SuppRankedTop 10 b3 (niacin) brands on Amazon (estimated revenue)
Ranked by estimated monthly revenue from Amazon's B3 (Niacin) Best Sellers top 100. Updated October 15, 2026.
TRU is the top-selling b3 (niacin) brand on Amazon by estimated revenue, at about $2M/mo from 4 products in the B3 (Niacin) Best Sellers top 100. That is about 2.4× as much as #2 Rho Nutrition (~$839K/mo). The list is tightly concentrated: the top 3 brands take about 54% of its estimated sales and the top 10 about 75%, spread across 52 brands in total. All figures are modeled estimates, not Amazon data.
| # | Brand | Est. revenue/mo |
|---|---|---|
| 1 | TRU32% share · best #1 | $2M |
| 2 | Rho Nutrition13% share · best #3 | $839K |
| 3 | Nutricost10% share · best #2 | $630K |
| 4 | Heliocare9% share · best #4 | $600K |
| 5 | Toniiq2% share · best #24 | $139K |
| 6 | ProHealth2% share · best #18 | $138K |
| 7 | Cymbiotika2% share · best #21 | $132K |
| 8 | Pure Encapsulations2% share · best #28 | $127K |
| 9 | NOW Foods2% share · best #12 | $114K |
| 10 | Genex2% share · best #10 | $108K |
The top 10, brand by brand
1. TRU
~$2M/mo est. revenue (32% of this list) and ~26.6K units/mo from 4 products; best position #1. Its highest-ranked product here is TRU NIAGEN NAD+ Supplement, Nicotinamide Riboside 300mg, 30 Daily Servings… at #1. Overall it ranks #216 of 3,479 brands.
2. Rho Nutrition
~$839K/mo est. revenue (13% of this list) and ~15K units/mo from 1 product; best position #3. Its highest-ranked product here is Rho Nutrition Liposomal NAD+ Liquid Supplement | High Absorption Formula… at #3. Overall it ranks #111 of 3,479 brands.
3. Nutricost
~$630K/mo est. revenue (10% of this list) and ~37.2K units/mo from 7 products; best position #2. Its highest-ranked product here is Nutricost Niacinamide (Vitamin B3) 500mg, 240 Capsules, Flush Free… at #2. Overall it ranks #2 of 3,479 brands.
4. Heliocare
~$600K/mo est. revenue (9% of this list) and ~15K units/mo from 1 product; best position #4. Its highest-ranked product here is Heliocare Advanced with Nicotinamide Antioxidant Supplement, 120 Capsules… at #4. Overall it ranks #308 of 3,479 brands.
5. Toniiq
~$139K/mo est. revenue (2% of this list) and ~4.3K units/mo from 3 products; best position #24. Its highest-ranked product here is Toniiq Liposomal NAD+ and Resveratrol Supplement - 1500mg | Ultra High Strength… at #24. Overall it ranks #160 of 3,479 brands.
6. ProHealth
~$138K/mo est. revenue (2% of this list) and ~2.7K units/mo from 2 products; best position #18. Its highest-ranked product here is ProHealth NMN Pro 1000 (60 Capsules) Clinically Studied Uthever NMN. NAD+… at #18. Overall it ranks #691 of 3,479 brands.
7. Cymbiotika
~$132K/mo est. revenue (2% of this list) and ~1.8K units/mo from 1 product; best position #21. Its highest-ranked product here is CYMBIOTIKA Liposomal NAD+ Supplement for Energy & Healthy Aging | NAD booster… at #21. Overall it ranks #212 of 3,479 brands.
8. Pure Encapsulations
~$127K/mo est. revenue (2% of this list) and ~2.9K units/mo from 2 products; best position #28. Its highest-ranked product here is Pure Encapsulations NR Longevity NAD Supplement, 60 Capsules | Supports Healthy… at #28. Overall it ranks #4 of 3,479 brands.
9. NOW Foods
~$114K/mo est. revenue (2% of this list) and ~9.3K units/mo from 6 products; best position #12. Its highest-ranked product here is NOW Supplements, Niacinamide (Vitamin B-3) 500 mg, 100 Veg Caps at #12. Overall it ranks #1 of 3,479 brands.
10. Genex
~$108K/mo est. revenue (2% of this list) and ~5.3K units/mo from 2 products; best position #10. Its highest-ranked product here is Genex Formulas NMN 250mg - Stabilized Form (60 Capsules), 99% Pure Supplement… at #10. Overall it ranks #711 of 3,479 brands.
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Full B3 (Niacin) ranking
All 52 brands in the list, ordered by rank strength, plus the top 10 products.
See all B3 (Niacin) brands →