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10.1038/s41401-019-0230-z 89 LinC.GuoY.XiaY.LiC.XuX.QiT.et al (2021)
Older people and vegetarians or vegans are also more likely to develop a vitamin B12 deficiency
These researchers employed various psychological and physiological examinations and conducted placebo-controlled experiments under double-blind conditions
While most individuals find it easy to incorporate, some ask: can glutathione cause stomach pain
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