Allergy, Vitamins Second look: Again U-shaped vitamin D effects 27.08.2023 admin It is again an U, no doubt. https://www.doi.org/10.1159/000531970 we have now at least 36 studies… 36 vitamin D: U-shaped associations Related posts: A, then E, then B, then D, and then again E| Once again genetic testing| Tolerogenic effects of vitamin D?| Dual vitamin D effects on type 1 diabetes and allergy| Handout text 2011 AAAAI Seminar San Francisco Vitamin D deficiency|