Health Alert: Kirkland Women 50+ Vitamins Recalled HEALTH ALERT: Health Canada has issued a nationwide recall of Kirkland Signature Women 50+ multivitamins sold at Costco due to possible metal fragments found inside the bottles. Manufacturer Vita Health Products says there may be a “potential presence of loose metal pieces in the pill bottle,” posing a possible health risk to consumers. The affected product is part of Costco’s private-label Kirkland Signature brand.