Nature's Blend Oyster Shell Calcium 500mg with Vitamin D3

What the brand says

Sold as “Nature's Blend Oyster Shell Calcium 500mg with Vitamin D3, 100 Tablets (Pack of 5)”

Nature's Blend Oyster Shell Calcium 500 mg With Vitamin D3 is a dietary supplement formulated to provide calcium sourced from oyster shell combined with vitamin D3 per tablet. Each tablet contains 500 mg of calcium and a specified amount of vitamin D3 to support calcium utilization as part of a daily supplement routine. The product is packaged in a bottle containing 100 tablets. Tablets are solid and intended for oral use according to labeled directions. The bottle is designed for convenient storage and routine household use.