Purslane is considered a weed, but it contains more omega-3 fatty acids than any other leafy vegetable plant. It also contains vitamins (mainly vitamin A, vitamin C, vitamin E (alpha-tocopherol),[14] vitamin B, carotenoids), and dietary minerals such as magnesium, calcium, potassium, and iron. https://en.wikipedia.org/wiki/Portulaca_oleracea