It aids in the production of energy (ATP), and it helps make the oxygen-carrying protein hemoglobin in red blood cells, which also influences energy levels
A local injection-site reaction Intramuscular injections can leave the area sore, red, warm or slightly swollen for a day or two
Prescriptions and a medical evaluation are required for certain products
At 12 months, the average weight loss was 15.3% with GLP-1+GIP and 8.3% with GLP-1 agonists
If you have pernicious anemia, make sure youre using the methylcobalamin form of B12
Deficiency in vitamin B12 may cause anemia, fatigue, muscle weakness, intestinal problems, nerve damage, and mood disturbances