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Always choose NSF-certified supplements to ensure purity and accuracy

Those with B-12 deficiencies may experience brain fog, memory problems, or mood disturbances, which can be mitigated with regular injections

[1] Other rare side effects noted (mostly in older literature or high-dose use) include: polycythemia vera and peripheral vascular thrombosis in patients receiving repeated injections (though these associations are not well understood, they were listed in prior product literature as possible adverse events)

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A need for NAD+ in muscle development, homeostasis, and aging