metformin vs semaglutide for pcos A chart compares 2 popular weight-loss drugs, Ozempic and — from cost to risks and benefits Semaglutide vs Metformin: Key Differences

A 2026 clinical commentary in Functional Medicine noted that unstructured caloric restriction during GLP-1 therapy, particularly when it trends toward processed or nutrient-poor foods, can reduce the substrates needed to support beneficial bacteria like Bifidobacterium, Akkermansia muciniphila, and Lactobacillus species

Circulation 144 , 17951817 (2021)

(2023) demonstrated that moderate Drp1 upregulation in ALS Drosophila models restores physiological mitochondrial distribution within axons, enabling efficient mitochondrial trafficking to nerve terminals and thereby meeting axonal energy demands

Moreover, lactate is a critical energy substrate for astrocytes and neurons, and its dysregulated metabolism in ME/CFS and FM patients may reflect an impaired ability to use lactate effectively for energy (Blanger et al., 2011)