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).
3. Vegan diets often rely heavily on soy. Soy, soy, the magical fruit. The more you eat, the moreâ¦ your hormones go berserk! 10 years ago, a vegan diet equated to vegetables interspersed with soy milk, soy cheese, soy bacon, soy protein, soy cereal, tofu, and tempeh.Now, the health problems with chronic soy consumption are becoming more mainstream an d many vegans have reduced their soy consumption.. Vegan diets often rely heavily on soy. Soy, soy, the magical fruit. The more you eat, the moreâ¦ your hormones go berserk! 10 years ago, a vegan diet equated to vegetables interspersed with soy milk, soy cheese, soy bacon, soy protein, soy cereal, tofu, and tempeh.