SuppRankedTHORNE vs One A Day: Amazon sales compared
Estimated Amazon revenue, units and category ranks for both brands, side by side. Updated October 15, 2026.
On Amazon, THORNE brings in an estimated $22.7M/mo versus $2.8M/mo for One A Day, about 8.1× as much as its rival (modeled estimates, Oct 15, 2026). THORNE also sells more units (~665K vs ~139K a month) across 52 ranked products to 12. They meet in 4 Best Sellers lists, and THORNE out-sells One A Day in every one. Average ratings are close at 4.60 vs 4.57.
Head to head
| Metric | THORNE | One A Day |
|---|---|---|
| Est. revenue/mo | $22.7M | $2.8M |
| Est. units/mo | 665K | 139K |
| Overall rank (score) | #3 | #38 |
| Rank by est. revenue | #1 | #33 |
| SuppRanked score | 90.5 | 61.8 |
| Best-selling products | 52 | 12 |
| Categories ranked in | 33 | 4 |
| #1 category ranks | 0 | 0 |
| Avg rating | 4.60 | 4.57 |
| Total reviews | 168K | 195K |
| Gummy share | 0% | 17% |
Shared categories Est. revenue/mo in each Best Sellers top 100 · best position
| Category | THORNE | One A Day |
|---|---|---|
| Vitamins, Minerals & Supplements | $9M | $627K |
| Vitamins | $4.2M | $1.2M |
| Multivitamins | $2M | $1.6M |
| Prenatal Vitamins | $1.5M | $1.2M |
Top products
THORNE
One A Day
FAQ
Which sells more on Amazon, THORNE or One A Day?
By SuppRanked's estimates, THORNE sells more: about $22.7M/mo in Amazon revenue versus $2.8M/mo for One A Day. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 15, 2026), not official Amazon sales data.
Who sells more Vitamins, Minerals & Supplements on Amazon, THORNE or One A Day?
In the Vitamins, Minerals & Supplements Best Sellers top 100, THORNE leads with ~$9M/mo estimated, against ~$627K/mo for One A Day. Estimates only.