SuppRankedKirkland Signature
Kirkland Signature sells an estimated 1.2K units a month on Amazon across 1 Best Sellers product, worth roughly $16K/mo in gross revenue at list price (a modeled estimate, not Amazon data). That puts it #788 of 935 tracked supplement brands by SuppRanked score and #857 by estimated revenue. It peaks at #89 in Amazon's Calcium Best Sellers list. Its biggest niche is calcium, where it is #53 by estimated revenue with about 0% of that top 100's est. sales. The top seller is Kirkland Signature Chewable Calcium with Vitamin D3 Adult Gummies… at ~$16K/mo est.
Categories Ranked in 1 Best Sellers list · best position shown
Kirkland Signature products on Amazon Best Sellers Sorted by est. revenue/mo
| Product | Est. revenue/mo |
|---|---|
| Kirkland Signature Chewable Calcium with Vitamin D3 Adult Gummies, 120 ct x 1 Bottle ASIN B00F4MD808 · #89 Calcium · 1.2K units | $16K |
Prices, ratings and ranks as seen on October 15, 2026. Links go to the product on Amazon.com.
Competitors & comparisons
Top rivals in Calcium
- Kal · $21K/mo est.
- ChildLife · $21K/mo est.
- KatsAquatics · $19K/mo est.
- Carlyle · $7K/mo est.
Brands ranked near Kirkland Signature
- #784 Pure Shilajit · $34K/mo est.
- #785 wholier · $39K/mo est.
- #786 Organic Pea · $29K/mo est.
- #787 BioBeet · $22K/mo est.
- #789 Beast · $8K/mo est.
- #790 HPN · $37K/mo est.
- #791 Organic Shilajit · $21K/mo est.
- #792 ONL · $16K/mo est.
Claiming is free and lets you correct details. A Featured profile ($79/mo) adds a "Featured" label, your logo, description, links and a highlighted row. Your rank is never affected.
Reach the supplement founders, operators and investors who check where they rank. $499/mo, 20/20 spots open.
Advertise on SuppRanked →Show off your rank
Is Kirkland Signature your brand? Add this free badge to your website, Amazon A+ story page or press kit. It links to this profile and updates daily.
How is Kirkland Signature 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