Best-selling b12 brands on Amazon

By estimated revenue, Nature Made is the best-selling b12 brand on Amazon right now, at roughly $1.9M/mo from 11 products in the B12 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.

On October 15, 2026 the #1 product in Amazon's B12 Best Sellers list was Nature Made Vitamin B12 1000 mcg, Energy Metabolism Support, 150 Softgels | B12 Vitamins 1000 mcg… from Nature Made, with an estimated 54.1K units and ~$946K in revenue per month. Ranks change hourly, so check Amazon for the live list.

46 distinct brands have at least one product in the B12 top 100. The 10 biggest by estimated revenue account for about 65% of the list's estimated sales, and the top 3 for about 37%.

We estimate the top 100 b12 products together bring in about $9M 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.

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.