Eating vitamins yellow urine color, mainly vitamin B2 can cause yellow urine color, vitamin B2, also known as riboflavin, is a variety of coenzymes in the body’s constituent parts, involved in the metabolism of a variety of substances. If vitamin B2 deficiency, patients may appear oral, scrotum, skin and other parts of the inflammation, need to be supplemented with vitamin B2. oral vitamin B2 dose is often greater than the dose of the body’s needs, the excess riboflavin will be metabolized through the kidneys into the urine, so eating vitamins will lead to the urine appears to be yellowish-green color, which is a normal phenomenon, do not have to worry about. Generally in two hours after taking the medicine vitamins can enter the kidneys, this part will usually be directly from the urine, as long as you drink more water to dilute it can be. Be reminded that vitamins are not as good as they are, but should be taken in moderation. Allergies to vitamins are prohibited, and the drug should be applied under medical supervision.