Are you suffering from a vitamin D deficiency? Thats not so unlikely – especially during the winter months or if you spend a lot of time indoors. Vitamin D is primarily produced through sunlight in the skin, and thats precisely whats often lacking in our daily lives. With our at-home vitamin D test, you can easily and discreetly find out your vitamin D levels. A simple finger prick is all it takes to collect a dried blood spot sample. You send this to our medical laboratory free of charge. Shortly after, youll receive your medically validated test results with an easy-to-understand interpretation in a secure online area