Best Naturals Soy Isoflavones 750 mg 120 Capsules (120 Count…

Our verdict

Best Naturals Soy Isoflavones 750 mg 120 Capsules (120 Count… works out to $0.11 per serving of soy isoflavones, at 750mg per serving in capsule form. That puts it below the median of the 11 soy isoflavones products we can price per dose, where the typical serving costs $0.15, a Value Index of 1.3 where the median product is 1.0. One container lasts 240 days at the label dose of 1 serving a day, about $3.37 a month. We could not verify a third-party certification for Best Naturals 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.