NOW Supplements, Passion Flower 350 mg, Stress Relief*, 90 Veg Caps

Our verdict

NOW Supplements, Passion Flower 350 mg, Stress Relief*, 90 Veg Caps works out to $0.11 per serving of passionflower, at 350mg per serving in capsule form. That puts it the cheapest quarter of the 13 passionflower products we can price per dose, where the typical serving costs $0.23, a Value Index of 2.0 where the median product is 1.0. One container lasts 90 days at the label dose of 1 serving a day, about $3.33 a month. We could not verify a third-party certification for NOW 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.