Vitamin D Standards Too Low A worldwide increase to 2,000 IU of vitamin D daily (or higher for some groups) could reduce the incidence of a number of diseases, including multiple sclerosis, cancer, type-1 diabetes, metabolic syndrome, cardiovascular disease and tuberculosis.
Review Source Naturals 5 HTP is one of the many sources I've tried. It was best tolerated at night a few hours after eating, but made me sick to my stomach if I took it before eating in the mornings. The biggest downside to the product is that it is in 50mg capsules instead of 100mg capsules. I have heard great things about Lidtke's l-Tryptophan as well, but have not tried it.
I would definately use Source Natural's 5-HTP is available to me, but prefer LifeLink and Solaray's.
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