Best-selling iodine brands on Amazon

By estimated revenue, Standard Process is the best-selling iodine brand on Amazon right now, at roughly $669K/mo from 4 products in the Iodine Best Sellers top 100 (best position #20). By estimated units, J.CROW'S sells the most, about 32K 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 Iodine Best Sellers list was Organic Lugol's Iodine Liquid Drops Supplement - 2% Thyroid Non-GMO 2 Oz | Earth Harmony Iodine… from an unconfirmed brand, with an estimated 48.7K units and ~$972K in revenue per month. Ranks change hourly, so check Amazon for the live list.

55 distinct brands have at least one product in the Iodine top 100. The 10 biggest by estimated revenue account for about 52% of the list's estimated sales, and the top 3 for about 22%.

We estimate the top 100 iodine products together bring in about $11.4M 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.