They are typically administered following an assessment by a qualified healthcare professional
Comprehensive Psychiatry
The NHS treatment page lays it out clearly: Loading phase (no neurological symptoms): 1mg every other day for two weeks, or until symptoms stop improving
Recognizing B12 Deficiency Symptoms Its important to know the signs of vitamin B12 deficiency

Key Research Areas for 5-Amino-1MQ NNMT enzyme inhibition assays IC50 characterisation, selectivity profiling, and 1-MNA production quantification NAD+ salvage pathway studies nicotinamide flux, NMN and NAD+ pool modulation in vitro SAM/SAH methyl-donor pathway research epigenetic methylation capacity and histone modification studies Adipocyte biology lipogenesis suppression, adipocyte size, white adipose mass, and lipid storage pathway studies SIRT1 and SIRT3 activation and downstream pathway research insulin sensitivity, gluconeogenesis, mitochondrial function Skeletal muscle function and sarcopenia pathway research muscle strength, endurance, and mitophagy-related studies in aged models Gut microbiome modulation research in diet-induced obesity models Cancer cell biology NNMT-overexpressing cell line studies, anti-proliferative pathway investigations Cardiovascular metabolic pathway research homocysteine, SIRT activity, NF-B and STAT3 inflammatory signalling Comparative NNMT inhibitor studies 5-Amino-1MQ vs

A patient feels tingling in the ring and little fingers, pressure along the inner elbow pathway or loss of grip strength when carrying a bag