Vitamin D3 is converted by the liver and kidney into the active hormone that allows the gut to absorb calcium and the bones to mineralise properly. It also supports muscle and immune function.
Most side effects are mild and settle as your body adjusts. Tell your doctor if any of them persist or trouble you.
150 brands with the same salt and strength — same form first, then cheapest. Pack size and form can still differ, and the same salt does not suit every patient. Please confirm with our pharmacist before switching.
Showing the 40 cheapest of 150 brands.