Mineral
Strontium
Also known as: Strontium citrate, Strontium ranelate (prescription)
Bone mineral that may support bone density. Take separately from calcium.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Strontium product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Pure Encapsulations Strontium (citrate) | 86 A- | $0.29 |
| 2 | Garden of Life Vitamin Code Raw Calcium | 84 A- | $1.31 |
| 3 | BioSchwartz Bone Strength Capsules | 84 A- | $0.80 |
| 4 | Garden of Life Vitamin Code Grow Bone System | 83 A- | $1.63 |
| 5 | New Chapter Organic Plant Calcium: Women Under 40 | 81 A- | $0.93 |
| 6 | New Chapter Bone Strength Take Care Tiny Tabs | 80 A- | $1.40 |
| 7 | Codeage Liposomal Strontium | 78 B+ | $1.00 |
| 8 | Nature's Way Alive! Calcium Bone Support | 77 B+ | $1.17 |
| 9 | Integrative Therapeutics Osteoprime Ultra | 70 B | $1.15 |
| 10 | Nature's Way OsteoPrime | 70 B | $0.90 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much Strontium should I take?
The typical range is 340-680mg strontium citrate. Long-term for bone support
When should I take Strontium?
Bedtime, away from calcium. No (away from calcium).
Which form of Strontium is best?
Strontium citrate — OTC form.
Is Strontium safe?
Commonly reported: GI upset. Serious warnings: Interferes with bone density scans (artifactually high readings). Caution in kidney disease
Which Strontium supplement scores highest?
Pure Encapsulations Strontium (citrate), at 86/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Primary uses
- Bone density
- Bone formation
How it works
- Incorporates into bone matrix
- May stimulate bone formation
- Similar to calcium in structure
Dosage
- Typical range
- 340-680mg strontium citrate
- Timing
- Bedtime, away from calcium
- With food
- No (away from calcium)
- Duration
- Long-term for bone support
- Special populations
- Osteoporosis risk, postmenopausal
Forms
- Strontium citrate
Safety
Common side effects
- GI upset
Contraindications
- None major for citrate form
Products containing Strontium
Top-scoring supplements in our catalog that list Strontium on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Some evidence for bone density
Grade B: Some human trials support key claims; further confirmation needed.
Related in Mineral
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.