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3 Another study showed that vitamin B12 levels were significantly lower after 4 months of treatment with isotretinoin for acne vulgaris

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2) This study conducted by Yue explored the protective effects of the synthetic peptide Epitalon on mouse oocytes undergoing post-ovulatory aging during in vitro culture

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Individuals with conditions such as pernicious anemia, gastrointestinal disorders, or post-surgical digestive changes may lack sufficient intrinsic factor, making oral absorption inefficient