Vitamin D3 4000 IU from the Marnys Vitahelp Line provides 100 ?g (4000 IU) in easy-to-swallow capsules. Form of vitamin D Cholecalciferol The form of vitamin D in this Vitamin D3 4000 IU is the D3 (cholecalciferol) form. Source of vitamin D Lanolin The source of vitamin D in this Vitamin D3 4000 IU is lanolin (animal origin). Properties of Vitamin D Vitamin D in capsules Vitamin D provides the following properties (EFSA): - Contributes to the normal maintenance of bones, teeth and muscle function. - Vitamin D contributes to the normal absorption and utilization of calcium and phosphorus, as well as to normal blood calcium levels. - Contributes to the normal function of the immune system. Vitamin D3 4000 IU is recommended for people who want to: - Maintain muscle and immune function. - Maintain your skeletal system, for bone growth in adolescents. - Maintain normal absorption and use of calcium in the body. Advantages - Easy to take, 1 time a day. - Easy-to-swallow capsules. - Suitable for teenagers (over 12 years old) and adults. - 120 capsules, for 4 months. Instructions for use Take 1 capsule once a day.