Can light lamps generate vitamin D?

Light therapy lamps, specifically designed for that function, do not make vitamin D. They are deliberately manufactured to filter out the ultraviolet B (UVB) part of the light spectrum. Your body makes vitamin D when the UVB part of sunlight between 290 and 315 nanometers strikes your skin. Since therapy lamps filter out that range before you get to them, no vitamin D is produced in your skin.

Vitamin D creation requires the same UVB rays that light therapy opts not to shine through. When those rays strike your skin, they transform cholesterol into vitamin D3, defending cells with a stellar biochemical reaction. Medical devices guard against these wavelengths to avert DNA damage and skin cancer. This is the very reason they cannot be used for vitamin D production.

Alternative sources are needed to maintain our vitamin D levels. Sunlight is the most effective way to increase vitamin D production in our bodies. Additionally, vitamin D can be obtained through our diet (in fatty fish and fortified foods) or with vitamin D supplements to provide the boost we need when we don't have access to sunlight. A blood test will tell you how much you need.

Medical UVB lamps for vitamin D therapy. Prescription UVB lights that emit variable wavelengths of UVB light for dermatological use by a qualified medical professional. These lights are used to combat severe vitamin D deficiency when other approaches aren't effective. Do not confuse this with regular phototherapy machines, and ensure you're always under the supervision of a qualified medical professional.

Despite its deficiency in vitamin D, light therapy offers numerous benefits. It effectively helps regulate mood and manage skin conditions. Know the purpose of each, and do not expect them all to perform all tasks. For optimal health, strategic sun exposure and a balanced diet are essential.

Read the full article: Light Therapy: Benefits, Types, and Uses