Ключевые слова: a, analyzing, anemia, antiscorbutic factor, ascorbic acid, b, b1, b12, b2, b6, beta carotene, blood, c, chemical, chemistry, coenzyme, cyanocobalamin, d, disease, e, exam, folic acid, food, glutathione, health, healthy, hematology, laboratory, malnutrition, medical, medicine, mineral, nutrient, nutrition, pyridoxal, research, retinal, riboflavin, scientific experiment, supplement, supplementary, test, thiamine, tocopherol, vitamin, vitamine,