Plant Cells: Crash Course Biology #6

Effects of Lack of Vitamins and Minerals Human body cannot synthesize most vitamins and minerals. You are supposed to provide these nutrients to your body through healthy diet. There has been an astounding rise in the sale of vitamin and mineral supplements over the last few decades. It is good that more and more people are becoming health conscious but it also suggests that more and more people are suffering from vitamin and mineral deficiencies. Vitamins and Minerals Vitamin A and beta carotene, B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folic acid), B12 (cobalamin), C (ascorbic acid), D (ergo/cholecalciferol), E (tocopherol) and vitamin K (quinones) are the main vitamins required by the body. Aging naturally reduces the capacity of the intestines to absorb vitamins and minerals. Effects of Lack of Vitamins Vitamin A Recommended Daily Intake Men and boys over 10 years: 1000 mcgWomen and girls over 10 years: 800 mcg Vitamin B1 Men: 1.5 mgWomen: 1.1 mg Vitamin B2 Vitamin B3

iCell photosynthesis and cellular respiration