Sunbeds are Vitamin D Machines

By Dr. Marc Sorenson, Sunlight Institute A study last year published in the journal DermatoEndocrinology found that standard tanning salon sunbeds are very effective in raising serum levels of vitamin D. Those who used the beds were able to attain optimal levels (more than 100 nmol/L) [40ngml] D during winter. Actually, another earlier study had also showed…