Ashwagandha vs Creatine
for energy / fatigue
Stronger evidence: Ashwagandha
Stronger effect: Ashwagandha
Safety: Ashwagandha carries a moderate interaction; Creatine has none recorded.
For energy / fatigue, Ashwagandha has the stronger evidence grade.
Ashwagandha
grade B moderate certainty
Ashwagandha supplementation was more efficacious than placebo for improving fatigue/recovery variables in healthy individuals.
Creatine
grade C low certainty
may reduce mental fatigue, especially under sleep deprivation or stress
3–5 g/day, adults
sources: PMID:33670194 · PMID:20000106