Deficiencies are less common in developed countries but can occur in people with restrictive diets, alcoholism, or malabsorption
[DOI] [PubMed] [Google Scholar] 247.Van den Bersselaar L.R., Snoeck M.M.J., Gubbels M., Riazi S., Kamsteeg E.J., Jungbluth H., Voermans N.C
Improves Sleep As well as regulating your mood, melatonin also controls your sleeping patterns and if youre suffering from a B12 deficiency, a common side effect is being unable to sleep and then feeling tired throughout the day
(2) M A Heffernan 1, A W Thorburn, B Fam, R Summers, et al (2001) Increase of fat oxidation and weight loss in obese mice caused by chronic treatment with human growth hormone or a modified C-terminal fragment International Journal of Obesity and Related Metabolic Disorders, 2001 Oct, Volume 25 (Issue 10), Pages 1442-9
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