Goat Whey Protein
Whey from goat milk, marketed as a gentler dairy alternative. No trial has tested it for muscle or performance, and it is not a safe option for people with cow's milk protein allergy.
Evidence last reviewed: August 2026
What the science says
- No exercise or muscle trials exist Limited evidence
PubMed indexes no randomized trial of goat whey protein supplementation for strength, lean mass or recovery in humans. The entire sports-nutrition evidence base for whey comes from cow-derived product.
- Digestion differs only modestly from cow protein Limited evidence
A randomized crossover MRI trial in 18 healthy men found goat and cow milk casein emptied from the stomach at the same rate, with small differences in serum amino acid curves attributed to different coagulation behaviour.
- Goat milk protein is nutritionally adequate Moderate evidence
A randomized double-blind trial found infants grew comparably on goat milk formula and cow milk formula. This supports adequacy of the protein, not any advantage for adults.
Dosage & safety
Scientific references
- Gastric Digestion and Changes in Serum Amino Acid Concentrations after Consumption of Casein from Cow and Goat Milk: A Randomized Crossover Trial in Healthy Males
- Randomized, double-blind comparison of growth in infants receiving goat milk formula versus cow milk infant formula
- The bioactive potential of cheese whey peptides from different animal origins (bovine, goat, sheep, buffalo, and camel): A systematic review and meta-analysis
Where to buy
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Related in Physical performance
- Creatine (monohydrate) Strong evidence
- Whey Protein Strong evidence
- Caffeine Strong evidence
- Beta-Alanine Moderate evidence
- BCAA (Branched-Chain Amino Acids) Limited evidence
- EAA (Essential Amino Acids) Moderate evidence