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Derived from a protein found in human gastric juice, purpose-built for the gastrointestinal lining

For best results, use the serum twice daily, once in the morning and once at night

Prepare small aliquots to minimize freeze-thaw stress

Discussion This review covers the importance of maintaining NAD + levels for cellular homeostasis and mitochondrial maintenance, as well as evaluating established and novel NAD + boosting strategies from simple supplementation of precursors to modulation of enzymes by drugs

Despite a small sample size of 48, these findings need further validation

2011;6 doi: 10.1371/journal.pone.0019414