SuppRankedMaryRuth's vs One A Day: Amazon sales compared
By SuppRanked's estimates, MaryRuth's brings in about $14.3M/mo on Amazon versus $3.7M/mo for One A Day (about 3.9×), on ~535K vs ~200K units a month. They meet in 4 lists and markets: MaryRuth's leads in 3, One A Day in 1 (est.).
Side by side
| Metric | MaryRuth's | One A Day |
|---|---|---|
| Est. revenue/mo | $14.3M | $3.7M |
| Est. units/mo | 535K | 200K |
| Rank by est. revenue | #8 | #45 |
| SuppRanked rank | #14 | #57 |
| Best-selling products | 87 | 14 |
| Lists ranked in | 58 | 5 |
| #1 list ranks | 2 | 0 |
Head to head where they compete Est. revenue/mo in each list or market · position by est. revenue
| List / market | MaryRuth's | One A Day |
|---|---|---|
| Vitamins List | $4.9M | $1.8M |
| Multivitamins List | $3.9M | $2.7M |
| Gummy Supplements Market | $3.2M | $221K |
| Prenatal Vitamins List | $555K | $967K |
History Est. revenue/mo by day · like-for-like, gaps where data changed · how
MaryRuth's
One A Day
Top products By est. revenue/mo
MaryRuth's
One A Day
- One A Day Multivitamin for Men - Daily Mens Multivitamins with… · ~$961K/mo est.
- One A Day Prenatal Advanced- Prenatal Vitamins with Folic Acid… · ~$453K/mo est.
- One A Day Men’s 50+ Healthy Advantage Multivitamin, Multivitamin for… · ~$449K/mo est.
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 One A Day?
By SuppRanked's estimates, MaryRuth's sells more: about $14.3M/mo in Amazon revenue versus $3.7M/mo for One A Day, and ~535K vs ~200K 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 One A Day?
In Vitamins, the Best Sellers list where they compete most, MaryRuth's leads with ~$4.9M/mo against ~$1.8M/mo for One A Day. Modeled estimates, October 18, 2026, not Amazon data.