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

MetricMaryRuth'sSports Research
Est. revenue/mo$14.3M$18M
Est. units/mo535K692K
Rank by est. revenue#8#5
SuppRanked rank#14#10
Best-selling products8773
Lists ranked in5864
#1 list ranks24

Head to head where they compete Est. revenue/mo in each list or market · position by est. revenue

List / marketMaryRuth'sSports ResearchPositionLeads (est.)
Vitamins List$4.9M$3.9M#3 / #4MaryRuth's
Vitamin D3 Market$592K$4.3M#12 / #1Sports Research
Vitamin D3 & K2 List$235K$4.1M#16 / #1Sports Research
Vitamin D3 + K2 Market$235K$4.1M#16 / #1Sports Research
Fish Oil & Omega-3 Market$223K$4M#22 / #2Sports Research
Essential Fatty Acids List$119K$3.6M#42 / #2Sports Research
Gummy Supplements Market$3.2M$87K#7 / #97MaryRuth's
Vitamin B List$2.3M$520K#4 / #16MaryRuth's
B7 (Biotin) List$2.4M$299K#2 / #9MaryRuth's
Biotin Market$1.4M$299K#1 / #4MaryRuth's
Minerals List$442K$1.2M#32 / #8Sports Research
Magnesium List$344K$1.2M#30 / #9Sports Research

History Est. revenue/mo by day · like-for-like, gaps where data changed · how

Top products By est. revenue/mo

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.

Estimates, not Amazon data. Modeled from public Best Sellers ranks and list prices; not profit. How it works

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