The Claim

In healthy young men, 5 days of carbohydrate supplementation with simple sugars increases resting skeletal muscle glycogen content, while an equivalent duration of creatine supplementation does not, suggesting that carbohydrate intake is a more potent direct regulator of muscle glycogen storage than creatine in the absence of exercise.

Source: Creatine supplementation does not affect human skeletal muscle glycogen content in the absence of prior exercise.

What the research says

Supports is higher

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

Supports
37score
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.

How it works
1 study reviewed
In plain English

If young, healthy guys take sugar supplements for 5 days, their muscles store more energy, but taking creatine doesn’t do the same — so sugar seems to fill up muscle fuel better than creatine when not working out.

See the scientific wording

In healthy young men, 5 days of carbohydrate supplementation with simple sugars increases resting skeletal muscle glycogen content, whereas an equivalent duration of creatine supplementation does not, indicating that carbohydrate intake is a more potent direct regulator of muscle glycogen storage than creatine in the absence of exercise.

What the research says

1 study
  1. Study: Creatine supplementation does not affect human skeletal muscle glycogen content in the absence of prior exercise.

    The study found that eating extra sugar for 5 days increased muscle fuel (glycogen) in men, but taking creatine did not—exactly what the claim says.

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.