Magnesium vs Ashwagandha

for stress

Stronger evidence: tie

Stronger effect: Magnesium

Safety: Ashwagandha has the more serious interaction profile (minor vs moderate).

For stress, the two are evidence-matched; the difference is in effect and safety.

Magnesium

grade C low certainty

may modestly reduce subjective anxiety/stress, esp. in deficiency

200–400 mg, adults

Ashwagandha

grade C low certainty

small reduction in perceived stress in short trials

sources: PMID:20000101 · PMID:00000012