Generally, it is best to take calcium and vitamin D supplements with food. Calcium is best absorbed when taken in divided doses (500 mg or less) at mealtimes. Vitamin D is best taken in the morning when the sun is out, as sunlight helps the body to synthesize vitamin D. It is also recommended to take vitamin D with food, as this increases absorption.

Is it better to take calcium and vitamin D in the morning or at night?

It is generally recommended that you take calcium and vitamin D supplements with meals, so it is best to take them either in the morning or in the evening. It is especially important to take these supplements with meals that contain fat, as fat helps your body absorb the calcium and vitamin D better. Additionally, it is recommended to space out the doses throughout the day, so taking these supplements both in the morning and in the evening can be beneficial.