Micellar Casein Protein
Forms a stomach gel for 6-8 hours of sustained amino acid release — ideal for overnight muscle recovery and anti-catabolism.
Casein is the predominant protein in milk, making up about 80% of its protein content. Unlike whey, casein forms a gel in the stomach that slows digestion, providing a sustained release of amino acids over 6-8 hours. This makes it particularly useful before bed to prevent muscle breakdown during the overnight fasting period. Research supports its effectiveness for muscle preservation and growth when combined with resistance training.
Forms a gel in stomach for 6-8 hour amino acid release
Prevents muscle breakdown during fasting periods
Extended muscle protein synthesis window
How Casein Protein works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
30-40g before bed
Loading: Not applicable; use as needed for protein goals
Can be taken without food
| Form | Type |
|---|---|
| 🧪Micellar Casein powder | Recommended |
| 💊Calcium Caseinate | Alternative |
| 💊Casein blends | Alternative |
Micellar casein is the slowest-digesting form. Calcium caseinate digests slightly faster. Texture is thicker than whey.
Minimum: 4 weeks
Optimal: 12 weeks
Cycling: Not required
Note: Best taken before bed for overnight recovery. For post-workout, whey is a better choice. Can be mixed with water, milk, or made into pudding.
Muscles repair while you sleep
Less muscle breakdown during dieting or fasting
Keeps you feeling full longer than whey
Too slow for immediate post-workout needs
Safe as a protein source; choose quality brands
Excellent for preventing overnight muscle loss; 40g recommended
Protein can reduce levodopa absorption; separate by 30+ minutes
Calcium in casein may reduce absorption; take separately
Calcium may reduce antibiotic absorption; separate by 2 hours
Tip: Start with smaller servings; ensure adequate hydration
Tip: May be related to lactose; try casein isolate
Top studies from 40+ peer-reviewed papers
Mohammadi S et al. • Nutrition journal (2023)
“The findings of this study suggest that supplementation with MP may improve glycemic control in adults by reducing the values of fasting insulin, FBG, and HOMA-IR.”
Dela Cruz J et al. • Nutrients (2021)
“A summary of the main findings shows limited to no effects on metabolism or appetite when ingesting 24-48 g of casein 30 min before sleep, but data are limited, and future research is needed to clarify the relationships observed.”
Snijders T et al. • Nutrients (2019)
“Pre-sleep casein protein ingestion augments muscle mass and strength gains during prolonged resistance training.”
Boirie Y et al. • Proceedings of the National Academy of Sciences (1997)
“[Small study, n=16] Casein induces a prolonged plateau of moderate hyperaminoacidemia, whereas whey induces a rapid and large increase in amino acids.”
Mohammadi S et al. • Inflammopharmacology (2025)
“This study revealed that MP supplementation may not have any considerable impacts on the levels of cytokines and adipokines.”
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