Black raisins: The iron content of black raisins is known to be more than several other iron-rich fruits and vegetables. “Moreover, it is also rich in antioxidants, soluble fibres, calcium and potassium. The antioxidant property of black raisins helps in detoxifying the body by eliminating damaging free radicals,” says Turakhia. Black raisins work at various levels of the body and provide various health benefits like improving iron levels, relieving acidity and constipation, strengthening bone health, and preventing hair fall. It also works well in anti-diabetes and anti-cholesterol treatments.