Vitamin D3 with excellent absorption! The Puhdas+ strong Vitamin D3 capsule is small and easy to swallow. The Vitamin D3 is dissolved in high-quality olive oil, which enhances the absorption of Vitamin D3. Vitamin D contributes to the normal function of the immune system and helps maintain good resistance. Vitamin D contributes to the maintenance of normal bones and teeth, as well as to the normal absorption of calcium.