تلسی · Ocimum sanctum, tulsi
Weak evidence
Pleasant as tea, with small and mostly low-quality stress trials behind it.
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An aromatic basil used in Ayurveda and grown across the subcontinent, drunk as tea and taken as extract.
Small trials report improvements in stress scores and some anxiety measures, but the studies are mostly short, small and poorly blinded. There is a broader traditional case and a weak modern one. As a daily tea it is a harmless habit that may help by way of ritual as much as chemistry.
Studies used roughly 300 to 1,200 mg daily of extract.
Recorded because a person who has decided to try something will find a number somewhere, and a forum's number is worse than a trial's. It is not a recommendation, and the right amount for you depends on things only a doctor who knows your history can weigh.
May thin the blood and lower blood sugar - relevant with warfarin or diabetes medication. Some evidence of effects on fertility in animals, so avoid if trying to conceive, and in pregnancy.
Widely grown and easy to find fresh or dried; cheap as tea.
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