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T.MaoN.et al (2020a)
Additionally, many studies have been conducted outside the UK, and results may not directly translate to NHS patient populations
Your body uses vitamin B12 to make red blood cells and keep your heart, brain, and nervous system functioning optimally ( If left untreated, vitamin B12 deficiency can lead to irreversible nerve damage, which makes a delayed diagnosis particularly worrisome ( Your body uses folate and vitamin B12 similarly, meaning that a deficiency in either can cause similar symptoms
Drugs that decrease or reduce absorption of B12: antibiotics, cobalt irradiation, colchicine, colestipol, H2-blockers, metformin, nicotine, birth control pills, potassium chloride, proton pump inhibitors
Redox Biol (2015) 4C:3405.10.1016/j.redox.2015.01.006 33 BatraSKumarRKapoorAKRayG