[DOI] [PubMed] [Google Scholar] Fleischhacker A
They dissolve in water and do not build up in the tissues, so the body can remove excess vitamins in the urine
J Investig Dermatol 139(12):25472550 Strange A, Capon F, Spencer CC, Knight J, Weale ME, Allen MH, Barton A, Band G, Bellenguez C, Bergboer JG (2010) Genome-wide association study identifies new psoriasis susceptibility loci and an interaction between HLA-C and ERAP1
Securing insurance approval typically requires: Thorough documentation of SFN diagnosis with objective testing Evidence of failure with conventional treatments Documentation of suspected immune-mediated mechanisms Letters of medical necessity detailing the rationale and expected benefits Sometimes peer-to-peer reviews between the prescribing physician and insurance medical directors In my practice, I've found that patients with documented autoimmune comorbidities or specific autoantibodies generally have better success with insurance approval than those with idiopathic SFN, even when symptoms and presentation are otherwise similar