Amaranth is grown in Asia and the Americas and harvested primarily for its grain, which is used as a food source for bread, pasta, and infant food.
Amaranth oil has been shown to decrease cholesterol and lipid levels when taken with a low-sodium, heart-healthy diet. However, other studies have shown that amaranth in conjunction with a low-fat diet has no effect on cholesterol levels in patients with high cholesterol. Early research has also shown that amaranth oil may lower blood sugar.
There is not enough scientific evidence of an effect of amaranth for any indication. High-quality research is needed before a recommendation can be made.
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These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider.
Limited evidence suggests that amaranth may have antioxidant properties when combined with a heart-healthy diet. Additional studies are needed before conclusions can be drawn.
Amaranth plus a low-sodium, heart-healthy diet decreased cholesterol and blood pressure in patients with heart disease. However, additional evidence is needed before a recommendation can be made in this area.
Immune system function
Limited evidence suggests that amaranth may stimulate the immune system when combined with a heart-healthy diet in patients with heart disease and high cholesterol. However, additional studies of amaranth alone are needed in this area.
Early research suggests that consuming amaranth greens may improve night blindness. However, more studies are needed before a recommendation can be made.