The Claim

Ashwagandha root extract administered at 300mg twice daily for 8 weeks produces a statistically significant improvement in maximal oxygen uptake (VO2 max) in healthy athletic adult populations compared to placebo, with significant differences observed both between groups and relative to baseline measurements.

Source: A double-blind, randomized, placebo-controlled trial on the effect of Ashwagandha (Withania somnifera Dunal.) root extract in improving cardiorespiratory endurance and recovery in healthy athletic adults.

What the research says

Supports is higher

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

Supports
47score
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

Taking ashwagandha root extract (300mg twice daily for 8 weeks) can help healthy athletes improve their VO2 max, which measures how well their body uses oxygen during exercise.

See the scientific wording

Ashwagandha root extract (300mg twice daily for 8 weeks) significantly improves maximal oxygen uptake (VO2 max) in healthy athletic adults compared to placebo, with statistically significant differences observed both between groups and from baseline measurements

What the research says

1 study

  1. Study: A double-blind, randomized, placebo-controlled trial on the effect of Ashwagandha (Withania somnifera Dunal.) root extract in improving cardiorespiratory endurance and recovery in healthy athletic adults.

    This study gave athletes 300mg of Ashwagandha root extract twice daily for 8 weeks and found their VO2 max improved significantly compared to those taking a placebo pill, exactly matching what the claim states.

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.