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This is another scenario where B12 injections provide a more direct and reliable method for restoring your levels
The key is little and often
No other medications or vitamins have worked for me like this one
Rather than directly supplying NAD+ precursors (like NMN or NR), it works by blocking an enzyme that consumes nicotinamide, theoretically preserving the substrate pool for endogenous NAD+ production
Why are doctors stopping B12 injections
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