We get Vitamin D from the sun. Our average outdoor time is 7%! Not enough time to get sunshine vital for regulating calcium and phosphorus absorption and facilitating normal immune system function (COVID & more). Also, we are advised to avoid the sun at all costs because of skin damage and cancers. Add living north of the 45th parallel where it’s physically impossible to get enough sunlight, what to do? Twenty minutes of red light therapy synthesizes the all-important vitamin D. The treatment is non-invasive and painless, it is completely safe to use. Studies show overwhelming support its effectiveness.