Lentils significantly reduce blood glucose levels

Replacing half a serving of rice with lentils caused blood glucose to drop by up to 20 per cent. Replacing potatoes with lentils led to a 35-per-cent drop.

Dita Moravek, Alison M Duncan, Laura B VanderSluis, Sarah J Turkstra, Erica J Rogers, Jessica M Wilson, Aileen Hawke, D Dan Ramdath; Carbohydrate Replacement of Rice or Potato with Lentils Reduces the Postprandial Glycemic Response in Healthy Adults in an Acute, Randomized, Crossover Trial, The Journal of Nutrition, Volume 148, Issue 4, 1 April 2018, Pages 535–541, doi:10.1093/jn/nxy018