Cadmium is frequently found in leafy vegetables such as spinach and choi sum grown in polluted conditions.

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While vegan foods, such as spinach, almonds, lentils and tofu offer some iron, the iron from plant foods does not boost iron stores as effectively.

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Another restaurant bound to become a Hudson institution is the Chai Shop, where authentic Indian food made from local ingredients, such as wild spinach pakora, is served inside a still-functioning home furnishing store.

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The new branch of a longtime Hong Kong favorite attracts a line most nights, serving up gourmet pizzas such as the New Orleans topped with Cajun chicken, spinach, potatoes and sour cream.

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The daily recommended intake of vitamin E is about 22 international units for those 14 and older, and is relatively easy to obtain from oils such as sunflower, almonds, peanut butter, and spinach.

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Saavedra also hosts guided tours along Parque Natural Xochimilco's canals, visiting working chinampas and providing insight into their cultivation of dozens of different plants and vegetables, including nopales (prickly pear cactus), espinaca (spinach) and calabazas (pumpkin), as well as herbs such as sage and lavender.

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