Is a Higher Protein Intake Associated with Health Concerns? Effect on Bone and Kidneys

by Mike Nelson, MS, RN
Personal Training Quarterly February 2019
Vol 2, Issue 5

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In this article, Mike Nelson addresses two stubborn myths associated with increased protein intake and negative effects: kidney issues and bone loss.

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This article originally appeared in Personal Training Quarterly (PTQ)—a quarterly publication for NSCA Members designed specifically for the personal trainer. Discover easy-to-read, research-based articles that take your training knowledge further with Nutrition, Programming, and Personal Business Development columns in each quarterly, electronic issue. Read more articles from PTQ »



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3. Antonio, J, Ellerbroek, A, Silver, T, Vargas, L, Tamayo, A, Buehn, R, and Peacock, CA. A high protein diet has no farmful effects: A one-year crossover study in resistance-trained males. Journal of Nutrition and Metabolism 9104792; 2016.

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10. Kim, BJ, Lee, SH, Isales, CM, Koh, JM, and Hamrick, MW. The positive association of total protein intake with femoral neck strength, KNHANES IV, Osteoporosis international: A journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 2018

11. Langsetmo, L, Shikany, JM, Cawthon, PM, Cauley, JA, Taylor, BC, Vo, TN, Bauer, DC, Orwoll, ES, Schousboe, JT, and Ensrud, KE. The association between protein intake by source and osteoporotic fracture in older men: A prospective cohort study. Journal of Bone and Mineral Research : The Official Journal of the American Society for Bone and Mineral Research 32: 592-600, 2017.

12. Lowery, LM, and Devia, L. Dietary protein safety and resistance exercise: What do we really know? J Int Soc Sports Nutr 6(3): 2009.

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14. Phillips, SM. A brief review of higher dietary protein diets in weight loss: A focus on athletes. Sports Med 44(suppl 2): S149-153, 2014.

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16. Shams-White, MM, Chung, M., Du, M, Fu, Z, Insogna, KL, Karlsen, MC, LeBoff, MS, Shapses, SA, Sackey, J, Wallace, TC, et al. Dietary protein and bone health: A systematic review and metaanalysis from the National Osteoporosis Foundation. Am J Clin Nutr 105: 1528-1543, 2017.

17. Tipton, KD. Efficacy and consequences of very-high-protein diets for athletes and exercisers. The Proceedings of the Nutrition Society 70: 205-214, 2011.

18. Wallace, TC, and Frankenfeld, CL. Dietary protein intake above the current RDA and bone health: A systematic review and meta-analysis. Journal of the American College of Nutrition 36: 481-496, 2017.

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Mike Nelson, I, MS, RN

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