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Canthaxanthin.
A different type of sunless tanning pill on the market today lists canthaxanthin, a color additive for food, as an ingredient. The FDA has approved of this substance with use in foods and only small amounts are added. However, as with tyrosine, canthaxanthin has NOT been approved by the FDA. In actuality, to tan with this, you would need large amounts. And the results would likely be an orange-brown- colored tan, and possible side effects; hepatitis or a retinopathic condition with yellow deposits forming in eye's retina.
Elusun.
Another self tanning pill is Elusun, containing betacarotene as an active ingredient. It was produced in France and it was famous a few years ago. This was also a tanning pill passing as a nutritional supplement; those experiencing Elusun were extremely confused about the dosage and about the orange tint they got.
Melanotan-1..
Meanwhile, something also working as a self tanning pill, but containing a synthetic derivative, has been created in the labs. Melanotan-1 is a drug and can induce tanning. The drug derives from the natural hormone which controls skin pigmentation. The tablets should be taken only after the meals throughout the day for optimum absorption. The dosage has to do with body weight, too. It is said that the pigmentation appears no sooner than in two weeks.
The studies regarding melanotan-1 are inconclusive so far. In fact, none of the self tanning pills has been officially introduced and established.
Some people worry about vitamin D deficiency when using sunless tanning products and staying out of the direct sunlight. And they reach for supplements and increase their intake of foods that contain Vitamin D. Others turn to outdoor tanning for longer periods thinking that this will help them benefit more from increased exposure, more vitamin D. However, the scoop is the average person doesn’t need to be out in the sun that long to get the recommended vitamin D amount needed via their body’s absorption. Depending upon genetics, skin coloring, region and climate, for example, a person only needs between five and maybe 10-15 minutes per day, around the middle of the day, three or four times during the week. Less can work for those in warmer, sunnier regions.
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