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People taking medications that interfere with B12 absorption, including metformin or long-term acid-reducing medications, often benefit from injections
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
We are unable to guarantee which brand will be available at the time of order shipment
Use sterile, single-use equipment only
tablets rely on gut function
Contact our team to adjust your prescription
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