causal
Analysis v1
Strong Opposition
Most of the studies in this review didn’t give the same amount of protein to people in the exercise group and the control group, so it’s probably not when they drank their protein shake that made them grow muscle—it’s just that they ate more protein overall.
0
67
Evidence from Studies
Supporting (0)
0
Community contributions welcome
No supporting evidence found
Contradicting (1)
67
Community contributions welcome
67
The effect of protein timing on muscle strength and hypertrophy: a meta-analysis
Systematic Review With Meta-Analysis
Human
2013 Dec 3This study found that when people get enough protein overall, it doesn’t matter when they drink it—before or after workouts. So the idea that timing matters is wrong; what really counts is just getting enough protein.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.