Thoroughly revised and updated, Handbook of Vitamins highlights the recent research in vitamins and gene expression, vitamin-dependent genes, and vitamin effect on DNA stability. This fourth edition includes new chapters on vitamin-dependent modification of chromatin, analysis of vitamin metabolism using accelerated mass spectrometry, and dietary reference intakes for vitamins. Featuring contributions from international experts, it encompasses classical and modern approaches to vitamins, focusing on human nutrition, vitamin analysis, and vitamin action at the molecular level.