SuppRankedRule
Rule sells an estimated 3.4K units a month on Amazon across 2 Best Sellers products, worth roughly $181K/mo in gross revenue at list price (a modeled estimate, not Amazon data). That puts it #562 of 935 tracked supplement brands by SuppRanked score and #404 by estimated revenue. It peaks at #79 in Amazon's Whey Protein Best Sellers list. Its biggest niche is whey protein, where it is #33 by estimated revenue with about 1% of that top 100's est. sales. The top seller is Rule 1 Proteins R1 Protein Whey Isolate, Vanilla Créme, 30 Servings… at ~$108K/mo est.
Categories Ranked in 1 Best Sellers list · best position shown
Rule products on Amazon Best Sellers Sorted by est. revenue/mo
| Product | Est. revenue/mo |
|---|---|
| Rule 1 Proteins R1 Protein Whey Isolate, Vanilla Créme, 30 Servings | 25g of Protein from… ASIN B09Q4KRNVQ · #79 Whey Protein · 1.8K units | $108K |
| Rule 1 Proteins Whey Protein Powder, Vanilla Ice Cream, 27 Servings | 24g Fast-Acting… ASIN B09VMBDPD9 · #90 Whey Protein · 1.6K units | $74K |
Prices, ratings and ranks as seen on October 15, 2026. Links go to the product on Amazon.com.
Competitors & comparisons
Top rivals in Whey Protein
- FlavCity · $203K/mo est.
- Earth · $199K/mo est.
- Muscle Milk · $189K/mo est.
- JYM · $180K/mo est.
- Just Ingredients · $177K/mo est.
- Axe · $171K/mo est.
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Advertise on SuppRanked →How is Rule ranked?
The score (0–100) blends estimated monthly units (60%), category rank visibility (30%) and breadth across categories (10%). Est. revenue/mo is estimated units × list price, summed across the brand's ranked products. Methodology