19/09/2025
Post 5 – Nutrition & Supplements for Strong Bones
Exercise is vital for protecting bone health, but what you eat and supplement with can make just as much difference. Bones are not just calcium – they are living tissue made from a complex mix of minerals and protein.
Key nutrients for bone health
Calcium – the building block of bone. Best from food (milk, yoghurt, cheese, fortified plant milks, leafy greens, nuts, seeds). Supplements are useful if intake is low, but diet should come first.
Vitamin D – helps the body absorb calcium. Sunlight is the main source, but in places with limited sun, oily fish (salmon, sardines, mackerel) and supplementation are often needed.
Protein – here’s the part that surprised even me: around 50% of bone volume is protein, mostly in the form of collagen. That’s the flexible framework that minerals attach to, giving bone both strength and resilience. It’s one more reason to keep protein intake high – not just for muscle, but for bones too. (Yes, protein again. Always protein. Dan with the protein.)
Vitamin K2 – helps direct calcium into bones rather than soft tissues. Found in fermented foods (like natto), some cheeses, and available in supplement form.
Magnesium – supports bone mineralisation and vitamin D metabolism. Found in nuts, seeds, whole grains, and dark leafy greens.
What doesn’t work alone
Relying only on calcium tablets or a single “bone health” product isn’t enough. Without bone-loading activity, your body has no reason to hold onto those minerals. The real benefit comes when diet, supplements, and training work together.
The bigger picture
Adequate calories → under-eating accelerates bone loss.
Limiting alcohol and avoiding smoking → both harm bone tissue.
Balanced nutrition → consistency matters more than any one “superfood.”
Strong bones are built by combining smart training with the right nutrition. It isn’t about chasing one magic nutrient – it’s about giving your body the full set of tools it needs to remodel, repair, and protect itself.
👉 That concludes this 5-part series on osteoporosis. Stay tuned for more deep dives into health, training, and long-term wellbeing.