Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 6/15/2025

Bone Strengthening Regimen for Women in Their 40s

Introduction to Bone Strengthening

  • The American College of Family Physicians recommends a bone strengthening regimen for women in their 40s that includes weight-bearing and resistance exercises 2-3 times per week, calcium intake of 1,000 mg daily, vitamin D intake of 600 IU daily, and lifestyle modifications including smoking cessation and limiting alcohol to 1-2 drinks per day 1, 2

Nutrition and Supplementation

  • The American College of Family Physicians recommends calcium intake of 1,000 mg daily for women in their 40s, preferably from dietary sources, with supplementation if dietary intake is inadequate 1
  • The American College of Family Physicians recommends vitamin D intake of 600 IU daily, with a target serum level of at least 20 ng/mL, and may require supplementation, especially in northern latitudes or for those with limited sun exposure 1

Exercise Recommendations

  • Weight-bearing exercise for at least 30 minutes, 3 days per week, is recommended for bone health 3
  • 2-3 sessions of high-intensity resistance training per week, focusing on major muscle groups, particularly those attached to the hip and spine, is recommended for bone health 2
  • Incorporating plyometric exercises, such as jumping and hopping, for osteogenic effects, with short sessions of 30 minutes or less, 2-4 times per week, is recommended for bone health 4
  • Zig-zag hopping is particularly effective for tibial bone strengthening 4

Lifestyle Modifications

  • Maintaining weight in the recommended range is important for bone health 5
  • Smoking cessation is recommended for bone health 5, 3
  • Limiting alcohol intake to 1-2 drinks per day is recommended for bone health 5, 3

Special Considerations

  • For women with risk factors, such as family history of osteoporosis, low body weight, or early menopause, baseline bone mineral density testing and FRAX calculation may be appropriate to assess 10-year fracture risk 1
  • Regular follow-up with a healthcare provider to assess bone health is recommended for women with risk factors 1