That depends on the type of UV light the booth provides.
UVA (high intensity) = no vitamin D
UVB (medium intensity) = lots of vitamin D
UVB rays also cause burns - so tanning beds tend to turn the UVB output down. You have to check.
Here's a link to an article I found on CBC news when I couldn't find the answer to this question here:
http:/www.cbc.ca/news/background/health/vitamin-d-winter.html
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Vitamin D3 is produced when we are exposed to sunlight. Vitamin D is important in maintaining organ systems. To read about all of the positive benefits of Vitamin D check out Wikipedia.
Tanning in moderation is always considered wise because of the potentially harmful effects that UV light can have on your skin cells.
They do provide a source of vitamin D but it still not 1000% safe yes they do provide a supplemented Vitamin D. Home tanning beds are a great way to supplement your vitamin D source. For help with tanning beds visit the largest tanning bed supplier in the US @ www.mastertanning.com
Ultraviolet
Ultraviolet A (long wavelength) initiates production of vitamin D and melanin (tanning). Ultraviolet B (short wavelength) damages the skin causing sunburns and in some cases cancers.
A tanning unit is a piece of tanning equipment which can be for indoor tanning or sunless tanning applications. Examples would be a tanning bed, a tanning booth or a sunless spray tanning system.
the tanning booth
the tanning booth
"enables" in what way? If you mean production of vitamin D and causes tanning it is UV.
Gary's tanning booth
The tanning bed naturally replicates sunlight so you get the full benefits of natural Vitamin D absorption just by laying in atanning bed instead of heading outdoorshttp://www.tanninzone.com/tanning-salon-davenport-blog/83-benefits-of-artificial-tanning-why-tanning-beds-are-actually-good-for-you.html
Most of the tanning salons now offer an airbrush or spray tanning booth. This is a recent addition due to the fact that tanning beds are linked to skin cancer.
Being black
The girl may want company on her trip to the tanning bed. There are numerous guys who also tan in a tanning booth.