Derivation Web

source_15467034e99544ec

{"contradictions": ["Nicotinamide adenine dinucleotide (NAD+) replenishment has attracted substantial interest as a candidate intervention for age-related functional decline, yet the human evidence base remains fragmented across precursor formulations, populations, and endpoint categories.", "Across the corpus, the sources support the conclusion that oral NAD+-precursor supplementation consistentl…