MaryRuth's vs Sports Research: Amazon sales compared
By SuppRanked's estimates, Sports Research brings in about $18M/mo on Amazon versus $14.3M/mo for MaryRuth's (about 26% more), on ~692K vs ~535K units a month. They meet in 44 lists and markets: Sports Research leads in 21, MaryRuth's in 23 (est.).
Side by side
| Metric | MaryRuth's | Sports Research |
|---|---|---|
| Est. revenue/mo | $14.3M | $18M |
| Est. units/mo | 535K | 692K |
| Rank by est. revenue | #8 | #5 |
| SuppRanked rank | #14 | #10 |
| Best-selling products | 87 | 73 |
| Lists ranked in | 58 | 64 |
| #1 list ranks | 2 | 4 |
Head to head where they compete Est. revenue/mo in each list or market · position by est. revenue
| List / market | MaryRuth's | Sports Research |
|---|---|---|
| Vitamins List | $4.9M | $3.9M |
| Vitamin D3 Market | $592K | $4.3M |
| Vitamin D3 & K2 List | $235K | $4.1M |
| Vitamin D3 + K2 Market | $235K | $4.1M |
| Fish Oil & Omega-3 Market | $223K | $4M |
| Essential Fatty Acids List | $119K | $3.6M |
| Gummy Supplements Market | $3.2M | $87K |
| Vitamin B List | $2.3M | $520K |
| B7 (Biotin) List | $2.4M | $299K |
| Biotin Market | $1.4M | $299K |
| Minerals List | $442K | $1.2M |
| Magnesium List | $344K | $1.2M |
History Est. revenue/mo by day · like-for-like, gaps where data changed · how
MaryRuth's
Sports Research
Top products By est. revenue/mo
MaryRuth's
Sports Research
Watch this rivalry weekly
Rank and est. sales changes for both brands, or every brand as a CSV.
FAQ
Which sells more on Amazon, MaryRuth's or Sports Research?
By SuppRanked's estimates, Sports Research sells more: about $18M/mo in Amazon revenue versus $14.3M/mo for MaryRuth's, and ~692K vs ~535K units a month. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 18, 2026), not official Amazon sales data.
Who sells more Vitamins on Amazon, MaryRuth's or Sports Research?
In Vitamins, the Best Sellers list where they compete most, MaryRuth's leads with ~$4.9M/mo against ~$3.9M/mo for Sports Research. Modeled estimates, October 18, 2026, not Amazon data.