3D Forte Oral Drops contains Vitamin D3 as active ingredient.Key benefits/uses of 3D Forte Oral Drops:- Used to treat osteoporosis- Supports the kidneys to reuse phosphate back into the blood, which helps the blood to remain at the right pHDirections for use/Dosage:- As directed by the physicianSafety information:- Do not exceed the recommended dose- Read the label carefully before use - Keep out of the reach and sight of children