N-methylnicotinamide is a metabolite of niacin (or nicotinamide) and is commonly found in human urine. However low levels of urinary excretion of N-methylnicotinamide indicates niacin deficiency. In patients with liver cirrhosis nicotinamide methylation is increased leading to a rise in urinary N-methylnicotinamide. N-methylnicotinamide has been found to be a microbial metabolite.

GLP-1 (7-36) amide is a peptide hormone released from intestinal L-cells upon nutrient consumption.

Hydroxocobalamin (Standard) is the analytical standard of Hydroxocobalamin. This product is intended for research and analytical applications. Hydroxocobalamin (Vitamin B12a) is an injectable naturally occurring form of vitamin B12 with a favorable adverse effect profile, used as a dietary supplement in the treatment of vitamin B12 deficiency including pernicious anemia.