what size needle for b12 injection in arm Injection? Is this the right size

Deficiency of vitamin B12 may cause tiredness, weakness, constipation, loss of appetite, weight loss and megaloblastic anemia (a condition when red blood cells become larger in size than normal)

NNMT Inhibition, NAD+ & Obesity/Type 2 Diabetes Pathway Review (PMC, 2021) 5-Amino-1MQ as a Validated Research Tool for NNMT-Linked Metabolic Pathways A comprehensive review of NNMTs roles in obesity and type 2 diabetes published in BioMed Research International and indexed on PubMed Central evaluated 5-Amino-1MQ alongside other NNMT inhibitors

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While lipotropic injections primarily support metabolism and energy production, GLP-1 treatments focus on appetite regulation, portion control, and calorie reduction through hormonal pathways