* Are essential to red blood cell formation
Explore Move into detailed research Use related articles, citations, and category pages to keep researching the safest fit
Some patients have also experienced a hypersensitivity reaction following intramuscular injection that has resulted in anaphylactic shock and death
Extreme caution is advised in patients with epilepsy, advanced age, or chronic pulmonary disease because hypoxia and acidosis lower the seizure threshold and potentiate cardiotoxicity
Those suffering from B12 deficiency have been known to have lower than normal bone mineral density, which can lead to osteoporosis over time
Peptides work best with proper nutrition, exercise, adequate sleep, and stress management