SupplementWell-studiedProtein
Casein Protein
Half-life
Gastric emptying ~60-90 min
What is Casein Protein?
Slow-digesting milk protein. Provides sustained amino acid release over 4-6 hours.
How Casein Protein works
Casein forms a clot in the stomach, slowly releasing amino acids over hours — maintaining positive amino acid balance overnight and reducing protein breakdown.
Benefits & uses
- Sustained amino acid release
- Supports overnight recovery
- Anti-catabolic
- Satiety
Common uses: Overnight muscle protein synthesis, satiety, anti-catabolic support during fasting.
MuscleRecovery
Casein Protein dosage
- Typical dose
- 25–40 g before bed. Combine with a small fat source to further slow digestion.
Casein Protein half-life
Gastric emptying ~60-90 min (slow)
Casein Protein side effects
GI bloating in lactose-sensitive individuals. Avoid with dairy allergy.
- GI bloating (casein sensitivity)
- Lactose content — use isolate if intolerant
- Not suitable for dairy allergy
- Well tolerated
- GI upset if lactose-intolerant
