Gruns vs MaryRuth's: Amazon sales compared

By SuppRanked's estimates, MaryRuth's brings in about $14.3M/mo on Amazon versus $3.6M/mo for Gruns (about 3.9×), on ~535K vs ~58K units a month. They meet in 9 lists and markets: MaryRuth's leads in 2, Gruns in 7 (est.).

Side by side

MetricGrunsMaryRuth's
Est. revenue/mo$3.6M$14.3M
Est. units/mo58K535K
Rank by est. revenue#47#8
SuppRanked rank#114#14
Best-selling products987
Lists ranked in658
#1 list ranks32

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

List / marketGrunsMaryRuth'sPositionLeads (est.)
Multivitamins Market$3.3M$4.1M#3 / #1MaryRuth's
Gummy Supplements Market$3.6M$3.2M#5 / #7Gruns
Herbal Supplements List$3.1M$1M#4 / #14Gruns
Greens Powder & Superfoods Market$3.2M$26K#1 / #27Gruns
Spirulina List$2M$37K#1 / #23Gruns
Chlorella List$1.1M$17K#1 / #19Gruns
Vitamin C List$84K$450K#30 / #8MaryRuth's
Mushrooms List$234K$96K#7 / #18Gruns
Mushroom Supplements Market$234K$96K#5 / #15Gruns

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, Gruns or MaryRuth's?

By SuppRanked's estimates, MaryRuth's sells more: about $14.3M/mo in Amazon revenue versus $3.6M/mo for Gruns, and ~535K vs ~58K 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 Multivitamins on Amazon, Gruns or MaryRuth's?

In Multivitamins, the ingredient market where they compete most, MaryRuth's leads with ~$4.1M/mo against ~$3.3M/mo for Gruns. 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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