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b12 drink injection Out of Stock - VITAMIN (Generic) Injectable Solution, 1000-mcg/mL, 100-mL vial - Easy Refills Vitamin B12 (3000 mcg/ml) [250
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C.AureliF.MannaL.BorioniA.MaccelliA.RaimondoM.et al (2024)

Severe nerve damage may take several months to improve noticeably

Sommer N., Christophsbad Gppingen, Department of Neurology

Oral B12 supplements are typically effective, though in some cases sublingual (sprays) or injectable forms may be recommended
