Amino acids are molecules used by all living things to make proteins
Vitamin B12 in human colostrum and milk: quantitation of the vitamin and its binder and the uptake of bound vitamin B12 by intestinal bacteria
Obviously, theres major limitations to this
Methylcobalamin B12 is also indicated in those with pernicious anemia, diabetes, neuropathy, heart disease, circadian rhythm sleep disorders, memory loss, depression, fatigue, AIDS, inflammatory bowel disease (IBD), Lyme disease, osteoporosis, tendonitis, psychiatric disorders, Alzheimers disease, liver and kidney disease, and asthma
Bacteriostatic Water is supplied in a sterile sealed vial for laboratory research environments and controlled sample preparation workflows
Intramuscular injections can be more uncomfortable than subcutaneous ones as the needle penetrates deeper into muscle tissue