7-Dehydrocholesterol has significant absorption of UV light at the lowest wavelengths of light found in sunlight (290-310 nm). Hence the need for full-spectrum lamps to emit UV-B radiation (UV-B light is defined here to be light between 290-315 NM).
In rare cases some vegans might not get enough fat or calories to produce adequate amounts of steroid hormones (which are produced from cholesterol). Two studies have shown vegans to have sex hormones on par with meat-eaters (1, 2), but one report showed vegan women to have lower levels of estrogen (3).
HCLF vegan simply means that you are consuming a high amount of carbohydrates and a low amount of fat, and that youâre diet is vegan. HCLF also certainly does not require eating over 3000 calories a day. I eat around 1400 over under.I hope that anyone who reads this article sees my comment and understands this. know that the response from the HCLF vegan community would be that I didnât eat that way for long enough, or that I âdidnât eat enough fruit,â but my body would not have lasted longer on the diet and I am 100% positive that it was not for me.