NUTRITION
Protein Timing: What the Latest Research Actually Says
Dr. Sophia Laurent
Registered Dietitian · Sports Nutrition Specialist
April 8, 2026
6 min read
The anabolic window debate has evolved significantly. Here's what current evidence tells us about when — and how much — protein matters.
For years, the fitness industry obsessed over the "anabolic window" — the idea that protein consumed within 30 minutes post-workout was critical for muscle growth. The latest meta-analyses tell a more nuanced story. Total daily protein intake remains the primary driver of muscle protein synthesis, with timing playing a secondary but still meaningful role for advanced athletes.
ABOUT THE AUTHOR
Dr. Sophia Laurent
Registered Dietitian · Sports Nutrition Specialist
A senior educator at Vitalis Lab with over a decade of applied experience in sports science, coaching, and professional certification development.
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