That editorial included a caveat that vitamin D supplementation remained an open area of investigation, particularly in deficient persons but nevertheless concluded that current widespread use [of vitamin D supplements] is not based on solid evidence that benefits outweigh harms. Also last year, a study from Massachusetts General Hospital found that many of the 70 percent to 90 percent of African-Americans diagnosed as vitamin D deficient may actually have healthy levels of the vitamin and are not deficient because they are genetically disposed to carry more of the free form of the nutrient
For instance, a systemic review indicated that zinc sulfate did not significantly aid in treating leg ulcers unless zinc deficiency was evident [551]
Together, they produce a GH elevation greater than either alone, with CJC-1295 human clinical trial data confirming mean GH concentrations increasing 2 to 10-fold and IGF-1 levels rising 1.5 to 3-fold following GHRH-analogue administration
Bowers CY, Momany FA, Reynolds GA, Hong A
10.1016/s0301-0082(99)00060-x Prog
Musquera M, Fleshner NE, Finelli A, Zlotta AR