Vitamin D and calcium and zinc preparations such as Calcium Zinc Gluconate Oral Solution can be taken together and can also promote calcium absorption, and it is generally recommended that they be taken at the same time. Studies have shown that vitamin D is involved in the metabolism of calcium and phosphorus, promotes calcium and phosphorus absorption, and plays an important role in bone formation. So taking vitamin D is used to prevent and treat vitamin D deficiency, such as rickets. And vitamin D and calcium and zinc, the three as the body’s essential nutrients, there is no direct chemical reaction between them, and do not affect each other’s absorption, so they can be taken at the same time in the process of use. However, it should be noted that vitamin D and a large number of calcium and zinc when taken together, may also cause hypercalcemia, so take vitamin D and calcium and zinc must follow the doctor’s instructions, not blindly use their own medication.