Vitamin E and B vitamins can be taken together and the two do not affect each other. Vitamin E is a fat-soluble vitamin with antioxidant properties, but vitamin E should not be used in excessive amounts over a long period of time, as it may cause symptoms of toxicity such as muscle weakness and blurred vision. Vitamin B is a water-soluble vitamin that helps metabolize fats, sugars, and proteins to release energy and produce nutrients needed in the blood. Vitamin E and B vitamins are both nutrients needed by the body, and when taken together they do not interfere with each other’s absorption. Note that vitamin E and vitamin B need to follow the doctor’s instructions, do not take on their own, usually need to eat a balanced diet, to ensure that a comprehensive, adequate nutrition.