NFA, an NDSRI derived from folic acid, and thus from a more complex molecule, has now been classified as non-mutagenic impurity (NMI) by the EMA, as it tested negative in an in vivo mutagenicity study (European Medicines Agency 2026)
These patients often have leptin resistance or blunted satiety hormone signaling, meaning their brains don't receive adequate fullness signals from normal eating
Future research should aim to validate these findings across larger and more diverse populations, including patients using GLP-1 RAs for weight loss and symptomatic individuals, and develop standardized protocols integrating GLP-1 therapy, fasting, and POCUS into routine preprocedural care [8,9,10,11,12,13,14]
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