Benefits of Swapping Grains for Pulses (IMAGE) The Ginger Network Caption Substituting ½ cup of pulses daily in place of one ounce of refined grains daily while keeping calories constant increases fiber, magnesium, copper, and potassium, a nutrient of concern, by more than 10% Credit Coalition to Advance Pulses Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.