SuppRankedMaryRuth's vs ONNIT: Amazon sales compared
Estimated Amazon revenue, units and category ranks for both brands, side by side. Updated October 15, 2026.
On Amazon, MaryRuth's brings in an estimated $18M/mo versus $4M/mo for ONNIT, about 4.5× as much as its rival (modeled estimates, Oct 15, 2026). MaryRuth's also sells more units (~699K vs ~67.3K a month) across 86 ranked products to 10. They meet in 4 Best Sellers lists: MaryRuth's leads in 3 and ONNIT in 1.
Head to head
| Metric | MaryRuth's | ONNIT |
|---|---|---|
| Est. revenue/mo | $18M | $4M |
| Est. units/mo | 699K | 67.3K |
| Overall rank (score) | #15 | #212 |
| Rank by est. revenue | #12 | #97 |
| SuppRanked score | 70.2 | 48.8 |
| Best-selling products | 86 | 10 |
| Categories ranked in | 58 | 11 |
| #1 category ranks | 2 | 0 |
| Gummy share | 29% | 10% |
Shared categories Est. revenue/mo in each Best Sellers top 100 · best position
| Category | MaryRuth's | ONNIT |
|---|---|---|
| Vitamins | $3.1M | $2.4M |
| Vitamin B | $2.4M | $2.4M |
| Omega Oils | $577K | $51K |
| Omega-3 | $104K | $51K |
Top products
MaryRuth's
ONNIT
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FAQ
Which sells more on Amazon, MaryRuth's or ONNIT?
By SuppRanked's estimates, MaryRuth's sells more: about $18M/mo in Amazon revenue versus $4M/mo for ONNIT. 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 on Amazon, MaryRuth's or ONNIT?
In the Vitamins Best Sellers top 100, MaryRuth's leads with ~$3.1M/mo estimated, against ~$2.4M/mo for ONNIT. Estimates only.