SuppRankedBest-selling b1 (thiamine) brands on Amazon
58 brands have products in the Amazon Best Sellers top 100 for B1 (Thiamine). Ordered by how strongly each brand ranks in this list (higher positions and more products count more). List as of October 15, 2026.
Top 10 B1 (Thiamine) products
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Top 10 B1 (Thiamine) brands by revenue
Dr. Berg, Nutricost, Benfotiamine and seven more, with each brand's estimated revenue share.
See the top 10 →Head-to-head comparisons
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B1 (Thiamine) brands on Amazon: FAQ
What is the best-selling b1 (thiamine) brand on Amazon?
By estimated revenue, Dr. Berg is the best-selling b1 (thiamine) brand on Amazon right now, at roughly $1.7M/mo from 2 products in the B1 (Thiamine) Best Sellers top 100 (best position #1). These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 15, 2026), not official Amazon sales data.
What is the #1 best-selling b1 (thiamine) product on Amazon?
On October 15, 2026 the #1 product in Amazon's B1 (Thiamine) Best Sellers list was Dr. Berg Natural Vitamin B1 B6 B12 Complex - Allithiamine Vitamin B1 Supplement with 8 Essential… from Dr. Berg, with an estimated 48.7K units and ~$1.3M in revenue per month. Ranks change hourly, so check Amazon for the live list.
How many b1 (thiamine) brands are in Amazon's top 100?
58 distinct brands have at least one product in the B1 (Thiamine) top 100. The 10 biggest by estimated revenue account for about 58% of the list's estimated sales, and the top 3 for about 34%.
How much do the top b1 (thiamine) products sell on Amazon?
We estimate the top 100 b1 (thiamine) products together bring in about $9.8M a month at list price, before returns, discounts and fees. Treat it as an order-of-magnitude figure. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 15, 2026), not official Amazon sales data.
How are these rankings calculated?
We read the public Amazon Best Sellers list daily, match each product to its brand, estimate monthly units from Amazon's “bought in past month” badges and sales-rank curves, and multiply by list price. Full details are on the methodology page.