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Abstracts were independently screened by two pairs of authors (FS, JTYH, SKSC, GS)
High-dose vitamin B12 injections can cause immunologically induced skin reactions, which is why an amount adjusted to the individual blood level is recommended for supplementation among vegans to avoid possible vitamin B12 side effects
40 XuL.GongC.LiG.WeiJ.WangT.MengW.et al (2018)
Collagen type I (300mg): Tng lin kt t bo da, gip da n hi v cng mn
Weeks 1-4: Bacterial inhibition strong
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