NOW Supplements, Evening Primrose Oil 500 mg with GLA, 100 Softgels

Our verdict

NOW Supplements, Evening Primrose Oil 500 mg with GLA, 100 Softgels works out to $0.07 per serving of evening primrose oil, at 500mg per serving in softgel form. That puts it the cheapest quarter of the 20 evening primrose oil products we can price per dose, where the typical serving costs $0.18, a Value Index of 2.6 where the median product is 1.0. One container lasts 100 days at the label dose of 1 serving a day, about $2.10 a month. We could not verify a third-party certification for NOW Foods 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.