Madder

How does Madder work?

The chemicals in madder might help prevent kidney stones.

Are there safety concerns?

Madder is considered unsafe. The chemicals in madder may cause cancer. It can also cause red colored urine, saliva, perspiration, tears, and breast milk.

Do not take madder if:
  • You are pregnant or breast-feeding. It can harm the baby.

Dosing considerations for Madder.

The appropriate dose of madder depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for madder. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.


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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.