Why is Yellow Urine Caused by Bariatric Vitamins Understanding the Spectrum of Urine Colors: What Your Pee May be Telling You Figure 3 from Quantification of chromatographic effects of vitamin B supplementation in urine and implications for hydration assessment. Semantic Scholar Does neon urine signal a vitamin overdose? Why Is My Urine Yellow After Taking Vitamin B? Understanding Your Urine Color for Better Hydration