Kirkland Signature Vitamin D3, 2,000 IU, 600-count — Vitamin D dietary supplement; 2,000 IU vitamin D3 per tablet to support bone strength, immune health, and muscle function; easy-to-swallow tablet format for daily use; no artificial colors or preservatives; large-count bottle ideal for long-term supplementation and family wellness support.

Costco availability and package configuration may vary by warehouse and region.