The Claim

In the absence of resistance training, even with adequate protein intake (>1.6 g/kg/day), trained male futsal players do not experience significant gains in lean body mass or muscle thickness over an 8-week period, regardless of protein source.

Source: A Novel Plant-Based Protein Has Similar Effects Compared to Whey Protein on Body Composition, Strength, Power, and Aerobic Performance in Professional and Semi-Professional Futsal Players

What the research says

Supports is higher

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

Supports
81score
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

Trained male futsal players who do not do resistance training do not gain muscle or increase lean body mass over 8 weeks, even if they consume more than 1.6 grams of protein per kilogram of body weight daily, no matter what type of protein they eat.

See the scientific wording

In the absence of resistance training, even with adequate protein intake (>1.6 g/kg/day), trained male futsal players do not experience significant gains in lean body mass or muscle thickness over 8 weeks, regardless of protein source.

Why this might work

Without resistance training, muscle fibers do not experience enough force to trigger the signals that tell the body to build new muscle, even when plenty of protein is available. The body only uses protein to make muscle when it senses that the muscles are being stressed by heavy loads.

Verified mechanismbased on 1 study

What the research says

1 study
  1. Study: A Novel Plant-Based Protein Has Similar Effects Compared to Whey Protein on Body Composition, Strength, Power, and Aerobic Performance in Professional and Semi-Professional Futsal Players

    Even when futsal players ate plenty of protein, they didn’t get bigger or stronger muscles over 8 weeks — because they didn’t lift weights. Protein alone isn’t enough to build muscle without training.

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.