Vitamins D3 and K2 are fat-soluble vitamins. Vitamins D3 and K2 are fat-soluble vitamins. This means that the body can only absorb vitamins D3 and K2 in the intestines in the presence of fat. It is therefore better to take the tablets with foods that also contain fat. Fat-soluble vitamins can be stored by the body, creating a depot effect. The body can therefore release vitamins for a certain time. Made in Germany Made in Germany according to the official HACCP concept Registered with the Federal Office for Consumer Protection and Food Safety Unlimited marketing confirmed by an independent auditor Vitamaze | Amazing life : Vitamin D3 + K2 Natural vitamin D3 can be produced by the body or by the skin itself with the help of the sun. However, various situations lead to poor sun exposure and vitamin D3 deficiency.