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    Botanical guide · Ingredient reference

    Purslane: an edible leafy plant with omega-3 and oxalate considerations

    Common purslane, Portulaca oleracea, is eaten as a vegetable. Its nutritional value does not make every look-alike edible or make it equivalent to fish oil.

    Read the evidence ↓

    Supplement Science Insights Editorial Team

    Published September 23, 2026

    The culinary plant is Portulaca oleracea

    NC State describes edible leaves, stems and flowers with a tart, slightly salty taste. They can be used in salads or cooked dishes, and their mucilaginous texture can thicken soups. Use correctly identified, food-grade produce rather than assuming a roadside weed is suitable. [1]

    Keep the omega-3 comparison in context

    Plant omega-3 nutrition is not interchangeable with the EPA and DHA supplied by fish oil. ODS distinguishes ALA from these longer-chain fats and notes limited conversion. A serving of purslane should not be treated as an equivalent dose of a fish-oil capsule. [2][1]

    Oxalates matter to some dietary plans

    NC State notes purslane’s oxalate content. If you have been advised to limit oxalate, check how it fits your plan instead of consuming large amounts for a nutrient claim. Imagine adding a modest amount to soup: that is a food choice, not a treatment regimen or a reason to ignore an individualized diet. [1]

    Hypothetical example — identify the ingredient and the claim separately
    ItemInterpretation
    Food-grade purslaneA culinary vegetable
    Plant omega-3Not an EPA/DHA dose match
    Oxalate restrictionNeeds individual dietary context
    Purslane: an edible leafy plant with omega-3 and oxalate considerations — original article outline diagram
    Original editorial diagram of this article’s sections; no product photograph or clinical finding is depicted.

    Sources for this article

    1. Portulaca oleracea (Common Purslane, Garden Purslane, Little Hogweed, Little Hog Weed, Moss Rose, Pigwee, Pigweed, Portulaca, Purselane, Purslane, Pusley, Red Root, Rock Moss, Rose Moss, Verdolaga, Wild Portulaca) | North Carolina Extension Gardener Plant Toolbox
      Source consulted: 2026-09-20. This is a reference resource, not a claim that we conducted the studies or tested a product.
    2. Omega-3 Fatty Acids - Health Professional Fact Sheet
      Source consulted: 2026-09-20. This is a reference resource, not a claim that we conducted the studies or tested a product.