The Biology of Bone: Constant Construction and Demolition
Osteoporosis, literally translated as “porous bones,” is not just a calcium deficiency. It is the end result of a complex, multi-layered breakdown in your body’s bone remodeling system, often driven by chronic inflammation, hormonal imbalance, nutritional depletion, and metabolic dysfunction. The good news? It is possible to slow, halt, and even reverse this process when we go upstream and address the root causes.
Bone is not static. It’s a metabolically active tissue, constantly undergoing remodeling. Osteoclasts break down old or damaged bone. Osteoblasts build new bone tissue. When these forces are in balance, your bones remain strong, responsive, and resilient.
But when osteoclastic breakdown exceeds osteoblastic repair, you lose density. And over time, you lose structural integrity.
Why Are So Many Losing Bone Today?
Let’s break it down:
- Chronic Inflammation: Inflammation fuels osteoporosis. Cytokines like IL-6, TNF-α, and CRP upregulate osteoclasts and suppress osteoblasts. The result? Bone breakdown speeds up, and rebuilding slows down. This chronic low-grade inflammation often comes from gut permeability, infections, mold exposure, toxins, processed foods, and emotional stress. This is the foundation of osteoimmunology: chronic inflammation-driven bone loss. Autoimmune diseases like lupus, RA, Hashimoto’s, and celiac disease, all of which have a chronic inflammatory component, often present with osteopenia or osteoporosis, sometimes as the only symptom.
- Estrogen & Progesterone Decline: Estrogen is anti-resorptive. It slows osteoclasts. Progesterone supports osteoblasts. Menopause, hysterectomy, or long-term amenorrhea drops both hormones. Bone resorption accelerates. This hormonal drop is a major reason why postmenopausal women are at highest risk.
- Cortisol & Stress: Cortisol suppresses bone-building, increases bone loss, and reduces magnesium and calcium absorption. Chronic stress, overtraining, under-eating, or trauma keeps cortisol high—which erodes bone and hormones over time.
- Nutrient Deficiencies: Many key nutrients aren’t tested in standard labs. But they are essential.
- Magnesium: Critical for bone matrix formation.
- Vitamin K2: Sends calcium into bones, not arteries.
- Vitamin D: Boosts calcium absorption.
- Vitamin C: Required for collagen formation, which gives bone its flexible, protein-based scaffold.
- Boron, zinc, silica, manganese: Support collagen cross-linking and osteoblasts.
- Folate (B9) & B12: Prevent elevated homocysteine, a fracture risk marker.
- Iron: Needed for bone formation. Both low and high levels can harm bone.
- Protein: Essential. Most postmenopausal women under-eat protein. Aim for 1.2–1.5g/kg. (Ex: 140 lbs = 63.6kg ✓ 1.5 = ~95g protein/day.)
- Strontium: Enhances bone formation and decreases resorption. Strontium is prescribed as a pharmaceutical in Europe for bone rebuilding.
- Omega-3s (DHA): Reduce inflammation, support bone density.
- Toxins: Heavy metals like lead, cadmium, and mercury displace essential minerals and damage osteoblasts. Smoking and alcohol are both bone toxins. Alcohol also drives magnesium and zinc deficiency and impairs liver detox of hormones.
- Acid-Base Imbalance: The body buffers acidity (from sugar, processed foods, alcohol, excess meat, gluten, and dairy) using calcium from bone. Over time, this silently strips mineral content even if you’re taking calcium.
- Medication-Induced Bone Loss: Most of these are prescribed by different specialists, with no one overseeing the “pharmasoup” and assessing the long-term nutrient and bone cost. This polypharmacy spiral leads to malnutrition and fragility over time.
- Steroids: Catabolic. Deplete magnesium, vitamin D, calcium, and zinc. (e.g., prednisone, corticosteroid inhalers.)
- Bisphosphonates: Force calcium into bone but reduce tensile strength. Bones may appear denser but are more brittle.
- Reloxifen and other Selective Estrogen Receptor Modulators: Can cause blood clots, stroke, thromboembolism.
- Parathyroid analogs: Suppress osteoclasts but risk nausea, cramps, hypercalcemia, and osteosarcoma.
- SSRIs: Linked to bone loss.
- Antacids: Block protein absorption, deplete magnesium and B12.
- Blood pressure meds: Deplete zinc and other minerals.
- Diabetes meds: Deplete B vitamins and CoQ10.
- Thyroid meds: High doses can reduce bone density.
- Sunshine Deficiency: Vitamin D is essential. Without it, you can’t absorb dietary calcium. It also helps modulate immune function and reduce inflammation.
- Food Sensitivities & Malabsorption: Gluten-induced inflammation and malnutrition are under-recognized. And BTW, celiac disease may only present as low bone mass without any other symptoms. Test for it.
- And then there is Wolff’s Law, which tells us that bone adapts to the stress placed upon it. If we move less, particularly without resistance or impact, the body “downsizes” bone to conserve resources. This is a biological adaptation to perceived disuse. Sedentary lifestyle, especially in women after menopause, can lead to silent bone loss.
Diagnostic Testing: Looking Beyond the DEXA
Bone scans are helpful—but not the full story.
DEXA scans are the standard, but they measure only bone density, not quality or flexibility. A low T-score (≤ -2.5) may suggest osteoporosis, but fractures can still occur in people with “normal” scans if bone collagen content or structural integrity is compromised.
Calcaneal ultrasound—which measures the heel bone—offers a radiation-free, accessible, low-cost alternative. While it doesn’t provide the same level of detail as a DEXA, studies show it can predict fracture risk comparable to the DEXA scan. Whichever method you use, the Z-score (age-matched comparison) often provides a clearer picture of how your bones are aging relative to your peers—especially in peri- and postmenopausal women.
Z-Score Interpretation:
- Z-score = 0: Your bone density is average for your age, sex, and size.
- Z-score > 0: Your bones are denser than average for your peer group.
- Z-score < -2.0: This is considered below the expected range for age and may suggest secondary causes of bone loss (like inflammation, nutrient deficiencies, medications, etc.), especially in younger individuals.
Note: While Z-scores are not used to diagnose osteoporosis (that’s what T-scores are for), they’re incredibly helpful for identifying whether your bone loss is normal aging or something more concerning. For optimal skeletal health, you want to stay around 0 or above—especially if you’re actively working to build or maintain bone.
That being said, I would not rely purely on a bone scan. Here are some other critical tests for a full picture of bone health:
- N-telopeptides, osteocalcin, deoxypyridinoline: Markers of bone turnover.
- Homocysteine: Elevated = increased fracture risk.
- hsCRP, ESR: Inflammation markers.
- WBC Intracellular Micronutrient Panel: Offers a 6-month window of nutrient status.
- Iron Panel, Ferritin : Low = reduced osteoblast function, collagen synthesis, and vitamin D activation.
- RBC DHA levels: Optimal >4%.
- 25-OH Vitamin D: Target 50-70 ng/mL.
Let’s Talk about Reversing Osteoporosis and Osteopenia
Here are the Four Core Elements to help rebuild and fortify your bones:
- Remove inflammatory triggers (toxins, foods, etc.).
- Rebuild nutrient reserves.
- Restore hormonal balance.
- Reintroduce appropriate mechanical loading (resistance training, vibration, walking on uneven terrain).
The Role of Diet and Daily Habits
Nutrition is the foundation of bone health. Sadly, most physicians dismiss it.
- Eat real food: organic, non-processed, anti-inflammatory.
- Protein with every meal.
- Colorful vegetables for minerals and polyphenols.
- Bone broth and collagen
- Healthy fats (especially omega-3s).
- Avoid sugar, gluten (especially if symptomatic), and processed seed oils (sunflower, safflower, corn, canola, cottonseed, soy, grapeseed)
- Water: Pure, filtered water to flush toxins and support cellular metabolism.
Optimize Your Lifestyle:
- Sleep: Bone building primarily occurs at night during slow-wave sleep.
- Movement: Resistance, impact, flexibility. Even isometric exercises can stimulate osteoblasts.
- Sunlight: 20 minutes a day. Full-spectrum sun boosts nitric oxide, vitamin D, and mitochondrial function.
And as for the self-perpetuating medication cycle:
Each prescription should prompt serious cost-benefit questioning. For example, pain medications can deplete key nutrients like vitamin C, B vitamins, and iron. This worsens inflammation, increases bone pain, and often leads to more medications. Over time, a polypharmacy approach compounds nutrient deficiencies, quietly accelerating bone loss. It’s essential to ask yourself: Am I supporting my skeleton—or unknowingly sabotaging it?
Bottom Line:
Bone is not inert—it’s living, dynamic tissue that responds to every signal you send it. Every bite of food, every step you take, every moment in the sun, every night of quality sleep… it all counts.
Sources:
https://pubmed.ncbi.nlm.nih.gov/32408474/. Accessed 10 June 2025.
https://www.sciencedirect.com/science/article/pii/S2001037019301448. Accessed 10 June 2025.
https://pmc.ncbi.nlm.nih.gov/articles/PMC8235140/. Accessed 10 June 2025.
https://pmc.ncbi.nlm.nih.gov/articles/PMC3265100/. Accessed 10 June 2025.
https://pmc.ncbi.nlm.nih.gov/articles/PMC8780933/. Accessed 10 June 2025.
https://pubmed.ncbi.nlm.nih.gov/26065006/. Accessed 10 June 2025.
Book: Bottle of Lies by Katherine Eban
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