Recently, it has been suggested that MMP-9 may also play an important role in angiogenesis
Its action of activating the AMPK pathway directly mirrors the cellular response to physical exercise, promoting benefits like improved insulin sensitivity and fat oxidation
Most of that is marketing, not clinical care
Vitamin injections can also prove beneficial for patients with certain symptoms and conditions, such as chronic pain, fatigue, headaches, insomnia, allergies, digestive problems, asthma, and diabetes
Rowe for critical assessment of the paper
"Your body will use what it wants and eliminate the rest." If you're interested in taking a B12 supplement, it's a good idea to talk to your doctor first because B12 supplements can interact with some medications like chloramphenicol (a type of antibiotic) and metformin (which is used to treat diabetes) or simply may not be necessary for you