Look for third-party testing (certificate of analysis), domestic US shipping (faster, fewer customs issues), and a verifiable track record
The absence of effects on IGF-1, glucose metabolism, and tissue growth means AOD-9604 avoids many common growth hormone side effects including edema, joint pain, glucose elevation, and concerns about cell proliferation
As absorption is reduced, body stores become low and a deficiency occurs Underlying diseases most commonly include: IBD (inflammatory bowel disease) Intestinal cancer (especially small cell lymphoma) Liver disease Pancreatitis and other pancreatic diseases Symptoms of low B12 levels Typically found in middle-aged or older cats that present with: Weight loss Diarrhea Vomiting Anorexia Thickened intestines In humans, B12 deficiency may also be associated with dementia, cardiovascular disease, and a certain type of anemia, although these are not specifically recognized problems in cats
If you are undergoing cancer treatment, consult your oncologist before starting any injectable therapy
They also play a part in the release of energy into the body by metabolizing carbohydrates, fats, and proteins
Moreover, it is very rare that any forms of vitamin B12 are found in plant-based foods, making a dietary supply of B12 difficult for vegans to obtain (see here: Vitamin B12 for Vegetarians and Vegans)