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Vitamin B12 is vital for energy, nerve function, and red blood cell production

doi:10.1136/bmj.333.7564.385

Individuals with vitamin B12 deficiency Those following vegetarian or vegan diets Individuals with malabsorption issues, like Crohns disease or celiac disease Individuals experiencing chronic fatigue By increasing B12 levels, vitamin injections provide a steady energy boost without the crashes associated with caffeine or sugary energy drinks

Vitamin B12 is water-soluble, meaning your body will typically eliminate any excess through urine

Most people find these effects diminish over time as the body adapts, but the initial adjustment period can be genuinely unpleasant

Together, they also support the longevity of fibroblasts through interaction with growth hormone, leading to improved tissue repair and regeneration