Cow’s Milk vs. Goat’s Milk Formula

Updated a month ago

Choosing between cow’s milk and goat’s milk formula can feel like a big decision — especially when your baby has a sensitive tummy, seems unsettled after feeds, or you simply want to understand the differences.

Both types of formula are designed to provide complete nutrition for babies at the appropriate stage. The right choice is not necessarily about which milk is “better,” but about which formula best suits your baby’s individual needs.

The short answer

Cow’s milk formula is the most widely used type of infant formula. It is familiar, widely available and comes in a broad range of organic, whole-milk, sensitive and specialist options.

Goat’s milk formula is a popular alternative for parents whose babies seem to find standard cow’s milk formula harder to digest. Goat’s milk naturally forms softer curds in the stomach and has a different protein and fat structure, which some babies may tolerate more comfortably.

Both can be excellent choices when they are age-appropriate and prepared correctly.

Cow’s milk vs. goat’s milk: the main differences

1. Protein structure

Both cow’s and goat’s milk contain whey and casein proteins. However, goat’s milk naturally contains less alpha S1 casein than standard cow’s milk.

When milk reaches the stomach, its proteins form curds. Goat’s milk generally forms softer, smaller curds, while cow’s milk often forms firmer curds. For some babies, softer curds may be easier to digest.

This is one reason why parents sometimes explore goat’s milk formula when their baby experiences mild gas, bloating or discomfort on a standard cow’s milk formula.

2. Fat structure

Goat’s milk naturally contains smaller fat globules than cow’s milk. It also contains a different balance of fatty acids, including more medium-chain fatty acids.

These differences may support easier digestion for some babies. However, both cow’s milk and goat’s milk formulas are carefully formulated to provide the fats babies need for healthy growth and development.

3. Lactose

Both cow’s milk and goat’s milk formula usually contain lactose. Goat’s milk formula is not lactose-free, so it is not suitable for babies with diagnosed lactose intolerance unless advised by a paediatrician.

Is goat’s milk formula better for sensitive tummies?

For some babies, it may be.

Goat’s milk formula is often chosen by parents whose babies seem to struggle with standard cow’s milk formula. The softer curds and different protein structure can make it a comfortable option for babies with mild digestive sensitivities.

However, every baby is different. Gas, reflux, constipation, crying and unsettled feeding can have many causes, and changing formula is not always the answer.

If your baby has persistent symptoms, poor weight gain, blood in the stool, severe eczema, repeated vomiting or a suspected allergy, contact your paediatrician before making a change.

Important: Goat’s milk formula is not automatically suitable for babies with a diagnosed cow’s milk protein allergy. The proteins are different, but they are still milk proteins and some babies may react to both.

Which one is right for your baby?

Cow’s milk formula may be the right choice if your baby is feeding comfortably, growing well and you want the widest selection of brands and specialist options.

Goat’s milk formula may be worth considering if your baby seems to have mild digestive discomfort on standard cow’s milk formula, or if you prefer the naturally different protein and fat structure of goat’s milk.

There is no universal “best” formula. The best formula is one that is suitable for your baby’s age, supports healthy growth and is well tolerated.

Choose cow’s milk formula if:

• Your baby is doing well on their current formula
• You want the broadest range of brands and specialist formulas
• You are looking for organic, biodynamic, whole-milk or A2 options
• Your baby may need a formula designed specifically for reflux, constipation or colic

Consider goat’s milk formula if:

• Your baby seems uncomfortable on standard cow’s milk formula
• You want a formula with naturally softer curds and a different protein structure
• You prefer a whole goat’s milk formula
• Your baby does not have a diagnosed milk allergy and your paediatrician agrees it is appropriate

Still not sure?

Our Formula Finder Quiz can help you narrow down the best formula options based on your baby’s age, sensitivities and your preferences.