Vitamin D3 4000 IU from the Marnys Vitahelp Line provides a content of 100 µg (4000 IU), in easy-to-swallow capsule format. Form of vitamin D Cholecalciferol The form of vitamin D in this Vitamin D3 4000 IU is the D3 form (cholecalciferol). 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, in addition to normal blood calcium levels. - Contributes to the normal function of the immune system. Vitamin D3 4000 IU is recommended for people who want: - Maintain muscle and immune function. - Maintain your bone 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. How to use Take 1 capsule once a day.