維他命B12一定要選擇甲基型的嗎？為什麼B12血液濃度不能太高？｜A Deep Dive Into Vitamin B12

維他命B12是個複雜又充滿神秘感的維他命，今天讓我們一起來弄清楚。

本影片目的是傳達醫療知識，張醫師不會在網路上進行問診跟看診，也無法在這裡開立處方或給予特定醫療建議。請大家若有醫療需求，可以尋找適合的醫師。跟張醫師預約門診，請聯繫「張適恆醫師」的官方Line帳號，謝謝大家：
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參考資料
Plasma Vitamin B12, Supplementation and Mortality 
https://academic.oup.com/biomedgeront...
Association of High Intakes of Vitamins B6 and B12 From Food
and Supplements With Risk of Hip Fracture Among Postmenopausal Women in the Nurses’ Health Study
https://jamanetwork.com/journals/jama...
Vitamin B12 supplementation and vitamin B12 blood serum levels: evaluation of effect modification by gender and smoking status
https://pmc.ncbi.nlm.nih.gov/articles...
Persistent elevation of plasma vitamin B12 is strongly associated with solid cancer
https://www.nature.com/articles/s4159...
Association of dietary intakes of vitamin B12, vitamin B6, folate, and methionine with the risk of esophageal cancer: the Japan Public Health Center-based (JPHC) prospective study
https://pubmed.ncbi.nlm.nih.gov/34470...
甲基丙二酸血症併高胱胺酸血症
https://www.tfrd.org.tw/tfrd/rare_b/v...
Association between serum vitamin B12 and risk of all-cause mortality in elderly adults: a prospective cohort study
https://bmcgeriatr.biomedcentral.com/...