@esal Welcome to Mayo Clinic Connect!

I just looked at my bottle of Rena-Vite tablets. There is no yellow dye listed on the label. Attached is a screen shot of the label. I am wondering what you might have been looking at?
< img src="https://hargravesotc.com/cdn/shop/files/Rena_Vite_by_Cypress_Info_150x150.jpg;
Ginger