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SIRT1 is part of a family of proteins called sirtuins, known as longevity genes. It uses NAD+ as a fuel source to repair DNA, reduce inflammation, and improve stress resistance
Unopened freeze-dried vials can be kept at room temperature or in the refrigerator for short periods with no issue
L.et al (2004b)
Beef liver is the highest in B12
Frequently Asked Questions How long will it take before I feel better
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