We use essential cookies (authentication, your saved goals/stack) by default. With your permission we'll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more
A-F grade per outcome, combining overall evidence with goal-specific relevance. A = strong evidence; F = insufficient. Hover a badge for details.
Direct side-by-side from the meta-analysis. Each row is an outcome where ≥2 of your selected supplements have pooled data. Best effect per row highlighted.
| Outcome | Casein Protein | Whey Protein |
|---|---|---|
| Build strength & muscle — Lean Body Mass + better · kg | +1.4 weak · CI ∋ 0 | +1.0best weak |
35g
Before bed · with food (preferred)
Micellar Casein powder
30grams
Any time · with food (preferred)
Whey Protein Isolate
Overnight
2-4 weeks
4-8 hours
4-8 weeks
24-48 hours post-workout
Immediate
Like what you see? Add these to your stack.
See how they work together through biological pathways.
Build Your StackWant to compare more supplements?