hintl / Mental wellbeing
Mental wellbeing, by the evidence
Supplements and habits for stress, anxiety and mood, each scored by the strength of the published research behind it — study counts, participant totals, and the direction of the evidence, not marketing claims.
13items
supplements & habits
46studies
reviewed
15,828participants
across those studies
hintl editorial team / Mental Wellbeing Desk
Mental wellbeing desk — research review
For Mental wellbeing, the studies with the strongest track record so far are ashwagandha (88/100, 4 studies), forest bathing (85/100, 5 studies), and probiotics (75/100, 6 studies) (hintl Evidence Score, as of October 2026).
Evidence for inulin and yoga is still limited.
Same topic, very different evidence
Even within one topic, how strongly the research backs each option varies widely. Here's what the numbers show.
Ranked by strength of evidence
Tap any item to see the studies behind its score.
88/100
Confidence: high
ashwagandha
stress4 studies1,116 participants
85/100
Confidence: high
forest bathing
stress5 studies3,597 participants
75/100
Confidence: high
probiotics
mood6 studies420 participants· 1 more outcome
74/100
Confidence: moderate
omega-3 fatty acids
mood2 studies1,840 participants
71/100
Confidence: high
saffron
mood3 studies364 participants
68/100
Confidence: moderate
L-theanine
stress4 studies76 participants
68/100
Confidence: moderate
magnesium
stress4 studies100 participants
62/100
Confidence: moderate
b vitamins
stress1 study2,015 participants· 1 more outcome
56/100
Confidence: moderate
breathing exercise
anxiety2 studies47 participants
43/100
Confidence: low
L-tyrosine
stress4 studies158 participants
42/100
Confidence: low
rhodiola rosea
stress1 study90 participants
39/100
Confidence: low
yoga
stress1 study39 participants
9/100
Confidence: very low
inulin
stress2 studies30 participants
Evidence Scores are computed mechanically from the published research (PubMed / Semantic Scholar / OpenAlex): study design, participant numbers, and consistency across studies. An LLM is used only to extract study data, never to decide a score.
This is research-based information, not medical advice, and not a diagnosis. Consult a qualified professional about your own situation.