It is thought to interact with beta-3 adrenergic receptors, which are involved in regulating fat metabolism
NNMT (nicotinamide N-methyltransferase) catalyses the methylation of nicotinamide using S-adenosylmethionine (SAM) as the methyl donor, producing 1-methylnicotinamide (1-MNA) and S-adenosylhomocysteine
Available from: Vitamin B-12 [Internet]
According to the Office of Dietary Supplements at the National Institutes of Health, the average adult age 19 or older needs 2.4 mcg of B12 daily (or 2.6 mcg for pregnant women and 2.8 mcg for women who are breastfeeding)
If your body does not have sufficient B12, then it cannot make energy and so therefore you are weak, tired, or unfocused
Vitamin B12 is crucial to the health of your cats immune system, nervous system, and digestive system