Introducing Dairy to Babies: What's Safe and When

Babies can safely eat dairy foods like plain whole-milk yogurt and pasteurized cheese starting at 6 months, as soon as solid foods are introduced. However, cow's milk as a drink should not replace breast milk or formula before 12 months. The distinction matters — dairy foods are excellent for babies, but the beverage form of cow's milk is not appropriate in the first year.

The Key Rule: Foods vs. Drinks

This is the most important thing to understand about dairy and babies. The AAP's guidance makes a clear distinction:

• Dairy foods (yogurt, cheese, butter, small amounts of cow's milk as an ingredient in cooking) — Safe from 6 months
• Cow's milk as a main drink — Not before 12 months

Why the difference? Cow's milk as a beverage is high in protein and minerals that can overload a young baby's kidneys. It also lacks sufficient iron and vitamin E, and can cause microscopic intestinal bleeding in babies under 12 months. Formula and breast milk are designed to meet all of a baby's nutritional needs during the first year — cow's milk is not.

Dairy Foods Safe from 6 Months

Yogurt

Plain, whole-milk yogurt is one of the best first dairy foods for babies. It's easy to digest because the lactose has been partially broken down by live bacterial cultures. Benefits include:

• Excellent source of calcium and phosphorus for bone development
• Contains probiotics that support gut health
• High in protein for muscle development
• Creamy texture that's easy for babies to eat

How to serve: Start with 1–2 teaspoons. Offer plain and unflavored. You can mix in pureed fruit (mashed banana, pureed mango) for natural sweetness. Choose full-fat versions — babies need the fat for brain development.

What to avoid: Flavored yogurts with added sugar, low-fat or non-fat varieties, and yogurts with artificial sweeteners.

Cheese

Pasteurized cheese is safe from 6 months and is a fantastic source of calcium, protein, and fat. Good options include:

• Mild cheddar — Soft enough to grate or crumble; easy to melt over vegetables
• Mozzarella — Mild flavor, soft texture when shredded
• Cream cheese — Easily spread on soft toast fingers or mixed into purees
• Ricotta — Very soft, mixes well with both sweet and savory purees
• Cottage cheese — High in protein; mash or blend for younger babies

What to avoid: Unpasteurized (raw) cheeses, which carry a risk of Listeria. Also avoid processed cheese slices or spreads that are high in sodium. Hard cheeses can be a choking hazard if given in large chunks — always grate, crumble, or cut into very small pieces.

Butter

Unsalted butter is safe to use as an ingredient in cooking from 6 months. It provides healthy saturated fat that supports brain development. Use it to cook vegetables or mash into sweet potato puree.

Cow's Milk as an Ingredient

Small amounts of cow's milk used in cooking — such as in a homemade porridge, mashed potato, or scrambled eggs — is perfectly fine from 6 months. The volume is small and the milk is combined with other foods, so it doesn't displace breast milk or formula the way a full cup of milk as a drink would.

When to Introduce Cow's Milk as a Drink

At 12 months, you can begin transitioning to whole cow's milk as a drink. The AAP recommends whole milk (not reduced-fat) until age 2, as the fat supports brain and nervous system development. Aim for no more than 16–24 oz (2–3 cups) of milk per day — more than this can reduce appetite for solid foods and limit iron intake.

If you're breastfeeding, there's no need to switch to cow's milk at 12 months. You can continue breastfeeding alongside a varied solid food diet for as long as it works for you and your baby, per both AAP and WHO recommendations.

Dairy Allergy vs. Lactose Intolerance

These are two different conditions that parents often confuse:

Cow's Milk Protein Allergy (CMPA)

This is an immune response to the proteins in cow's milk (casein and whey). It affects about 2–3% of babies. Symptoms can include:

• Hives or skin rash
• Vomiting or diarrhea
• Blood or mucus in stool
• Excessive crying and irritability (especially after feeds)
• Eczema that worsens after dairy exposure
• In severe cases: difficulty breathing (anaphylaxis)

If you suspect CMPA, stop dairy and consult your pediatrician. Diagnosis typically involves an elimination diet and possible allergy testing. Many babies outgrow CMPA by age 3–5.

Lactose Intolerance

True lactose intolerance is extremely rare in babies and young children. Most babies produce plenty of lactase (the enzyme that digests lactose). What parents sometimes mistake for lactose intolerance is often CMPA or normal digestive adjustment. Do not eliminate dairy without consulting your pediatrician.

Dairy Introduction Schedule

• 6 months: Plain whole-milk yogurt, mild pasteurized cheese, small amounts of butter or cow's milk as a cooking ingredient
• 8 months: Continue above; try cottage cheese, ricotta, cream cheese on soft toast
• 10 months: Grated cheese melted over soft-cooked vegetables; yogurt with mixed-in pureed fruit
• 12 months: Transition to whole cow's milk as a drink (up to 16–24 oz/day); continue all dairy foods
• 12–24 months: Continue whole milk; do not switch to reduced-fat milk before age 2

How Much Dairy for Babies?

For babies 6–12 months on solid foods, aim for 1–2 servings of dairy foods per day. A serving is approximately:

• 2–4 tablespoons of yogurt
• 1 oz (28g) of cheese
• 2–4 tablespoons of cottage cheese

Remember that breast milk and formula remain the primary source of nutrition until 12 months. Dairy foods at this stage supplement — they don't replace — milk feeds.

Frequently Asked Questions

When can babies have yogurt?

Plain, whole-milk yogurt is safe from 6 months. Choose unsweetened, full-fat yogurt. Avoid flavored yogurts with added sugar.

When can babies drink cow's milk?

Cow's milk should not be given as a main drink before 12 months. Dairy foods like yogurt and cheese are fine from 6 months.

What type of yogurt is best for babies?

Plain, full-fat yogurt is best. Greek yogurt (plain, full-fat) is also excellent, with extra protein. Avoid low-fat or flavored varieties with added sugar.

What are signs of a dairy allergy in babies?

Signs include hives, vomiting, diarrhea, blood in stool, excessive fussiness, and in severe cases, difficulty breathing. Contact your pediatrician if you notice any of these signs.

Can babies eat cheese?

Yes. Pasteurized cheese is safe from 6 months. Good choices include mild cheddar, mozzarella, and cream cheese. Always grate or crumble to reduce choking risk.

For more guidance on starting solids, see our guides on best first foods for baby and calcium-rich foods for babies.

This article is for informational purposes only and does not constitute medical advice. Always consult your pediatrician before introducing new foods. Sources: AAP HealthyChildren.org, CDC Infant and Toddler Nutrition.