NutriStack
Prednisolone and Strontium, a caution.
Prednisolone can accelerate bone loss during prolonged therapy. Strontium supplements can artifactually elevate DXA bone density readings, which may mask ongoing steroid-related bone loss or make treatment response look better than it is.
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
- Prednisolone 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. Prednisolone can accelerate bone loss during prolonged therapy. Strontium supplements can artifactually elevate DXA bone density readings, which may mask ongoing steroid-related bone loss or make treatment response look better than it is.
Mechanism. Strontium incorporation into bone increases X-ray attenuation and can overestimate BMD on DXA. Prednisolone increases fracture risk through systemic glucocorticoid effects on bone remodeling and calcium balance.
Recommendation. Tell your clinician if you take strontium while on chronic prednisolone, particularly before bone density testing. Use strontium cautiously and do not let it replace calcium, vitamin D, fracture-risk assessment, or prescription osteoporosis therapy when indicated.
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 Prednisolone 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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