Built by Nature Biotin 10,000 mcg for Hair Growth Women, 360 Softgels

Our verdict

Built by Nature Biotin 10,000 mcg for Hair Growth Women, 360 Softgels works out to $0.03 per serving of biotin (vitamin b7), at 10000mcg per serving in softgel form. That puts it the cheapest quarter of the 91 biotin (vitamin b7) products we can price per dose, where the typical serving costs $0.12, a Value Index of 4.2 where the median product is 1.0. One container lasts 360 days at the label dose of 1 serving a day, about $0.83 a month. We could not verify a third-party certification for Built by Nature 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.