What is a
Water Lentil?

Water lentils are small flowering plants that grow on the surface of fresh water. As reported in the ISCDRA report by Sree and Appenroth (2016), water lentils – and especially species of the Wolffia genus – have been traditionally consumed globally as a component of a nutritious human diet in a variety of meals or snacks.  Along with its long history as a food source in Southeast Asia, water lentils are recognized as an edible vegetable for humans in several databases including the United States Department of Agriculture (USDA 2014), the GRIN database and a database dedicated to tropical species.

Today, water lentils are transforming the food & sports nutrition industries. These little aquatic plants pack quite the punch.


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Types of Water Lentils

There are many different species of water lentils grown all around the world. Here are a few of the most common types:
Lemna minor
L. minor is a fresh water plant that has one, two, three or four leaves that each have a root. As they grow larger, they divide to create more plants.
Wolffia globosa
W. globosa are tiny, single leaved plants that span a millimeter in diameter. They are a common ingredients in Asian cooking.
Lemna gibba
L. gibba is fresh water plants that typically span 3-5 mm in diameter.
Spirodela polyrhiza
It is the largest of duckweeds, even though it is still only 0.5-1 cm large. S. polyrhiza has many functions, one of which is for cosmetics.
Lemna obscura
L. obscura is also known as "little duckweed" and is native to tropical climates.
Wolffia arrhiza
W. arrhiza is the smallest vascular plant on the earth. It measures about 1 mm in width and is rootless.

So they aren't 'lentils'?

Contrary to popular belief, water lentils are NOT a lentil (or legume), but a vegetable. Named for the lenticular shape of the leaves, water lentils are also commonly referred to as duckweed, lemna minor, and lemnaceae.  Translations for the tiny aquatic plant include water linzen, wasserlinse, lenticcie d’acqua, vatten lins, lentilha da agua and lentejas de agua.

Water Lentil 101

The facts behind water lentils and how they have become the amazing superfood they are today.


Harvested Daily

Water lentils reproduce every 24-48 hours. Unlike other traditional seasonal plants that are only harvested once per year, water lentils can be harvested every day!

Fast Growth

Water lentils double in size nearly every single day. Because they are asexual, they simply bud off one another. This fast growth allows for them to be harvested daily.


Plant-Based Vitamin B12

Recent research has indicated that water lentils naturally contain a high source of Vitamin B12, making them a great addition to any plant-based diet.

wholesome Nutrition

Why should you try this new superfood?

  • Plant Protein With a Complete Amino Acid Profile
  • Soluble and Insoluble Dietary Fiber
  • High Source of Vitamin A, Iron, Calcium and Vitamin B12
  • Good Source of Zinc and Magnesium
  • Omega-3 Polyunsaturated Fats

Reasons to Eat Water Lentils

Learn why water lentils should be incorporated into every diet. Read this detailed report for additional health benefits, side-by-side superfood comparisons and recipes!

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As water lentils are grown in fresh water, there is no need for pesticides.

Water Neutral

Because water lentils sit in water, the only water loss is through evaporation.


Water lentils are gluten-free, lactose-free, and lectin-free.