Walnuts
Walnuts reinforce cardiovascular health thanks to its high content of omega-3. In comparison to other nuts, walnuts have a higher content of plant-based omega-3, antioxidants, iron and fiber. One serving (30 grams) of walnuts covers the body's daily requirement of omega-3. Walnuts have a higher content of oxidant activity than any other nuts. Walnuts act as a good antioxidant that can help to mitigate the damages of LDL, otherwise known as bad cholesterol.