By Dr. Terry Ann Scott
In one of my recent National Diabetes Prevention Program (NDPP) classes, a participant asked a powerful question:
“My doctor said my bone density is low. Should I take calcium supplements?”
That inquiry sparked a thoughtful conversation, and I want to share the science with all of you—because this is something every adult, especially women over 40, needs to know.
đź’Ş The Role of Strength Training in Bone Health
Most people think of calcium first when it comes to bone strength. But here’s the truth:
Strength training can increase bone density just as effectively as calcium supplements—and without the side effects.
âś… In a 2-year study with postmenopausal women, those who did progressive strength training 3x/week saw significant hip bone density gains, even with low calcium intake.
✅ Another 18-month study in younger women showed 2–3% lumbar spine BMD increases with just resistance exercises and 500 mg calcium.
Weight-bearing movements like lifting dumbbells, resistance bands, and bodyweight squats stimulate bone formation by applying healthy stress to the skeleton, especially in high-risk areas like the hips and spine.
đź’Š The Limitations and Risks of Calcium Supplements
Calcium supplements are commonly recommended, but they come with caveats:
- Most research shows only 0.5–1.2% improvements in bone density.
- These benefits often reverse after stopping supplements.
- Side effects include constipation, bloating, and an increased risk of kidney stones.
- Some studies suggest a small but concerning link to heart attack risk when taken long-term without medical oversight.
The Best Approach: Combine Strength Training + Dietary Calcium
You don’t have to choose one or the other. Research shows that combining strength training with a calcium-rich diet and adequate vitamin D offers the most protection against osteoporosis and fracture risk.
🍽️ Dietary Sources of Calcium:
- Dairy (milk, yogurt, cheese)
- Leafy greens (collards, kale, spinach)
- Fortified plant milk and cereals
Final Takeaway
“Strong bones are built through movement, not just medicine.”
If you’re concerned about osteoporosis, low bone density, or simply aging well—start with small, consistent steps. Add strength training to your weekly routine, prioritize food over pills, and talk with your provider about your personal bone health needs.
If you’d like help building a strength training plan that works for your lifestyle and health status, join us at TAT Health Solutions or drop your questions in the comments below.
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