L-Theanine vs Ashwagandha
for stress
Stronger evidence: tie
Stronger effect: tie
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.
L-Theanine
grade C low certainty
small calming effect; often paired with caffeine to smooth its edge
100–200 mg
sources: PMID:00000022 · PMID:00000012