Holy basil (tulsi)
Key facts
Daily Value (US FDA)—
Tolerable Upper Intake Level (UL)— Reference upper value (cited, not a UL): 28,000 mg
Median (Per day)100 mgP5 18 – P95 500
Products168
Sources: https://webprod.hc-sc.gc.ca/nhpid-bdipsn/atReq?atid=ocimum.tenuliflorum.leaf.feu · Health Canada NNHPD monograph: dried leaf up to 3 g (ethanolic) / 28 g (aqueous) per day
Daily dose across products (mg/day)
Reference upper value (cited, not a UL) 28,000
1.01 mglog scale · n=1682,000 mg
Label data from official national databases and brand websites, as declared; not lab-verified.
Common questions
Is there an official upper limit for Holy basil (tulsi)?
No UL has been set. We use a cited reference upper value of 28,000 mg per day. It comes from the linked study or assessment and is not a regulatory limit. [source]
How much Holy basil (tulsi) do products usually contain per day?
As of 2026-11-01, 168 products list a comparable daily dose (185 dose records; one product can have several). The median is 100 mg per day, and 90% of records fall between 18 and 500 mg. Figures come from labels and are not lab-tested. [source]
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.