Considerable evidence shows that incorporating peanuts and peanut butter into the diet does not lead to weight gain or higher body weight and may even be associated with weight loss.
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Last reviewed: February 2019
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Moreno JP, Johnston CA, El-Mubasher AA, Papaioannou MA, Tyler C, Gee M, Foreyt JP. Peanut consumption in adolescents is associated with improved weight status. Nutr Res. 2013 Jul;33(7):552-6. doi: 10.1016/j.nutres.2013.05.005. Epub 2013 Jun 15. PubMed PMID: 23827129.
Mattes RD, Kris-Etherton PM, Foster GD. Impact of peanuts and tree nuts on body weight and healthy weight loss in adults. J Nutr. 2008 Sep;138(9):1741S-1745S. PubMed PMID: 18716179.