SuppRankedMetamucil
Metamucil sells an estimated 234K units a month on Amazon across 18 Best Sellers products, worth roughly $6.9M/mo in gross revenue at list price (a modeled estimate, not Amazon data). That puts it #20 of 935 tracked supplement brands by SuppRanked score and #13 by estimated revenue. It leads Amazon's Dietary Fiber Best Sellers list. Its biggest niche is dietary fiber, where it is #1 by estimated revenue with about 19% of that top 100's est. sales. The top seller is Metamucil 4-in-1 Psyllium Husk Fiber Supplement, Sugar-Free, 180… at ~$1.4M/mo est.
Categories Ranked in 5 Best Sellers lists · best position shown
Metamucil products on Amazon Best Sellers Sorted by est. revenue/mo
Prices, ratings and ranks as seen on October 15, 2026. Links go to the product on Amazon.com.
Competitors & comparisons
Top rivals in Digestive Supplements
- Physician's CHOICE · $3.7M/mo est.
- Garden of Life · $2.8M/mo est.
- Seed · $2.5M/mo est.
- Align · $2.5M/mo est.
Metamucil comparisons
Brands ranked near Metamucil
- #16 Life Extension · $2.7M/mo est.
- #17 Bronson Vitamins · $2.3M/mo est.
- #18 Orgain · $5.6M/mo est.
- #19 Vitafusion · $1.9M/mo est.
- #21 Liquid I.V. · $3.6M/mo est.
- #22 Physician's CHOICE · $5.4M/mo est.
- #23 Carlyle · $1.7M/mo est.
- #24 NatureWise · $2M/mo est.
Top 10 lists featuring Metamucil
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Advertise on SuppRanked →How is Metamucil 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