Ostelin Vitamin D3 1000IU provides a daily dose of vitamin D3, the form found naturally in the body, in a small, easy to swallow capsule. Vitamin D is a key nutrient which supports general wellbeing as it; ? Maintains bone strength and muscle function ? Helps boosts calcium absorption ? Supports bone mineralisation ? Maintains healthy immune system function Vitamin D is made in the skin when exposed to ultraviolet light from the sun. Vitamin D is difficult to obtain from diet alone as not many foods are rich in vitamin D. People who have an indoor lifestyle or who always wear sun protection have been found to be low in vitamin D. Ostelin Vitamin D3 1000IU maintains vitamin D levels in the body. Dosage Adults and children over 12 years of age: Take 1 capsule daily with a meal or as directed by your healthcare professional. Suitable for People with low vitamin D levels who want to maintain bone strength and healthy immune system function. Always read the label and follow the directions for use.