Do not take Vitamin B12 Injection if you are allergic to Vitamin B12, cobalt, or any other ingredients in the tablets, have hereditary optic atrophy (loss of some or most of the nerve fibers in the optic nerve)
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The FDA subsequently classified AOD-9604 within Category 2 of the bulk drug substance review process, and the compound was later withdrawn from that nomination in April 2026
Ming Zhang, Wenjuan Han, Sanjue Hu, and Hui Xu*
AOD-9604 is currently sold for research purposes only and lacks regulatory approval from any major health authority worldwide