If youre pregnant, have certain health conditions (like kidney disease or blood disorders), or are already taking supplements, your doctor might suggest a different approach
Red flags include no intake form, no mention of a supervising physician, aggressive upselling during the appointment, and providers who cannot explain what form of B12 they are injecting or why
The usual daily recommended amounts of methylcobalamin, vitamin B12 either through dietary intake or supplementation should be taken during pregnancy (see Dosage)
Molecular Microbiology
New Trends Med Sci 1:9499 Yoshioka H, Nonogaki T, Ohnishi H et al (2018) 1O, 20O-diacetyl kamebakaurin protects against acetaminophen-induced hepatotoxicity in mice
Last reviewed: May 30, 2026 Last updated: May 30, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations