Ключевые слова: 3d, adenine, ageing, air, antiaging, atom, atomic, bubble, c11h15n2o8p, cell, chemical, chemistry, composition, compound, drawing, energy, formula, glass, illustration, lab, laboratory, medical, medicine, microscope, mitochondria, model, molecular, molecule, mononucleotide, nad, niacin, nicotinamide, nicotinamide mononucleotide, nmn, nucleotide, pellagra, precursor, research, ribose, science, scientific, sirloin, skeletal, structure, transparent, vitamin, vitamin b3,