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Bone Density Stack

Also known as: Bone formula, Ca-D-K-Mg

A
Evidence

Complete bone support: calcium, vitamin D3, K2, and magnesium. Essential for bone health.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

  • Bone density
  • Osteoporosis prevention
  • Bone health

How it works

  • Calcium for structure
  • D3 for absorption
  • K2 for direction
  • Mg for utilization

Dosage

Typical range
1000mg calcium + 2000-5000 IU D3 + 100-200mcg K2 + 300-400mg magnesium
Timing
Split calcium doses, D3/K2 with fat
With food
Yes (especially D3/K2)
Duration
Ongoing for bone health
Special populations
Postmenopausal, osteoporosis risk, low dairy intake

Forms

  • Combined bone formulas
  • Separate products

Safety

Common side effects

  • Constipation (calcium)
  • GI upset

Contraindications

  • Hypercalcemia
  • Severe kidney disease

Evidence notes

Essential bone support

Grade A: Multiple well-designed human trials support the main claims.

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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.