Jarrow 5-HTP, 100 mg, Serotonin Precursor, 90 Capsules

Our verdict

Jarrow 5-HTP, 100 mg, Serotonin Precursor, 90 Capsules works out to $0.18 per serving of 5-htp, at 100mg per serving in capsule form. That puts it around the median of the 63 5-htp products we can price per dose, where the typical serving costs $0.17, a Value Index of 0.9 where the median product is 1.0. One container lasts 90 days at the label dose of 1 serving a day, about $5.33 a month. We could not verify a third-party certification for Jarrow Formulas in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.