Reading Labels on Plant Milks

The name on the carton is not the nutrition

Plant drinks made from almonds, oats, soy, coconut, rice, and other plants are sold for pouring, cooking, and coffee. They are not interchangeable. FDA explains that the nutrient profile of a plant-based milk alternative depends on the plant, the processing, and the added ingredients. Two cartons with the word milk on the front can differ in protein, calcium, added sugars, and what was used to thicken them. The comparable information is the Nutrition Facts label and the ingredient list, read for the same serving size.

The Dietary Guidelines for Americans, 2020–2025, include fortified soy beverages and soy yogurt in the dairy group because their nutrient profile is similar to dairy. Other plant-based drinks are not given that place in the Guidelines. That is a classification, not a verdict on what you should pour. It is a reason to notice when a recipe or a chart says dairy or fortified soy, and when it merely says plant milk. Our breakfast guide uses unsweetened plant milk as a cooking ingredient and points back here for the label.

Start with the serving size

FDA's guide to the Nutrition Facts label says the serving size reflects what people typically consume and that every nutrient number on the label, including calories, refers to that serving. It is not a recommendation of how much you must drink. If you pour twice the serving into a smoothie, you get twice the amounts listed. Compare cartons only when you are looking at similar serving sizes. A cup on one label and a smaller cup on another will make a casual glance misleading.

Then look at added sugars, protein, calcium, vitamin D, and potassium, because those are the lines that change the most between products and the lines FDA highlights for shoppers comparing plant-based milk alternatives with milk. Saturated fat is on the label too. FDA's general guide says 5% Daily Value or less of a nutrient per serving is low and 20% Daily Value or more is high. Use that scale to see whether a carton is a low or high source of added sugars or calcium, instead of trusting a front-of-pack word like light.

Protein and fortification are label facts

Protein on these cartons ranges widely. FDA notes that a percent Daily Value for protein is not always required on foods for the general population unless a protein claim is made. Read the grams if the percent is absent. Calcium, vitamin D, and potassium do carry a percent Daily Value when they are declared. A fortified carton will show those nutrients because they were added. An unfortified carton may show little or none. Neither fact tells you that the drink is an alkaline product, and this site does not score plant milks by pH.

Ingredient lists show the thickeners, salts, flavors, and sweeteners. If you are cooking a savory soup, a vanilla carton or a sweetened one will taste wrong even if the front of the package looks plain. The warm cinnamon quinoa breakfast bowl calls for unsweetened almond milk so the cinnamon and fruit remain the flavors. Use another unsweetened carton if that is what you have, and expect the taste to change. For a checked nutrient number rather than the carton label, the FoodData Central note explains the difference between a branded record and a generic food.

What FDA has said about the word milk

In February 2023, FDA issued draft guidance on labeling plant-based milk alternatives. The agency's page on these products says common names such as soy milk and almond milk have been established by common usage, and the draft guidance recommends a voluntary nutrient statement when a product uses the word milk and its nutrient composition differs from milk. Draft guidance is FDA's current thinking. FDA says guidance documents are recommendations unless a specific law or regulation is cited. You do not need the draft guidance to shop. You need the label on the carton in your hand.

FDA's consumer update quotes the practical questions a shopper can ask: whether the product is fortified with nutrients such as calcium, how much added sugar it contains, and what the protein content is. Those three questions are enough for a cooking kitchen. We are not ranking brands. We are not telling you to switch away from dairy if you drink it. We are saying that if a recipe on this site says unsweetened plant milk, the unsweetened part is doing real work, and the plant source will change both flavor and the numbers on the label.

A two-carton comparison you can do in the aisle

Hold two cartons you might actually buy. Check that the serving sizes are close. Compare added sugars, protein grams, and the percent Daily Value for calcium. Glance at the ingredient list for sweeteners and flavors. Put back the one that does not match how you will use it this week. That is the whole method. You do not need an app, and you do not need a pH strip. If a clinician or dietitian has told you to look for a specific nutrient, follow that personal advice and use the label as the tool it is.

Store the carton as the package says, and finish it within the time the date and your refrigerator allow. A plant milk is a perishable ingredient once it is open. It is also optional. Water, dairy milk, or a spoon of yogurt you already use can play the liquid role in many home recipes. The breakfast recipes are written one way. Your kitchen can pour another, as long as you know what the carton contains.

Medical disclaimer

Medical disclaimer: reading a plant-milk label is general education about packaged foods. This article does not provide medical advice, diagnosis, or treatment, and it does not claim that any beverage prevents, treats, or cures any disease or condition. Alkaline is a lifestyle and recipe label on this site, not a description of these drinks. See the disclaimer and ask a clinician or registered dietitian about your own nutrient needs.

Sources

U.S. Food and Drug Administration. Plant-Based Milk and Animal Food Alternatives. https://www.fda.gov/food/nutrition-food-labeling-and-critical-foods/plant-based-milk-and-animal-food-alternatives

U.S. Food and Drug Administration. How to Understand and Use the Nutrition Facts Label. Serving size and the general 5% / 20% Daily Value guide in the plant-milk note are explained here: https://www.fda.gov/food/nutrition-facts-label/how-understand-and-use-nutrition-facts-label

U.S. Food and Drug Administration. Added Sugars on the Nutrition Facts Label. The 50-gram Daily Value and the definition of added sugars in the plant-milk note come from this page: https://www.fda.gov/food/nutrition-facts-label/added-sugars-nutrition-facts-label

U.S. Food and Drug Administration. Milk and Plant-Based Milk Alternatives: Know the Nutrient Difference. https://www.fda.gov/consumers/consumer-updates/milk-and-plant-based-milk-alternatives-know-nutrient-difference

U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary Guidelines for Americans, 2020–2025. Cited in the plant-milk note because fortified soy beverages are included in the dairy group: https://www.dietaryguidelines.gov/sites/default/files/2021-03/Dietary_Guidelines_for_Americans-2020-2025.pdf