Metformin is commonly thought to block FXR function through an AMPK-mediated process, resulting in reduced bile acid absorption in the ileum
The article says licensed 503A compounding pharmacies use niacinamide to extend shelf stability and maintain bioavailability, and describes this as distinct from mass-manufactured formulations, where stability is achieved through different manufacturing scale and cold-chain infrastructure
Discuss symptoms with your provider, who may recommend dietary changes, hydration support, or temporary dose adjustments before considering discontinuation
Yes, for most patients with well-controlled autoimmune thyroid disease
If a practice lacks this capacity, patients may be better served by weight management specialists or other providers with dedicated GLP-1 programs
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