Chapters: 1. Physiological aspects of vitamin availability -- 2. Laboratory proceedures and some of the analytical techniques used in vitamin determinations 3. Vitamin A and the provitamin A carotenoids -- 4. Vitamin D -- 5. Vitamin E -- 6. Vitamin K -- 7. Thiamin (vitamin B1) -- 8. Riboflavin and other flavins (vitamin B2) -- 9. Niacin and tryptophan -- 10. Vitamin B6 -- 11. Pantothenic acid --12. Biotin -- 13. Folate -- 14. Vitamin B12 -- 15. Vitamin C -- Index