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.
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.
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.
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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