Kirkland Signature (vitamins)
Store-brand vitamins carrying USP Verified on part of the range.
Status: Watchlist
- Website
- costco.com
- HQ
- USA
- Ownership type
- Public
- Parent
- Costco Wholesale Corporation
- Status since
- 2026-08-25
Ownership
Costco private label.
Why Watchlist
Carries the strongest third-party mark in the category on part of its range, unusual for a store brand, but Costco discloses neither the manufacturer nor the country of manufacture.
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