Fat Soluble Vitamins: Growth stimulant. Maintains healthy epithelium. Involved in enzyme systems. Essential to skeletal development. Involved in enzyme systems. Anti-oxidant. Enzyme constituent. Necessary for normal reproduction. Normal clotting of blood. Interrelationships As mentioned earlier, it at least one other nutrient. time. Some of the recognized Nutrient Copper Sodium Phosphorus Calcium Iodine is probable that all nutrients are interrelated with However, information is not this inclusive at this relationships are listed below: Related nutrients Molybdenum Phosphorus Zinc Manganese Iron Cobalt Choline Panothenic Acid Vitamin A Vitamin E Potassium Biotin Phosphorus Carbohydrate metabolism Lipid metabolism Protein metabolism Molybdenum Copper Calcium Vitamin D Iron Manganese Phosphorus Vitamin D Nitrate nitrogen Vitamin A