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That's a meaningful body of circumstantial evidence, but it's not the same as clinical proof of efficacy in humans
A vitamin B12 deficiency can develop slowly and symptoms may include: Persistent tiredness or low energy Shortness of breath Pale skin Pins and needles Memory or concentration difficulties If left untreated, deficiency can lead to more serious neurological complications
For adults in the UK, the standard dietary reference intake is 1.5 micrograms (g) daily for maintenance of normal health
Encourages the body to produce more collagen and supports overall tissue regeneration
Vitamin B12 injections can be a game-changer for people struggling with fatigue and low mood
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