Dietary and nutritional supplements containing nicotinamide adenine dinucleotide (NAD) precursor and promoter ingredients; Plant extracts containing nicotinamide adenine dinucleotide (NAD) precursor and promoter ingredients for medical, veterinary and pharmaceutical purposes; Plant extracts containing nicotinamide adenine dinucleotide (NAD) precursor and promoter ingredients for pharmaceutical purposes; Plant and herb extracts containing nicotinamide adenine dinucleotide (NAD) precursor and p...