BlueBonnet Nutrition Liquid Calcium Citrate Magnesium

What the brand says

Bluebonnet's Liquid Calcium Magnesium Citrate & Vitamin D3 is formulated with calcium in a chelate of calcium citrate, as well as magnesium in a chelate of magnesium citrate and magnesium aspartate in a delicious lemon flavor. This formula also contains vitamin D3 (cholecalciferol) from lanolin for strong, healthy bones.*