Supplements and Urine Ask The Scientists Amazon.com: L Glutathione 600mg with Mango Flavour Helping for Glowing Skin, Antioxidants, Skin Lightening,Pigmentation, Tan Reduce for Men & Women 20 Effervescent Tablets : Health & Household The standard color of your urine is referred to by doctors as urochrome. Urine naturally carries a yellow pigment. When you're staying hydrated, your urine will be a light yellow, close to clear color. Why is my urine bright yellow? Get the Gloss Glutathione: The Master Antioxidant Core Med Science Vitamin B supplements, especially those containing riboflavin (vitamin B2), often cause bright yellow or neon colored urine. This happens because excess riboflavin is water soluble and is excreted through urine when the body has