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NNMT (nicotinamide N-methyltransferase) is the enzyme 5-Amino-1MQ inhibits, and tissue expression varies significantly across organs: adipose tissue shows 812 higher NNMT activity than skeletal muscle, which is why subcutaneous injection near adipose depots produces localised effects rodent models couldn't predict

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Your doctor may: Monitor serum B12 levels Evaluate homocysteine and methylmalonic acid (MMA) Check complete blood count (CBC) Assess for symptom improvement (fatigue, cognitive clarity, neuropathy) Symptoms like improved energy, mood, and focus typically appear within days to weeks