SuppRankedKOS
KOS sells an estimated 3.9K units a month on Amazon across 1 Best Sellers product, worth roughly $215K/mo in gross revenue at list price (a modeled estimate, not Amazon data). That puts it #504 of 935 tracked supplement brands by SuppRanked score and #363 by estimated revenue. It peaks at #7 in Amazon's Plant Protein Best Sellers list. Its biggest niche is plant protein, where it is #6 by estimated revenue with about 3% of that top 100's est. sales. The top seller is KOS Vegan Protein Powder Erythritol Free, Vanilla USDA Organic - Pea… at ~$215K/mo est.
Categories Ranked in 1 Best Sellers list · best position shown
KOS products on Amazon Best Sellers Sorted by est. revenue/mo
| Product | Est. revenue/mo |
|---|---|
| KOS Vegan Protein Powder Erythritol Free, Vanilla USDA Organic - Pea Protein Blend, Plant… ASIN B076B8F1C6 · #7 Plant Protein · 3.9K units | $215K |
Prices, ratings and ranks as seen on October 15, 2026. Links go to the product on Amazon.com.
Competitors & comparisons
Top rivals in Plant Protein
- NAKED · $352K/mo est.
- Garden of Life · $325K/mo est.
- Sunwarrior · $320K/mo est.
- Ora Organic · $191K/mo est.
- Nutricost · $174K/mo est.
- NOW Foods · $157K/mo est.
Brands ranked near KOS
- #500 DryWater · $75K/mo est.
- #501 Love · $77K/mo est.
- #502 Terry · $143K/mo est.
- #503 Mag-Ox · $123K/mo est.
- #505 Freshfield · $96K/mo est.
- #506 Organic Ashwagandha · $105K/mo est.
- #507 Liquid Zinc · $177K/mo est.
- #508 Fatty15 · $549K/mo est.
Top 10 lists featuring KOS
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How is KOS 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