Easy to carry out at home The cerascreen vitamin D test is a sampling and mail-in test kit for home use that determines and evaluates the concentration of 25-hydroxy vitamin D in capillary blood. Just 3 drops of blood are enough to determine the concentration. The sample can then be sent free of charge to a specialist diagnostic laboratory and a detailed report with the results and recommendations will be available in the personal online customer area within a few days. Vitamin D is essential for many processes in the body, which is why a vitamin D deficiency should be avoided. Strengthening of bone structure and prevention of bone softening Strengthening of muscle cells and fibers Reduction in the risk of heart attack and stroke Positive effect on skin and hair The ceracreen vitamin D test kit consists of comprehensive instructions, a blood collection set, a stamped return envelope and an activation card with the test ID for registering the test.