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Although a direct causal link between NAD+ supplementation and cancer progression has not been proven, experts recommend that patients with an ongoing cancer or a history of cancer only consider NAD+ therapy with clearance from their oncologist

For the majority of people, I recommend once weekly for 4 weeks

It's estimated that between 10 percent and 30 percent of people older than 50 produce too little stomach acid to release B12 from its carrier protein in foods

However, it is always recommended to consult with a healthcare professional before starting any new supplement regimen

The process typically involves a consultation with a healthcare provider and blood tests to confirm a deficiency