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5 pages for "Lettuce"
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VegetablesLettuce (Romaine & Leaf): Nutrients, What Research Shows and Safety
Romaine and green leaf lettuce as food: USDA nutrients, what research found on leafy greens, vitamin K and warfarin, E. coli outbreaks, and how it differs from wild lettuce.
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Seaweed & AlgaeSea Lettuce: Nutrients, What Research Shows and Safety
Sea lettuce (Ulva) as a food: Japanese dried "aosa" nutrient values, high iodine per gram, pollutant questions, what small studies of extracts show, and who should be careful.
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Herbal Teas & ExtractsWild Lettuce Tea: What Research Shows About the Tea, Safety and Cautions
Wild lettuce tea (Lactuca virosa) has no human trials; case reports describe poisoning after eating the plant, and the "lettuce opium" label is not backed by evidence.
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Herbs & BotanicalsWild lettuce (Lactuca virosa): Uses, Evidence and Safety
Wild lettuce (Lactuca virosa), sometimes sold as "lettuce opium": what the sources say about sleep and pain claims, the poisoning case reports, and why human evidence is missing.
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Functional FoodsLeafy Greens
Spinach, kale, lettuce and other leafy greens: what cohort reviews found on heart disease, and the vitamin K advice for people taking warfarin, plus oxalate and food-safety notes.
Looking for research records, herb and ingredient databases, formulas or genes? Search the Research Library for "Lettuce".