Your urine color can say a lot about your health. The yellow tint we associate with typical urine comes from a pigment called urochrome, a byproduct of breaking down hemoglobin. The lighter What is Your Pee Color Telling You KeyNutrients Key Nutrients Why You Shouldn't Worry About High Vitamin B12 Levels AgelessRx Figure 3 from Quantification of chromatographic effects of vitamin B supplementation in urine and implications for hydration assessment. Semantic Scholar Urine Colour Variations in Pregnancy: Causes and Concerns PDF] Quantification of chromatographic effects of vitamin B supplementation in urine and implications for hydration assessment. Semantic Scholar