The Claim

The timing of protein intake within one hour before or after resistance training does not significantly enhance muscle strength or hypertrophy beyond the effects of adequate total daily protein intake, thereby refuting the existence of a narrow anabolic window for protein.

Source: The effect of protein timing on muscle strength and hypertrophy: a meta-analysis

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
67score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
1 study reviewed
In plain English

Eating protein right before or after your workout doesn't give you extra muscle gains if you're already getting enough protein throughout the day—so you don't need to rush your shake right after lifting.

See the scientific wording

The timing of protein intake within 1 hour before or after resistance training does not significantly enhance muscle strength or hypertrophy beyond what is achieved by adequate total daily protein intake, refuting the existence of a narrow anabolic window for protein.

What the research says

1 study
  1. Study: The effect of protein timing on muscle strength and hypertrophy: a meta-analysis

    This study looked at whether drinking protein shakes right before or after working out makes you stronger or bigger, and found it doesn’t matter as long as you get enough protein throughout the day. So, no need to rush your shake right after the gym.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.