can you take b12 injections weekly How Often Get a Shot for Maximum Health? B12 Shots Side Effects And

### Regulatory Status and Availability **AOD-9604:** - Never received FDA approval for any indication - Classified by the FDA as a **Category 2 bulk drug substance** not eligible for compounding under Section 503B - Removed from many international peptide supplier platforms (including Alibaba and related marketplaces) - Legal status varies by country

For detailed strategies, see our [guide to preventing muscle loss on GLP-1 medications](/guides/glp1-muscle-loss-prevention-semaglutide-tirzepatide-guide)

Because B12 is water-soluble, it poses a very low toxicity risk

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