Blackmores Vitamin D3 1000 IU can assist in building and maintaining healthy bones. Vitamin D3 helps the absorption of calcium and supports immune system health and healthy muscles. Blackmores Vitamin D3 1000 IU is a one a day dose of Vitamin D3 to help absorption of calcium and a diet deficient in calcium can lead to osteoporosis in later life. It is suitable for adults and supports muscle strength. Key features include a one a day capsule that supports immune system health. Directions for use: take 1 capsule a day with a meal or as professionally prescribed. Always read and follow the directions for use. If symptoms persist, consult your health professional. Contains soy bean products and sulfites. If you have any pre-existing conditions or are on any medications, always talk to your healthcare professional.