Chapter 1: Understanding Social Influences, Planning Meals, and Shopping Smarter

By Constance Bell, MBA; Stavroula N. Antonopoulos, MS, RDN; Milad Hasankhani; MSc, Aimee Novak, trained chef

Introduction

Sustaining a healthy eating pattern, one of the goals of culinary medicine, requires ongoing access to nourishing food and strategies to obtain it within an individual’s or family’s resources (e.g., financial and time). Food can be obtained at many venues within a community and at different costs. Factors important to this accessibility include the social determinants of health (SDOH), food and nutrition security, food access, location, resources, and seasonality. This chapter examines the factors influencing food acquisition, paying attention to maximizing nutrient-dense food while minimizing the associated costs, including waste of finances, time, and food. In addition, we will look at how food management and access are related to food and nutrition security.

This chapter provides information on how to build a plan for locating and purchasing nutritious food that is responsive to individual and cultural preferences and sensitive to time available and financial resources. An effective plan starts with understanding individual nutrition needs and setting goals, then creating a list of foods that one enjoys based on these goals, needs, and preferences. A well-developed plan can help individuals and families locate and purchase the most nutritious food possible, given the money and time available to spend. The price of food is not necessarily indicative of its nutritional value, and sometimes spending more on a particular food is worthwhile, given the concentration of nutrients the food provides per unit cost.

Eating seasonally and buying locally grown food are helpful because locally grown food is often the most flavorful, the most nutritious, and typically the most economical. It is also helpful to seek out community programs such as community gardens, local food markets, and farms where one can purchase shares and receive regular packages of farm-fresh products. Freezing and canning local food in season are good methods to limit waste and preserve nutritional value in the long term.

Federal programs such as the Supplemental Nutrition Assistance Program (SNAP) are designed to supplement the grocery budgets of families from households with low incomes so they can afford the nutritious food essential to health and well-being. Many states offer the “Double Up Food Bucks” program that doubles the value of SNAP benefits at participating produce markets, helping people bring home more fresh fruits and vegetables while supporting local farmers. The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) aims to safeguard the health of women, infants, and children up to age 5 years who reside in households with low incomes. WIC provides support to those who are at risk of poor nutrition by providing nutritious foods to supplement diets, education and information on healthy eating, and referrals to health care.

Whether in the clinic or the community, culinary medicine incorporates culturally responsive and budget-conscious resources for increasing and sustaining an individual’s health and nutrition security.

Understanding Social Influences

Social determinants of health play a significant role in food planning and acquisition. Social determinants of health are defined as the surroundings where populations perform the routine pursuits of life (e.g., birth, day-to-day activities, schooling, employment, exercise, attending church, aging) that affect their well-being, welfare, and overall happiness. Social determinants of health focus on how non-medical factors influence a person’s physical condition. Certain populations may find it difficult to purchase nourishing food, especially households with reduced access to affordable and nutritious foods related to geographical location, or individuals with limited resources, or both.1

A related concept, food equity, is the expansive concept wherein all people should have the ability and opportunity to grow and consume healthful, affordable, and culturally significant foods. In an equitable food system, all community members can grow, procure, barter, trade, sell, dispose of, and understand the sources of food in a manner that prioritizes culture, equitable land access, fair and equitable prices and wages, human health, and ecological sustainability. Ecological sustainability is the concept that supports people living with respect for the Earth’s environment and their intent to create minimal impact on it. Food equity also requires that food systems be controlled by the wishes of the majority of people and that community stakeholders determine the policies that influence their food system.

Food equity is associated with food access, which goes hand in hand with food and nutrition security. For instance, low food and nutrition security indicates food inequity, which can be influenced by the SDOH, such as the challenge of long distances to a store when one has limited access to or no transportation. With these factors at play, it is more likely that food and nutrition security may be low, perpetuating food inequity. See chapter 11 for more information about the SDOH, food security, and health equity.

Effective food management and access to nutritious food are important determinants of nourishing and balanced eating patterns. This chapter examines the factors influencing food acquisition (e.g., SDOH, location, resources, seasonality)—with attention to maximizing nutrient-dense food while minimizing the associated costs, including waste of finances, time, and food. In addition, we will look at how food management and access are related to food and nutrition security.

Food security is having reliable access to enough affordable, nutritious food. Nutrition security is the means to consistent access, availability, and affordability of foods and beverages that promote well-being and prevent (and, if needed, treat) disease, particularly among racial/ethnic minority populations, historically lower-income populations, and rural and remote populations. Nutrition security builds on and complements efforts to address food security among all people but recognizes that not every person maintains an active, healthy lifestyle. Nutrition security also emphasizes the importance of using equity-sensitive approaches for populations that often are managing the co-existence of food insecurity and nutrition-related chronic diseases or illnesses that are influenced by dietary practices and nutrition. Enabling consumers to use food labels in meal planning to meet caloric and nutrient needs is also an important aspect of nutrition security.2

In the next section, meal planning is discussed, which aims to support the most nutritious, economical, and least wasteful methods of approaching shopping and food procurement. Also, we acknowledge the influences of food security and nutrition security as major factors in determining the level of quantity, quality, and nutritive value of that food.

Meal Planning

A lengthy store receipt sits atop groceries, including packaged tuna, canned mandarin oranges, instant coffee, and canned beans.
Figure 1.1. Groceries can be expensive, so try meal planning, shopping for items on sale, comparing pricing using units of weight and cost, and considering choosing store or generic brands to save money. “Shopping, Spending, Till Slip” by Steve Buissinne is licensed under a Pixabay License.

Nutrition and healthcare professionals often advise their patients and clients to optimize their eating habits to better manage their health. One way to promote healthier eating patterns is through a structured meal plan. Studies have shown that meal planning can lead to more nutritious food choices as well as improved dietary intake.1 Meal planning can save time, cut food costs, help manage weight, and reduce the stress of last-minute meal preparation. Meal planning can also aid in preventing unnecessary purchases, impulse buying, and overspending.

A meal planning template can be used to achieve nutritional goals and to reduce food waste.3-5 The elements of a meal plan include defined goals (e.g., improved health, improved athletic performance, specific dietary needs), caloric and nutritional needs, meal frequency, food choices, portion sizes, and preparation. Plan and create a grocery list based on the meal plan and recipes.3 Try new recipes to incorporate a variety of nutrient-dense foods.

Meal plan templates can vary (see the “Helpful MyPlate Tools for Meal Planning” text box), but it is common to see a weekly meal plan that outlines the foods and beverages that will be eaten each day. A meal planning template typically uses a calendar or list structure. The goal is to have an idea and plan for meals and snacks, but flexibility is key. Patients or clients should be encouraged to start small, gradually changing their eating habits over time. Suggest that patients or clients start by planning just a few meals each week and gradually increase that, sourcing additional resources and support as needed.

Note that registered dietitian nutritionists are qualified to create meal plans because they have extensive education and training in nutritional sciences, dietetics, medical history, and dietary practices. Laypersons can create meal plans for general well-being but may not have the robust education for more health- and condition-specific meal plans. Different regions of the United States may set other standards for dietitians, including education, practical experience, and qualifying exams.

Honoring Traditional, Cultural, and Ethnic Foods

NOTE: To better tailor your meal planning tips to your patients or clients, see chapter 12 for information on traditional, cultural, and ethnic food considerations. Learn more about eating patterns from around the world at Diets Around the World.

Nutritious Meal Planning

In the interactive activities throughout this chapter, select the > to read additional information and try the self-quizzes to test your knowledge:

 

Woman writing meal ideas on a weekly meal plan template.
Figure 1.2. Creating a weekly meal plan can help you focus on nutrient-dense foods and avoid impulse buys, food waste, and overspending. “A Woman Making a Meal Plan” by Yaroslav Shuraev is licensed under Pexels License.

Shopping Smarter

Now that we are acquainted with the process of meal planning, let’s be strategic in the acquisition of nutritious food. Next, we will look at where people typically get food and identifying features of each place.

Where Can I Access Food?

Grocery store displaying a variety of apples, peaches, and nectarines with large “Save” signs
Figure 1.3. Fresh produce is often located on the perimeter of a grocery store. Watch for sales. “Grocery, Shopping, Supermarket” by Steve Buissinne is licensed under a Pixabay License.

Food may be acquired from a variety of places, including the following:

  • Grocery stores primarily sell food and beverages along with limited household products.
  • Online shopping can be retailer-specific or accessed by online platforms and/or applications (apps). Local stores may offer delivery or curbside pickup of food ordered online. Online platforms and apps, such as Amazon Fresh and Instacart, serve as third-party intermediates, fulfilling orders for retailers and delivering purchases directly to customers. Reducing or eliminating the time spent on shopping is part of the appeal of online shopping; however, the tradeoff can be a lack of choice and an inability to self-select quality food.
  • Corner stores are like grocery or convenience stores except they are smaller and may also carry tobacco products, alcoholic beverages, prepared foods, and a limited produce selection.
  • Convenience stores are convenient to customers, typically in closer proximity, and open longer hours than food stores—even 24 hours. They carry a limited selection of necessities, such as packaged foods and drugstore items.
  • Farmers markets provide consumers with a seasonal array of agricultural products for direct purchase. Offerings may include fruits, vegetables, milk, cheese, and honey, among other products. Farmers markets eliminate intermediaries between farmers and consumers, thus supplying some of the freshest food items.6
  • Food banks provide donated food items at no cost to those in need. Food items typically consist of canned and packaged goods and, potentially, local produce, eggs, and other items from local farmers or organizations. Food banks can offer access to fresh, nutritious foods for those who might not otherwise have the resources to acquire them.7 For further information on food banks, watch this Food Banks video from Feeding America.
  • Community-supported agriculture (CSA) is an initiative that enables local buyers to prepay a sum to a farm, which then entitles them to receive recurring packages of the farm’s fresh products, including fruits, vegetables, eggs, meat, poultry, and more.8,9
  • Community gardens are where members of a community collaborate within a designated area to grow and maintain fresh fruits, vegetables, herbs, and flowers. These gardens provide fresh, locally cultivated produce, as well as opportunities for physical activity, healthier eating, community cohesiveness, education, and reduced family food budgets.8,9
  • Mobile markets bring more affordable, fresh food options to different neighborhoods without having a permanent infrastructure.7,10,11

Additional Resources in Your Community

Some colleges and universities may have student and community support resources such as food pantries. For example, the University of Arizona has a Student Basic Needs Coalition that sponsors a Campus Pantry to provide free food for students, faculty, staff, and the university community. Look in your community for similar opportunities.

Find local food by visiting these websites:

Tips for Healthier Shopping

  • Focus on purchasing fruits, vegetables (fresh or frozen), whole grains, plant-based proteins (e.g., beans), lean meats (e.g., chicken breast), and low-fat dairy products.5,10
  • Select minimally processed foods over those with added sugars, sodium, saturated fats, and trans fats. Look for food options with reduced or no added sugar or sodium.3,7
  • Read nutrition labels, being mindful of the serving size, calories per serving, and nutrition content.3,7 See the section Deciphering Food Labels for Nutrition for nutrition label information.
  • Shop the perimeter of the store, where fresh produce, meat, and poultry can often be found.
  • When shopping online, envision the store’s perimeter and choose items typically found there.

Access to Affordable, Nutritious Food

More Affordable, Nutritious Grocery Shopping Tips

Pricing Tips Price per item, per ounce (oz), or per pound (lb)

A shelf label at a grocery store showing product name (ReaLime lime juice), amount (8 fl oz), item price ($1.99), and unit price ($31.84 per gallon).]
Fig 1.4. A store shelf label shows unit pricing for a bottle of lime juice ($1.99 for 8 fl oz, or $31.84 per gallon). “Unit Price Tag” by Brian Herzog is licensed under CC BY-SA-NC.
  • Most stores have a shelf label that displays the price of the item and the cost per unit, as seen in Figure 1.4.
  • Items may be priced by the item or by the unit (e.g., 1 muffin), the ounce (oz), or by the pound (lb.). Vegetables, fruits, fresh meats, and bulk items are usually charged by the unit (pounds or ounces). Something premade or already packaged will typically be priced by the package.
  • Standardize the price per unit to effectively comparison shop. For example, an item that is $0.23/oz and another item that is $3.68/lb. are the same price ($0.23 × 16 oz = $3.68 for 16 oz, or 1 lb.).
  • In Fig. 1.4, calculate the price per oz ($1.99/12 oz = $.25). To compute price/gal, multiply the price/oz times oz/gal (128 oz/gal) ($.25 x 128 = $31.84 cost/gal).

Try Eating Seasonally and Locally

Consuming locally grown food is beneficial because of its freshness and nutritional density. Fruits and vegetables harvested at their peak ripeness and consumed closest to that time retain most of their moisture, nutrients, and freshness. When produce is picked at its peak, it contains higher concentrations of critical nutrients such as potassium, magnesium, phosphorus, and vitamins C and A.13,15 When foods are separated from their source of nutrients, they begin to lose moisture and quality, which can lead to microbial spoilage. Learn more about Health Benefits of Eating Locally and see the section Distance Traveled for more details.

Why Eat Seasonally?

Fresh produce including pears, grapes, peaches, tomatoes, and berries on tables at an outside market.
Figure 1.5. Explore seasonal and local foods, such as those found at farmers markets. “Farmers Market Produce” by Fremont Farmers’ Markets is licensed under CC BY.

Seasonal produce involves selecting foods that are freshly harvested and available during specific times of the year. Planning your meals based on the season’s offerings has numerous advantages, including:

  • Enhanced flavor and freshness: When harvested at its peak, seasonal food is typically at its ideal texture and taste. In contrast, out-of-season food may have been transported long distances or stored for extended periods, adversely affecting its freshness and taste.
  • Nutritional value: Fresh seasonal food contains optimal nutrients because it is customarily harvested closer to consumption. However, frozen and canned produce also have significant nutrients because they are picked at peak ripeness, processed almost immediately, and usually onsite. Because the quality of the vitamins and minerals in fresh fruits and vegetables tends to diminish over time, seasonal produce can be more nutritious than food not in season.
  • Cost savings: Seasonal food is, in many cases, often less expensive than out-of-season food because it spends less time in transit or storage for long periods. Additionally, the price can be more competitive when farmers or grocery stores have large quantities of fresh food items available. Frozen and canned produce can be the exception to that, because the shelf life of both is longer than that of fresh produce, it still retains nutrients and can be affordable.
  • Environmental benefits: Eating local and seasonal food helps reduce the carbon footprint of our food system by selecting items grown nearby, thus reducing the need for long-distance transportation. Transporting food over long distances demands a lot of fuel energy and produces greenhouse gas emissions.
  • Supports local agriculture: Purchasing locally grown food supports small businesses and helps keep agricultural land in use. This, in turn, strengthens local food systems, the local economy, and helps build a sense of community.

Videos With Tips About Fresh Produce

Here are tips to help you eat seasonally:

  • Know what’s in season: Determine what foods are available in your area and plan your meals accordingly. You can find this information by visiting local farmers markets, checking seasonal produce guides, or talking to local farmers. Also, check your local grocery ads.
  • Shop at farmers markets: Farmers markets are an excellent place to buy seasonal produce directly from local farmers. You’ll find a variety of fresh fruits and vegetables that are in season, and you’ll support local agriculture in the process.
Produce lying on a wood table with a CSA brochure.
Fig 1.6. This weekly community-supported agriculture (CSA) box contains lettuce, beets, carrots, broccoli, strawberries, herbs, and more. CSA Box Week of April 30 May 6” by Suzie’s Farm is licensed under CC BY-NC-ND.
  • Join a CSA program: A CSA program is a subscription service that curates fresh seasonal produce from local farms. As a CSA member, you will receive a regular supply of fresh, seasonal produce from local farms delivered to your home or made available for pickup at a centralized location.
  • Preserve seasonal foods: If you have an abundance of seasonal produce, consider preserving it for later use. You can freeze, can, or dehydrate fruits and vegetables to enjoy when they’re out of season. For more information on preserving fruits and vegetables, see chapter 2.
  • Get creative with recipes: Try new recipes that use seasonal ingredients. Be bold and select one or 2 new produce items to cook with each week. Experiment with different ways of cooking and preparing seasonal produce to discover new flavors and textures.
  • Be flexible: Be adaptable when eating food in season. Adjust your menu to what is available. If shopping locally for your produce is an option, be ready to swap out an ingredient if the market does not have what you’re looking for. Ask the farmers or vendors for suitable substitutes and advice on preparing and cooking the items. By doing so, you’ll be able to enjoy seasonal produce to the fullest while supporting your local community and the environment.

Distance Traveled

The average amount of time it takes for produce to reach its final destination can vary depending on several factors, including the type of produce, the distance it needs to travel, and the transportation method used.13 Generally, domestic produce may take anywhere from 1 to 7 days to reach its destination, and international produce can take much longer.13 For example, produce from Mexico or South America to the US Midwest may take anywhere from 5 to 14 days, depending on the transportation method used and any customs or inspection procedures required.

Transportation time is just one factor that can affect the quality and freshness of produce.13 Other factors—such as storage conditions, handling practices, and the age of the produce at the time of harvest—can also affect the quality and nutritional value of the final product.13

By the time produce reaches the table, nutrient degradation may occur, which refers to the process by which essential nutrients in food, such as vitamins, minerals, and macronutrients (carbohydrates, proteins, and fats) deteriorate or break down over time, resulting in a reduction of nutritional value. Nutrient degradation can occur due to various factors, including exposure to air, light, heat, moisture, cooking, and enzymatic reactions. As nutrients degrade, their bioavailability and effectiveness in providing essential components for the body’s functioning may diminish. It is important to store and handle food properly to minimize nutrient degradation and ensure that the nutritional value of the food is preserved for consumption. When nutrient degradation occurs, it is primarily driven by a reduction in water-soluble vitamins, including B vitamins and vitamin C. Once harvested, produce undergoes higher rates of respiration and moisture loss, further contributing to nutrient degradation.

Deciphering Food Labels for Nutrition

When navigating the food choices wherever one shops, there is an objective measure of a product’s nutritional value: the food label. Understanding food labels is vital. This section provides insight into these labels to enable the consumer to make informed, nutritionally sound decisions that align with nutrition goals. Whether one is a seasoned shopper or just beginning to be mindful of food choices, this section demystifies food labeling and nutrition facts, empowering health-conscious food selection.

Food Labeling

Understanding Food Labeling and Related Regulations

Food labeling is a crucial aspect of food production and marketing, providing health professionals and consumers with essential information about the food they consume. It is regulated by various authorities worldwide, with the US Food and Drug Administration (FDA) being the primary regulatory body in the United States. Understanding the ingredient list on food labels can be challenging, but it is a vital skill for health-conscious consumers and those advising them.14

 

Ingredients, Additives, and Colors

Food labeling involves providing detailed information about a food product on its packaging. This information typically includes the product’s name, ingredients, nutritional information, common allergens, manufacturer details, whether a product is organic or contains a genetically modified organism, and any relevant health claims. The ingredient label is mandated to list all components of the food product, including primary ingredients, fortifying nutrients, flavorings, sweeteners, and additives.

Certain ingredients may appear in various forms or derivations but have similar nutritional effects. For instance, sugars may be listed as corn syrup, agave nectar, or be listed by their chemical terminology (e.g., fructose). Manufacturers may use this nomenclature for marketing purposes. Regulatory standards mandate truthful disclosure of all ingredients.14,15

On food labels, ingredients are listed in descending order by weight. This means that the ingredient that weighs most is listed first, and the ingredient that weighs the least is listed last. If sugar or fat is listed as one of the first few ingredients, it means that the product is high in these items and so less likely to have high nutritional value. Conversely, if whole grains or other nutrient-dense ingredients are listed first, the product is likely to be a more nutritious choice.14

 

Exemptions from Nutrition Labeling Requirements

Although most food products are required to have nutrition labels, certain businesses and specific types of food are exempt from this requirement. These exemptions are based on various factors, such as the size of the business and the type of food product. Raw fruits, vegetables, fish, and single-ingredient meats are exempt from labeling requirements. Additionally, foods served or sold in bulk or prepared on-site by delis and bakeries are not required to have information labels.

Even if a food product is exempt from nutrition labeling requirements, it is still subject to other food labeling regulations, wherein the product’s name and ingredients must still be accurately represented on the label.14,15

 

Allergen Information

Allergen information is mandated to be clearly and obviously placed beneath the ingredient label. In the United States, food labels are required to identify the top 9 major allergens: milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soybeans, and sesame. Potential cross-contact with allergens must also be disclosed. Food allergens can be listed on labels under different names or aliases. It’s important to recognize these alternate names to avoid accidental exposure to allergens. Table 1.1 lists some common aliases for various food allergens.16,17

Table 1.1. Food Label Allergens

Allergen Aliases16,17
Eggs Albumin, globulin, lecithin, livetin, lysozyme, ovalbumin, ovoglobulin, ovomucin, ovomucoid, ovotransferrin, ovovitellin, Simplesse
Fish Anchovy, bass, catfish, cod, flounder, grouper, haddock, hake, halibut, mahi-mahi, perch, pike, pollock, salmon, sole, snapper, swordfish, tilapia, trout, tuna
Peanuts Arachis oil, beer nuts, ground nuts, mandelonas, nut meat, nut pieces, peanut butter, peanut flour
Shellfish Abalone, clams, crab, crawfish, krill, lobster, mussels, oysters, prawns, scallops, shrimp, squid
Soy Edamame, miso, natto, shoyu, soy albumin, soy concentrate, soy fiber, soy formula, soy grits, soy milk, soy nuts, soy protein, soy sauce, soy sprouts, tamari, tempeh, textured vegetable protein, tofu
Tree nuts Almonds, Brazil nuts, cashews, chestnuts, filberts/hazelnuts, hickory nuts, macadamia nuts, marzipan/almond paste, nougat, pecans, pine nuts/pignolias, pistachios, walnuts
Wheat Bran, bread crumbs, bulgur, cereal extract, club wheat, couscous, cracker meal, durum, einkorn, emmer, farina, flour (all-purpose, bread, cake, durum, enriched, graham, high-gluten, high-protein, instant, pastry, self-rising, soft wheat, steel ground, stone ground, whole wheat), gluten, hydrolyzed wheat protein, Kamut, matzoh, matzoh meal (also spelled matzo, matzah, or matza), pasta, seitan, semolina, spelt, sprouted wheat, triticale, vital wheat gluten, wheat (berries, bran, durum, germ, gluten, grass, malt, sprouts, starch), wheat bran hydrolysate, wheat germ oil, wheat grass, wheat protein isolate, whole wheat berries
Sesame Benne, benne seed, benniseed, gingelly, gingelly oil, halvah, sesame flour, sesame oil, sesame paste, sesame salt (gomashio), sesame seed, sesamol, Sesamum indicum, simsim, tahini, tehina, til

The Nutrition Facts Label and Nutritional Density

Graphic shows a Nutrition Facts label with changes explained, including larger, bolder type for calories and servings, the inclusion of added sugars, and actual amounts of nutrients (not just percentages).
Fig 1.7. This graphic highlights changes to the Nutrition Facts label, including larger type, updated serving sizes and Daily Values, and the listing of added sugars. “Changes to the Nutrition Facts Label” by the US Food and Drug Administration is in the public domain.

The Nutrition Facts Label

In recent years, the Nutrition Facts label on food packaging has undergone substantial changes to make it more informative and easier to understand. Some key changes include larger font size for calories, serving sizes updated to reflect the amounts people typically consume, and the addition of the term “added sugars” to help consumers distinguish between added sugars and naturally occurring sugars.18,19

Serving Size, Servings Per Container, and Portion Size

In the United States, a serving size is a reference amount of food, as defined by the FDA, that helps consumers understand the nutritional content of a certain quantity of food. A serving is a measured portion of food or drink.

The number of servings per package must be based on the serving size of the product. For example, if the serving size of quinoa is 1 cup and a package contains 4 cups, then the number of servings per container is 4.20 In contrast, portion size is the amount of food that a typical consumer would choose to eat for a meal or a snack, which can be larger or smaller than the FDA standard serving sizes.20 For example, if you chose to eat 2 cups of quinoa, your portion size would be 2 cups even though the indicated serving size is 1 cup.20

Understanding these terms can help you make more nutritious food choices. For instance, you might think a small package of quinoa is 1 serving, but if the label says it contains 4 servings, that equals 4 times the calories, protein, fiber, and other nutrients listed on the label.

What Is Percent Daily Value and How Is It Calculated?

The term Percent Daily Value (%DV) on food labels is a guide to the nutrients in 1 serving of food. The %DV is based on the recommended daily intake of a nutrient, which is the amount of a nutrient the average person needs each day.21 This information can help you determine if a serving of food is high or low in a particular nutrient.21

The %DV is calculated based on a 2,000-calorie/day eating pattern for adults and children aged 4 years or older; however, your needs may be more or less depending on your age, sex, weight, and physical activity level.21

 

Here is how it works:

  • Identify the nutrient: The nutrient content of the food is determined through laboratory analysis or by using a database of nutrient composition values for foods.21
  • Determine the %DV: The %DV is calculated by dividing the amount of a nutrient in a serving of the food by the recommended daily intake for that nutrient, then multiplying by 100.22

For example, if a food has 3 g of fiber per serving and the daily recommended intake for fiber is 25 g, the %DV for fiber would be (3 ÷ 25) × 100 = 12%. So, one serving of this food provides 12% of the daily recommended intake of fiber.22

Table 1.2 lists the reference values that are used to calculate the %DV on the Nutrition Facts label.21 Note, however, that the recommended intake for a nutrient can vary for each person. Generally, a nutrient amount per serving that is 5% DV or less is deemed low, and a nutrient amount per serving that is 20% DV or more is deemed high.

Table 1.2. The Percent Daily Value Calculation on the Nutrition Facts Label21

Nutrient Current Daily Value Nutrient Current Daily Value
Added sugars 50 g Phosphorus 1,250 mg
Biotin 30 mcg Potassium 4,700 mg
Calcium 1,300 mg Protein 50 g
Chloride 2,300 mg Riboflavin 1.3 mg
Choline 550 mg Saturated fat 20 g
Cholesterol 300 mg Selenium 55 mcg
Chromium 35 mcg Sodium 2,300 mg
Copper 0.9 mg Thiamin 1.2 mg
Dietary fiber 28 g Total carbohydrate 275 g
Fat 78 g Vitamin A 900 mcg RAE
Folate/folic acid 400 mcg DFE Vitamin B6 1.7 mg
Iodine 150 mcg Vitamin B12 2.4 mcg
Iron 18 mg Vitamin C 90 mg
Magnesium 420 mg Vitamin D 20 mcg
Manganese 2.3 mg Vitamin E 15 mg α-tocopherol
Molybdenum 45 mcg Vitamin K 120 mcg
Niacin 16 mg NE Zinc 11 mg
Pantothenic acid 5 mg
Abbreviations: DFE = dietary folate equivalents; g = gram; IU = international unit; mcg = microgram; mg = milligram, NE = niacin equivalents; RAE = retinol activity equivalents.

The %DV helps the consumer understand the nutrient content of a serving of food in the context of a total daily diet.20 Knowing the %DV can help when making dietary choices that can lower the risk of chronic diseases such as heart disease, cancer, or osteoporosis.20

Note, however, that the %DV does not indicate how much of a nutrient is in a serving of food. It indicates the percentage of the recommended daily intake contained in that serving of food.20 If a food has a %DV of 20% for calcium, it does not mean you are getting 20% of your daily calcium from that food. It means you’re getting 20% of the recommended daily intake for calcium.22

Using the Nutrition Facts Label and MyPlate

The FDA’s MyPlate is a visual guide that helps you create balanced meals based on the 5 food groups.22 The Nutrition Facts label and MyPlate can be used together to make more nutritious food choices that align with your nutritional needs and goals.22

A round plate is divided into 4 quadrants, half with fruits and vegetables, and half with protein and grains. Dairy is represented in a smaller cup.
Figure 1.8. MyPlate replaced the Food Guide Pyramid. Make half your plate fruits and vegetables. A quarter of your plate should be whole grains. The amount of protein foods you need depends on your age, sex, height, weight, physical activity, and whether you are pregnant or breastfeeding. MyPlate.gov by US Department of Agriculture is in the public domain.

Key Takeaways

  • Make a meal plan and create a grocery list that includes an inventory of what you have to help plan nutritious and cost-effective meals. Use a meal planning template to balance meals, maximize nutritional choices, stay within budget, avoid over- or impulse spending, and minimize food waste.
  • Shopping can be at grocery stores, online, corner or convenience stores, farmers markets, food pantries/banks, CSAs, and community gardens.
  • Social determinants of health have an influence on food equity, food and nutrition security, as well as food access. Thus, the ways of acquiring food depend on SDOH.
  • Shop for items on sale, compare pricing using units of weight and cost, and choose store or generic brands to save money. Consider buying in bulk.
  • Explore seasonal and local foods because they can be fresher and more flavorful. Produce harvested nearer to you has optimal nutrient composition, but produce can be sourced domestically and internationally, depending on the season and availability. Also consider the value of frozen or canned produce, which is often picked at its peak and packaged close to where it is harvested.
  • Understand food labeling on the package and its information, including ingredients, nutritional content, and potential allergens. The Nutrition Facts label provides information about the nutritional content of food, including serving sizes, %DV, and other key nutrients. Refer to MyPlate for balanced nutrition guidance.

 

References

  1. Lindstrom KN, Tucker JA, McVay M. Nudges and choice architecture to promote healthy food purchases in adults: a systematized review. Psychol Addict Behav. 2023;37(1):87–103. doi:10.1037/adb0000892
  2. Food and nutrition security. US Department of Agriculture. Accessed October 22, 2024. https://www.usda.gov/about-usda/general-information/priorities/food-and-nutrition-security
  3. Make a plan. US Department of Agriculture. Accessed October 22, 2024. https://www.myplate.gov/eat-healthy/healthy-eating-budget/make-plan
  4. More key topics. US Department of Agriculture. Accessed October 22, 2024. https://www.myplate.gov/eat-healthy/more-key-topics
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