Some of the most common side effects of vitamin B12 deficiency include weakness, anemia, constipation, decreased appetite and unintentional weight loss
This amount is modest compared to dietary intake from protein-rich foods or standalone glycine supplements, which often use 3-5 grams daily
Administration and Dosage By slow intravenous injection
The Kraus 2014 Nature Paper: Why Adipose Research Specifically The 2014 Nature paper by Kraus and colleagues (titled "Nicotinamide N-methyltransferase knockdown protects against diet-induced obesity") established the adipose-NNMT connection that anchors all subsequent NNMT-inhibition research in fat biology
from SFGATE People with dietary restrictions, such as vegans or vegetarians, use methyl B12 injections to supplement diets lacking in sufficient vitamin B12
If your target dose requires more than 80 units, consider asking your pharmacy about a higher concentration formulation to reduce injection volume