Premium D3 – Effective support for your body, every day Puhdas+ Premium D3 vitamin is a versatile and easily absorbed dietary supplement that combines vitamins D3, K2 and A with omega-3 fatty acids in a single capsule. A perfect choice when you want to support your body’s well-being in a simple and effective way. Vitamin D contributes to the normal function of the immune system, helps maintain normal bones and teeth, and supports normal calcium absorption. Vitamin K contributes to normal blood clotting, and vitamin A helps maintain normal vision.