Rugby Niacin 100mg - Niacin Tablets with Calcium - Dietary Supplement…
Our verdict
Rugby Niacin 100mg - Niacin Tablets with Calcium - Dietary Supplement… works out to $0.07 per serving of vitamin b3 (niacin), at 100mg per serving in tablet form. That puts it the cheapest quarter of the 92 vitamin b3 (niacin) products we can price per dose, where the typical serving costs $0.13, a Value Index of 1.9 where the median product is 1.0. One container lasts 100 days at the label dose of 1 serving a day, about $1.99 a month. We could not verify a third-party certification for Rugby 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.
Questions about this product
- How much does one serving of Rugby Niacin 100mg - Niacin Tablets with Calcium - Dietary Supplement… cost?
- $0.07 per serving, which is 100mg of vitamin b3 (niacin) in tablet form, against a typical $0.13 across the 92 vitamin b3 (niacin) products we can price per dose, a Value Index of 1.9 where the median product is 1.0. Worked out from the current retail price as of 2026-11-13, not the sticker price.
- How long does one container of Rugby Niacin 100mg - Niacin Tablets with Calcium - Dietary Supplement… last?
- 100 days at the label dose of 1 serving a day, which is about $1.99 a month.
- Is Rugby third-party tested?




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The silence is deafening
Lead with cost-per-dose, not vibes.