The chemical reactions and pathways resulting in the breakdown of nicotinamide adenine dinucleotide, a coenzyme present in most living cells and derived from the B vitamin nicotinic acid; catabolism may be of either the oxidized form, NAD, or the reduced form, NADH.
NADH metabolic process +
NADP catabolic process
negative regulation of NAD metabolic process +
negative regulation of purine nucleotide catabolic process +
positive regulation of NAD metabolic process +
positive regulation of purine nucleotide catabolic process +
purine deoxyribonucleotide catabolic process +
purine ribonucleotide catabolic process +
regulation of NAD metabolic process +
regulation of purine nucleotide catabolic process +