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(2018) 16:e2003714
People with these genetic changes might need different doses to get the best results
If you want to learn more tips on maintaining optimal hydration between sessions, ask your provider
the MHRA advises checking vitamin B12 levels if deficiency is suspected and considering periodic monitoring in those with risk factors [6] Chronic alcohol consumption can damage the gastric mucosa and impair absorption Nitrous oxide exposure (including recreational use) can inactivate vitamin B12 in the body, causing functional deficiency and neurological symptoms If you experience symptoms such as unexplained fatigue, pale skin, shortness of breath, neurological symptoms (tingling, numbness, balance problems), mood changes, or cognitive difficulties, contact your GP promptly
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