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Future investigations must prioritize product verification, dose characterization, and adverse event surveillance before efficacy can be responsibly evaluated

Too early to tell if injections are working

Patients should be cautious with internet sellers, research-only products, and vendors that do not provide patient-specific prescriptions, licensed pharmacy labeling, clinician oversight, or clear dosing instructions

Temporary skin darkening (hyperpigmentation) can occur, especially in those with darker skin tones and those with tanned skin, but this side effect is uncommon if specialized lasers for darker skin are utilized

The plateau emerges when another bottleneck becomes dominant

How to Prepare for a Safe B12 Injection Getting ready for your B12 injection is all about setting yourself up for a smooth, comfortable, and safe experience