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You may have received the message in the media that we should all be drinking whole-fat dairy. What do nutrition experts say? Let’s look at the differences and the current recommendations.
Difference between the Different Types of Milk
When you’re in the dairy aisle and deciding between nonfat, 2%, low-fat or whole milk, it can be challenging to know which option to choose for you. Milk is not a one-size-fits-all food category, and with contradictory statements about which option is better, you might be trying to decide what’s best for you or your family.
What are the different types of dairy milk options?
The nutritional differences between milk types are exclusively in the fat content, which plays a big role in total calories. Micronutrients such as vitamins and minerals do not vary significantly and, in many cases, are fortified with vitamins D and A.
Comparison of Types of Milk (8 ounces)
Whole or full-fat milk: 150 calories, 8 grams (g) fat, 5 g saturated fat
Reduced-fat milk (2%): 120 calories, 5 g fat, 3 g saturated fat
Low-fat milk (1%): 100 calories, 2 g fat, 1 g saturated fat
Nonfat (Skim): 80 calories, 0 g fat, 0 g saturated fat
Current Recommendations for Infants, Toddlers and Children
Guidelines from the Academy of Nutrition and Dietetics emphasize that milk recommendations depend on a child’s age and developmental stage. For infants under 12 months, only breastmilk and/or infant formula are recommended, as cow’s milk is not suitable due to its high protein and mineral content and the risk of digestive and other health issues.
At about 12 months, whole (full-fat) milk can be safely introduced to support growth and provide adequate calories. If full-fat milk is not appropriate, fortified alternatives may be used. By 24 months, most toddlers can transition to low-fat or nonfat milk, although some children who need additional calories may benefit from continuing whole milk under the guidance of a health care provider.
Milk is not the only source of dairy recommended for children. For those aged 2 to 12, about 1 ⅔ to 2 cups of dairy per day is advised, including yogurt, cheese, fortified soy beverages and soy-based yogurts. Among plant-based options, fortified soy beverages are the only alternatives considered nutritionally comparable to dairy milk for children. Because nutrient content can vary between products, be sure to check nutrition labels when choosing dairy alternatives.
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Infants under 12 months: Breast milk and formula exclusively
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Babies between 12 and 23 months: Whole milk is recommended
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Babies over 23 months: Low-fat or non-fat fortified milk are recommended
Why Do Whole Milk Recommendations Change After the Age of 23 Months?
Nutrition recommendations from credible sources are based on strong evidence about children’s growth and development. The first two years of life are especially critical for physical, cognitive and motor development, and poor nutrition during this time can lead to issues such as stunted growth, low weight or developmental delays.
For children ages 12-23 months, milk is an important source of calories and nutrients. After this stage, as diets become more varied with solid foods, children typically need fewer calories, which is why recommendations shift from whole milk to low-fat or nonfat options while still maintaining important nutrients.
When choosing milk, it’s best to follow guidance from trusted sources like the Academy of Nutrition and Dietetics or the American Academy of Pediatrics. For specific concerns — especially for children under 12 — consult a health care provider. Overall, milk remains a valuable part of many diets, and choosing the right option doesn’t have to be complicated.
References:
CDC. (2025, April 30). Cow’s Milk and Milk Alternatives. Infant and Toddler Nutrition. https://www.cdc.gov/infant-toddler-nutrition/foods-and-drinks/cows-milk-and-milk-alternatives.html
Cleveland Clinic. (2023, March 27). Developmental Delay in Children: Symptoms, Causes & Outlook. Cleveland Clinic: Diseases & Conditions. https://my.clevelandclinic.org/health/diseases/14814-developmental-delay-in-children
Miavitz, J. (2026, March 27). Whole Milk vs. Low-Fat Milk: Which Is Healthier? University Hospital. https://www.uhhospitals.org/blog/articles/2026/02/whole-milk-vs-low-fat-milk-which-is-healthier
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