PrimaForce Agmatine Sulfate (500mg) 90 Capsules, Gluten Free

Our verdict

PrimaForce Agmatine Sulfate (500mg) 90 Capsules, Gluten Free works out to $0.14 per serving of agmatine, at 500mg per serving in capsule form. That puts it above the median of the 5 agmatine products we can price per dose, where the typical serving costs $0.10. One container lasts 90 days at the label dose of 1 serving a day, about $4.33 a month. We could not verify a third-party certification for Primaforce 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.