Metamucil vs Gruns: Amazon sales compared

Estimated Amazon revenue, units and category ranks for both brands, side by side. Updated October 15, 2026.

On Amazon, Metamucil brings in an estimated $6.9M/mo versus $2.8M/mo for Gruns, about 2.5× as much as its rival (modeled estimates, Oct 15, 2026). Metamucil also sells more units (~234K vs ~45.9K a month) across 18 ranked products to 3. They meet in 1 Best Sellers list, and Gruns out-sells Metamucil in every one, despite the smaller overall total. Metamucil has the higher average rating (4.59 vs 4.27).

Head to head

MetricMetamucilGruns
Est. revenue/mo$6.9M$2.8M
Est. units/mo234K45.9K
Overall rank (score)#20#105
Rank by est. revenue#13#31
SuppRanked score68.652.2
Best-selling products183
Categories ranked in52
#1 category ranks10
Avg rating4.594.27
Total reviews129K10.1K
Gummy share22%100%

Shared categories Est. revenue/mo in each Best Sellers top 100 · best position

CategoryMetamucilGrunsBest rank
Herbal Supplements$2.8M$2.8M#9 / #16

Top products

Estimates, not official Amazon data. Rankings and revenue are modeled from public Amazon Best Sellers lists and list prices (units × price, before returns, discounts and fees; not profit) and may differ from real sales. How it works.

FAQ

Which sells more on Amazon, Metamucil or Gruns?

By SuppRanked's estimates, Metamucil sells more: about $6.9M/mo in Amazon revenue versus $2.8M/mo for Gruns. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 15, 2026), not official Amazon sales data.

Who sells more herbal supplements on Amazon, Metamucil or Gruns?

In the Herbal Supplements Best Sellers top 100, Gruns leads with ~$2.8M/mo estimated, against ~$2.8M/mo for Metamucil. Estimates only.

More comparisons