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Mott, D

Common Side Effects Some people may experience mild side effects from vitamin B12 injections, including pain or redness at the injection site, mild diarrhea, or itching

And here's why it's a good idea

Frataxin deficiency is associated with imbalances in iron-sulfur containing proteins, mitochondrial respiratory chain dysfunction and lower ATP production, and accumulation of iron in the mitochondria, which increases oxidative stress and oxidative damage to macromolecules of the respiratory chain (77)

Its development could significantly expand the therapeutic options available for patients who need both effective weight loss and improved metabolic health