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Intramuscular (IM) Injection: A quicker, targeted approach

PLoS ONE 8:e76194

Moreover, alcoholics may experience reduced intestinal absorption of vitamin B 12 (2), and individuals with acquired immunodeficiency syndrome (AIDS) appear to be at increased risk of deficiency, possibly related to a failure of the IF-B 12 receptor to take up the IF-B 12 complex (3)

Sonicated cells were centrifuged to obtain whole-cell lysates, and protein concentrations were determined using the Pierce BCA Protein Assay Kit (Thermo Fisher Scientific)

Supplements containing collagen peptides also go by other names, including hydrolyzed collagen and collagen hydrolysate

NNMT is nicotinamide N-methyltransferase, an enzyme that uses a methyl donor to convert nicotinamide into 1-methylnicotinamide