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Serious events (organ toxicity, hormone suppression) have not been documented, but long-term safety data are lacking
The Institute of Medicine reports that no adverse effects have been associated with excess vitamin B12 intake from food and supplements in healthy individuals. However, if youre not deficient in vitamin B12 to begin with or you dont address the underlying reasons you might be deficient, injections likely wont do much to improve overall quality of life
Oxid Med Cell Longev 2019 , 1704650
Consistency is key, and stopping early may reduce benefits
7 Seminal vesicles, prostate gland, and bulbourethral glands
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