Herb guide › Sea Lettuce
Sea Lettuce
A green marine alga, commonly Ulva lactuca, with a mild oceanic, vegetal and slightly salty flavor. The dried thallus can be infused as a mineral-rich marine tisane.
Traditionally used for
Mineral insufficiency, Fatigue
Potential benefits
Thyroid support, detox, mineral and trace-nutrient support, antioxidant support, rich in iron and iodine
Ingredients
Sea Lettuce, Ulva lactuca and related Ulva species thallus
Origin
Coastal waters worldwide
How it is traditionally prepared
1 tsp dried sea lettuce/8–12 oz water, steep 5–10 minutes. Use intermittently rather than as a concentrated daily mineral supplement.
Cautions and who should avoid it
Mineral and iodine content varies by species and growing location. Seaweeds may accumulate heavy metals or excess iodine. Use only food-grade material from a tested source.High iodine content—avoid in hyperthyroidism
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