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It aids in the production of melatonin, which regulates sleep and wake cycles, as well as serotonin, which influences deep sleep and wakefulness
The 2024 NICE NG239 guideline on vitamin B12 deficiency in over-16s lists the main groups who need injections: Autoimmune gastritis (pernicious anaemia)
Sometimes, its your body telling you its low on vitamin B12, a crucial nutrient for nerve function and creating red blood cells
Optimal dosing varies based on individual factors including body weight, body composition goals, and metabolic responsiveness
PMID: 16032049
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