Yellow Lupin

Other Name(s):

Altramuz Amarillo, Hasenklee, Lupin Jaune, Lupinus luteus.


Yellow lupin is an herb. The seeds and other parts that grow above the ground are used to make medicine.

Despite serious safety concerns, people take yellow lupin for urinary tract disorders, fluid retention, and worms.

Yellow lupin is sometimes applied directly to the skin for skin ulcers.

How does it work?

There isn't enough information to know how yellow lupin might work.

Uses & Effectiveness

Insufficient Evidence to Rate Effectiveness for...

  • Urinary problems.
  • Worms.
  • Fluid retention.
  • Skin ulcers, when applied to the skin.
  • Other conditions.
More evidence is needed to rate the effectiveness of yellow lupin for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).


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Side Effects

Yellow lupin seems to be UNSAFE when taken by mouth. Taking yellow lupin can cause vomiting, excessive saliva, swallowing problems, heart problems, paralysis, and breathing problems. Breathing problems can be severe enough to cause death.

Poisoning, known as “lupinosis,” has been reported in grazing animals. The poisoning is due to the presence of mycotoxins that are produced by a fungus that sometimes lives in lupins.

There isn't enough information to know whether yellow lupin is safe when applied to the skin.

Special Precautions & Warnings

Pregnancy and breast-feeding: It's UNSAFE for anyone to take yellow lupin by mouth. If you are pregnant or breast-feeding, you have extra reasons to avoid using it.


The appropriate dose of yellow lupin 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 yellow lupin. 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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Reviewed on 6/14/2021

Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

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