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Adequate levels support focus, memory, and normal nerve sensation

Biomarkers correlating the lower IGF-1 concentration to increased waist-to-hip ratio or to impaired glucose tolerance are also being studied [224, 225]

Allergic reactions to NAD+ are extremely rare, but as with any injectable substance, there is a remote possibility of hypersensitivity

Combined NNMT inhibitor treatment with reduced-calorie diet achieved 6.3 g cumulative weight loss versus 2.9 g with diet alone, and fat mass reduction was ten-fold greater with treatment (~29.3%) compared to diet switch alone (2.9%), while restoring fatty liver profiles to lean-control levels (Sampson et al., 2021)