Best-selling flax seed oil brands on Amazon

By estimated revenue, Barlean's is the best-selling flax seed oil brand on Amazon right now, at roughly $1.8M/mo from 6 products in the Flax Seed Oil Best Sellers top 100 (best position #3). By estimated units, Nature Made sells the most, about 88.5K a month, usually at a lower price per unit. 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 Flax Seed Oil Best Sellers list was Nature Made Extra Strength Flaxseed Oil 1400 mg Softgels, 100 Softgels | Fish Free Omega 3… from Nature Made, with an estimated 48.7K units and ~$530K in revenue per month. Ranks change hourly, so check Amazon for the live list.

45 distinct brands have at least one product in the Flax Seed Oil top 100. The 10 biggest by estimated revenue account for about 63% of the list's estimated sales, and the top 3 for about 40%.

We estimate the top 100 flax seed oil products together bring in about $10.2M 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.