Taking 600mg of ashwagandha root extract every day while doing weight training for 8 weeks makes your heart and lungs work better - men improved their endurance by about 9.5% and women by about 7%, compared to people who took a dummy pill instead.

61

Pro

0

Against

Evidence from Studies

Supporting (1)

61

Community contributions welcome

61

Effects of Ashwagandha ( Withania somnifera) standardized root extract on physical endurance and VO 2max in healthy adults performing resistance training: An eight-week, prospective, randomized, double-blind, placebo-controlled study

Randomized Controlled Trial

Human

2023

This study tested exactly what the claim says - 600mg of Ashwagandha root extract daily for 8 weeks during resistance training. It found that the supplement significantly improved endurance (VO2max) in both men and women compared to placebo, with very strong statistical evidence (p<0.0001).

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Effects of Ashwagandha ( Withania somnifera) standardized root extract on physical endurance and VO 2max in healthy adults performing resistance training: An eight-week, prospective, randomized, double-blind, placebo-controlled study

Score: 61

DOI: 10.12688/f1000research.130932.2

Similar Assertions

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.

47

0

85%

Taking 600mg of Ashwagandha root extract every day while doing strength training helps people build more lower body muscle strength than just doing strength training with a fake pill (placebo). Men got about twice the benefit as women in the study.

61

0

82%

Taking ashwagandha supplements (an herb used in traditional medicine) every day for about 2 months might help people exercise longer without getting as tired by improving how efficiently their body uses oxygen during physical activity.

61

81%

Taking ashwagandha root extract while doing resistance training for 8 weeks helps people build more upper body strength, with bigger improvements in women than in men.

61

0

80%

Taking a specific ashwagandha supplement called KSM-66 at 300-600mg every day for about 2 months can change how strong you are, how long you can exercise, and your stress hormone levels.

68

0

78%