High-protein diets and bone density during weight loss in older adults

nutrition · Examine.com Study Summaries — June 8–15, 2026 · 2026

In 172 older adults losing weight over 18 months, adding 50 g/day whey to hit 1.2 g/kg protein did not change hip bone density vs. the 0.8 g/kg RDA — though all groups also walked 3×/week.

Authors

Examine.com

Research lens

In 172 older adults losing weight over 18 months, adding 50 g/day whey to hit 1.2 g/kg protein did not change hip bone density vs. the 0.8 g/kg RDA — though all groups also walked 3×/week.

  • protein
  • bone mineral density
  • weight loss
  • aging
  • whey
  • exercise