High-Potency Vitamin D3 Tablets for Optimal Bone Health. ‣ Provides a high dose of vitamin D3 (cholecalciferol). ‣ Supports bone strength and immune health. ‣ Small, easy-to-swallow tablets. SUGGESTED USE: Take 1 tablet weekly, or as directed by your healthcare provider. INGREDIENTS: Vitamin D3 (cholecalciferol), microcrystalline cellulose, dicalcium phosphate, vegetable magnesium stearate, silica.