MaryRuth'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

MetricMaryRuth'sONNIT
Est. revenue/mo$18M$4M
Est. units/mo699K67.3K
Overall rank (score)#15#211
Rank by est. revenue#12#97
SuppRanked score70.248.8
Best-selling products8610
Categories ranked in5811
#1 category ranks20
Gummy share29%10%

Shared categories Est. revenue/mo in each Best Sellers top 100 · best position

CategoryMaryRuth'sONNITBest rank
Vitamins$3.1M$2.4M#5 / #84
Vitamin B$2.4M$2.4M#31 / #25
Omega Oils$577K$51K#33 / #89
Omega-3$104K$51K#31 / #81

Top products

As an Amazon Associate, SuppRanked earns from qualifying purchases.

Estimates, not official Amazon data. Rankings and revenue are modeled from public Amazon Best Sellers lists and list prices (units × price, before returns, discounts and fees; not profit) and may differ from real sales. How it works.

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.

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