NOW Foods Supplements, Astragalus (Astragalus membranaceus) 500 mg…

Our verdict

NOW Foods Supplements, Astragalus (Astragalus membranaceus) 500 mg… works out to $0.07 per serving of astragalus, at 500mg per serving in capsule form. That puts it the cheapest quarter of the 16 astragalus products we can price per dose, where the typical serving costs $0.16, a Value Index of 2.4 where the median product is 1.0. One container lasts 100 days at the label dose of 1 serving a day, about $1.98 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.