What is the cheapest Source Naturals supplement per dose?

Source Naturals Niacin, Vitamin B-3, Non-GMO, 100 mg - 250 Tablets at $0.04 per serving is the lowest cost-per-dose Source Naturals product in our catalog right now.

Is Source Naturals third-party tested?

We don't have a verified third-party-testing certification for Source Naturals. Check whether the individual product lists a Certificate of Analysis on its listing.

How many Source Naturals deals does VitaminDB track?

We track 16 active Source Naturals deals across 11 nutrients, each ranked by real cost per dose (price ÷ servings) so you compare value, not sticker price.

Source Naturals deals & lab data

NEW

🔋 Vitamin B5

Source Naturals Pantothenic Acid

Cost per serving

$0.14

100 servings · ~100-day supply

$13.97Price from Amazon.com

Source Naturals · Amazon.com 0

Independent test results

Source Naturals — frequently asked