What can cause rust-colored urine

If the urine suddenly turns colored

Colored urine - what to do

Food supplements (NEM) or their ingredients are sometimes very intense in color. If these pigments are excreted in the urine, it can lead to a harmless discoloration of the urine. Almost all colors can be represented, neon yellow, orange, red, purple, brown or even green. The coloration can even differ from person to person, depending on the respective metabolism and the pH of the urine. For some people, even eating beetroot results in pink urine. Others know the typical smell of urine after an asparagus meal.

  • If you notice such a discoloration after you have taken a certain food supplement for the first time, you should check the information on the package to see whether it describes such a color effect. Then everything is correct.
  • If it doesn't, watch out for other symptoms. Do you feel well or do you feel slightly ill or have problems urinating? Could any reddish discoloration be blood? Is the urine not really clear, but cloudy? Then go to the doctor to be on the safe side. This also applies to persistently dark urine.
  • Be sure to tell the next time you visit your doctor that you are taking dietary supplement XY and that it would stain your urine. The best thing to do is to bring the pack with you.

Which ingredients can be responsible?

Becomes excess Vitamin B2 When excreted by the body, the urine can appear intensely yellow or orange. At Vitamin B12 / Hydroxycobalamin a red color is described. This is especially true when large quantities are taken to remedy a deficiency (e.g. with vegans). Overall, can be highly dosed B complex vitamins (also in multivitamin products) lead to a bright yellow color to neon green, which however disappears again in the course of the day.

Vitamin D may also cause yellowing.

Deep red fruits and vegetables or their extracts as well as the dark red-purple colored ones Anthocyanins (e.g. in maqui, blackberries, blueberries or aronia but also that Betaine (Beetroot) can lead to a red / pink / red-brown color.

Carrot extracts or Beta carotene, but also asparagus products ("dehydrating agents") can show up as orange to blue-green urine.

Rhubarb (and others Anthraquinone-Containing plants such as aloe can leave traces, so that the urine looks pink to yellow-brownish like tea.

Iron can turn the urine red-brown to black.

Last but not least, it can also be food coloring that becomes noticeable after a while when urinating. These include especially the blue representatives like Brilliant blue FCF (E 133), indigotine / indigo carmine (E 132) or patent blue V (E 131). If the urine is acidic, they may give it a greenish color. - You can find out whether these have been used in the list of ingredients.

Ayurvedic food supplements and those that come from the field of traditional Chinese medicine (TCM) and were imported directly from Asia or brought back from vacation can also contain dyes that are not approved for food in Europe, such as Methylene blue contain. Here, too, there may be green discolouration.

Even substances illegally contained in slimming products / dietary supplements for weight loss, such as phenolphthalein (pink), which is considered carcinogenic, or the medicinal substance sennes (red-brown) lead to discoloration of the urine.

Stool discoloration

Some supplements can also cause discoloration of the faeces. Mostly it's a question of the amount. Beta-carotene can be the reason for an orange tint, iron or activated carbon for black, turmeric for yellow or chlorophyll (e.g. in spirulina or leaf or grass powder) for dark green.

Beetroot powder (red) and blueberry powder (black) can also cause changes in color. The Sennes mentioned above can turn the stool yellow, as can the fat blocker Orlistat. Colorings in food can also have an influence.




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