NutriStack
Dexamethasone and Strontium, a caution.
Dexamethasone is a potent glucocorticoid and can contribute to bone loss when exposure is repeated or prolonged. Strontium supplements can artifactually increase DXA-measured bone density, making steroid-related bone monitoring less reliable.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
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From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Dexamethasone and Strontium
- Pair type
- Caution
- Evidence (highest tier)
- Emerging
- Source citations
- 3 sources
- Stack Score effect
- −5 to your Stack Score (per scored caution row).
- Scope
- Supplement × Prescription
- Last verified
- May 30, 2026
Caution · Emerging evidence
Caution
What is happening. Dexamethasone is a potent glucocorticoid and can contribute to bone loss when exposure is repeated or prolonged. Strontium supplements can artifactually increase DXA-measured bone density, making steroid-related bone monitoring less reliable.
Mechanism. Strontium incorporation into bone can increase X-ray attenuation and overestimate BMD on DXA. Dexamethasone increases fracture risk through glucocorticoid receptor-mediated suppression of bone formation and disruption of calcium balance.
Recommendation. Tell your clinician about strontium use before bone density testing while on dexamethasone. Use evidence-based bone protection and fracture-risk assessment rather than relying on strontium-related DXA changes.
Sources (3)
- Humphrey MB, Russell L, Danila MI, et al. 2022 American College of Rheumatology Guideline for the Prevention and Treatment of Glucocorticoid-Induced Osteoporosis. Arthritis Care Res (Hoboken). 2023;75(12):2405-2419. PMID 37884467
- Nielsen SP, Slosman D, Sorensen OH, Basse-Cathalinat B, De Cassin P, Roux CR, Meunier PJ. Influence of strontium on bone mineral density and bone mineral content measurements by dual X-ray absorptiometry. J Clin Densitom. 1999;2(4):371-379. PMID 10677790
- Blake GM, Fogelman I. Effect of bone strontium on BMD measurements. J Clin Densitom. 2007;10(1):34-38. PMID 17289524
Stack Score
How this pair moves the number.
Effect on the composite score
If both Dexamethasone and Strontium are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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