Strontium and Osteoporosis: A Natural Element with Clinical Potential
- David Stephen Klein, MD FACA FACPM
- May 5
- 4 min read

Introduction
Osteoporosis is one of the most common and silent conditions affecting aging adults. Bone loss often progresses without symptoms until a fracture occurs.

While conventional medications are widely prescribed, many patients seek more natural approaches to preserving bone density. One element gaining attention is strontium—a naturally occurring mineral found in soil, groundwater, and trace amounts in food¹.
Its appeal lies in a simple premise: a naturally derived substance that may support bone strength through physiologic mechanisms.
What Is Strontium?
Strontium is a trace mineral chemically similar to calcium². It is naturally present in:
Groundwater
Soil and plant-based foods
Small amounts within human bone
Because of its similarity to calcium, strontium can be incorporated into bone tissue, where it influences the balance between bone formation and breakdown².

How Strontium Supports Bone Health
Unlike many treatments that act in a single direction, strontium appears to work through a dual mechanism:
Stimulates osteoblasts → increases bone formation³
Inhibits osteoclasts → reduces bone breakdown³
This balanced effect makes it particularly interesting in the management of osteoporosis.
Clinical Evidence and Real-World Use
The most studied form is strontium ranelate, which has been evaluated in large randomized controlled trials.
These studies demonstrated:
Increased bone mineral density
Reduced vertebral and non-vertebral fracture risk⁴⁻⁶
However:
The Strontium Renelate product is not FDA-approved in the United States
Use has been restricted due to cardiovascular risk concerns⁷
Strontium Citrate is readily available, however, and is very inexpensive.
Strontium citrate is generally well tolerated in healthy individuals when used at typical supplemental doses (commonly ~680 mg elemental strontium daily). Unlike prescription Strontium ranelate, it has not been subjected to large randomized safety trials—so much of its safety profile is extrapolated rather than definitively established.
In clinical practice, many patients use strontium citrate, an over-the-counter form. While widely used, it does not have the same level of robust clinical trial evidence⁸.
A Critical Point: Bone Density Measurements
Strontium has an important and often overlooked effect:
➡️ It can modestly artificially increase bone density readings on DEXA scans⁹
This occurs because strontium alters X-ray attenuation due to its higher atomic weight compared to calcium.
Clinical implications:
Bone density may appear improved
True bone strength may be overestimated
Interpretation of DEXA results in patients using strontium requires careful clinical correlation.
Is Strontium Deficiency the Cause of Osteoporosis?
There is currently no definitive evidence that osteoporosis is caused by strontium deficiency.
There are no standardized lab tests for deficiency
It is not considered an essential nutrient in the traditional sense¹⁰
However, environmental exposure varies, and strontium may still play a supportive role in bone physiology.
Safety and Practical Use
Strontium is generally well tolerated when used appropriately, but important precautions apply.
Use cautiously in:
Cardiovascular disease, severe
History of thrombosis
Significant renal impairment⁷
Practical considerations:
Take separately from calcium
Common clinical dosing: ~680 mg daily (strontium citrate)
Strontium Citrate: Common Side Effects (Usually Mild)
Reported adverse effects are typically infrequent and mild:
Gastrointestinal discomfort (nausea, loose stools)
Headache
Occasional skin rash
These are not dose-limiting in most patients and often improve with dose adjustment.
Where Strontium Fits in Treatment
Strontium may be appropriate in:
Patients seeking non-pharmaceutical approaches
Those intolerant of conventional therapies
As part of a comprehensive bone health strategy
Optimal bone care should include:
Vitamin D-3 optimization
Adequate calcium intake, calcium hydroxyapatite
Vitamin K-2 intake
Hormonal evaluation when indicated
Weight-bearing exercise
Hormone Replacement Therapy, if levels are low
Bottom Line
Strontium is a naturally occurring element with measurable effects on bone metabolism. While not a first-line therapy, it represents a valuable adjunct in selected patients when used with proper clinical oversight.
Become a Patient
If you are concerned about bone loss or osteoporosis, we provide comprehensive evaluation and individualized treatment plans.
References (PubMed Indexed)
Trace elements in human nutrition – Nielsen FH. Ultratrace elements in nutrition. Annu Rev Nutr. 1984. PMID: 6085717
Strontium incorporation into bone – Dahl SG et al. Incorporation and distribution of strontium in bone. Bone. 2001. PMID: 11502467
Bone remodeling physiology – Marie PJ. Strontium ranelate: a dual mode of action. Bone. 2005. PMID: 16046172
SOTI trial – Meunier PJ et al. Strontium ranelate reduces vertebral fractures. NEJM. 2004. PMID: 15356304
TROPOS trial – Reginster JY et al. Strontium ranelate reduces nonvertebral fractures. J Clin Endocrinol Metab. 2005. PMID: 16030160
Long term osteoporosis therapy outcomes – Reginster JY et al. Long-term effects of strontium ranelate. Osteoporos Int. 2008. PMID: 18266020
Cardiovascular risk with strontium ranelate – EMA safety review of strontium ranelate. Drug Saf. 2014. PMID: 24752455
Strontium citrate supplementation – Shorr RI et al. Dietary supplements and bone health. Am J Med. 2010. PMID: 20362756
DEXA scan artifact strontium – Blake GM et al. Effect of bone strontium on BMD measurements. J Clin Densitom. 2007. PMID: 17543560
Essential vs non essential trace elements – Mertz W. The essential trace elements. Science. 1981. PMID: 7022654
The medical references cited in this article are provided for educational purposes only and are intended to support general scientific discussion. They are not a substitute for individualized medical advice, diagnosis, or treatment. Clinical decisions should always be made in consultation with a qualified healthcare professional who can account for a patient’s unique medical history, medications, and circumstances.
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