Grains de Grenouille, Herbe aux Canards, Lemna minor, Lenteja de Agua, Lenticule Mineure, Lentille d'Eau, Merde de Grenouille, Petite Lentille d'Eau, Ranouillie.
Duckweed is an herb. The whole fresh plant is used to make medicine.
People take duckweed for swelling (inflammation) of the upper airways, yellowed skin due to liver problems (jaundice), and arthritis.
How does it work?
There isn't enough information available to know how duckweed might work as a medicine.

QUESTION
Next to red peppers, you can get the most vitamin C from ________________. See AnswerInsufficient Evidence to Rate Effectiveness for...
- Swelling (inflammation) of the upper airways.
- Yellowed skin (jaundice).
- Arthritis.
- Other conditions.
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).

SLIDESHOW
Vitamin D Deficiency: How Much Vitamin D Is Enough? See SlideshowThe appropriate dose of duckweed 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 duckweed. 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.

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