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In animal studies, inhibiting NNMT has been associated with altered energy handling in fat cells and with preserved SAM and NAD availability

Beyond obesity research, 5-Amino-1MQ has also been explored in studies involving regenerative biology, cellular senescence, fibrosis, and cancer metabolism, where NNMT expression has been associated with altered cellular metabolic states

Also, as someone else said, make sure you injectin a different area each time

Your age, health, and lifestyle can change how often you need B12 injections

PMID 25824066

Since vitamin B12 is derived from animal-based sources, individuals who do not eat meat or animal byproducts can experience deficiencies if they do not use supplemental sources