APEX Legacy · a way of life

Duckweed

Tiny green floating plants — the world's smallest flowering plants — eaten as a vegetable in Thailand and Laos and now cultivated as a high-protein 'water lentil.' One of the few plant foods that can supply usable vitamin B12.

Compiled by APEX Legacy from published research and documented food history, under the editorial direction of Jonathan Jackson, Founder. How we write and review these pages →

Why it is ours

An emerging sustainable-protein crop with no Black food tradition. Its real Black American relevance is forward-looking: an affordable, water-efficient complete-protein and potential B12 source that could matter for food-access and plant-protein strategies in under-resourced communities.

What it does

Farmed duckweed is a striking plant: it can be 30-45% complete protein by dry weight, with all essential amino acids — rare for a vegetable — making it a genuinely promising sustainable protein. Notably, certain cultivated strains contain bioavailable vitamin B12 (not just inactive analogs), one of very few reliable plant B12 sources, relevant for plant-leaning eaters at risk of deficiency. It also delivers iron, fiber, potassium, and polyphenols with anti-inflammatory potential. Evidence-honest notes: B12 content varies by strain and growing conditions and is not guaranteed in all duckweed; and because duckweed absorbs whatever is in its water, the water source is everything for safety. Cultivated water lentils grown in clean controlled systems are a credible emerging food; pond-scraped wild duckweed is not safe.

How it is cooked

Cultivated water lentils come as fresh greens, frozen, or powder — added to smoothies, soups, omelets, or used like a fine green. In Southeast Asia, fresh Wolffia is cooked into curries, soups, and egg dishes. Always cook wild-type duckweed; commercial water-lentil products are processed for food safety.

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