Click here to view Dr. Retzler's HormoneSynergy® Longevity BLOG

RetzlerRx OsteoStrength MK7 bone support supplement with vitamin D3 K2 MK7 and calcium for bone density and skeletal health
RetzlerRx® OsteoStrength MK-7® – Comprehensive Bone Health Formula Dr. Retzler’s Line of Premier Supplements HormoneSynergy
RetzlerRx® OsteoStrength MK-7® – Comprehensive Bone Health Formula Dr. Retzler’s Line of Premier Supplements HormoneSynergy

OsteoStrength MK-7 Bone Support | Vitamin D3, K2 MK-7 & Bioavailable Calcium

Regular price
$ 117.99
Sale price
$ 99.95
Quantity must be 1 or more

OsteoStrength MK-7 Bone Support | Advanced Bone Density Formula

Promote bone density, skeletal strength, and healthy calcium utilization with RetzlerRx® OsteoStrength MK-7 Bone Support, a physician-formulated blend designed to support long-term bone health and structural integrity.*

Best for: Individuals seeking advanced bone support, calcium metabolism optimization, and long-term skeletal health.

This targeted formula combines key nutrients that work together to support bone matrix formation, mineral balance, and healthy calcium utilization throughout the body.*

Key Nutrients in OsteoStrength MK-7

  • Vitamin D3 – Supports calcium absorption and bone mineralization.*
  • Vitamin K2 (MK-7®) – Helps direct calcium into bones and away from soft tissues.*
  • Calcium (Microcrystalline Hydroxyapatite – MCHC) – A highly bioavailable calcium source that supports bone structure.*
  • Phosphorus – Works with calcium to support bone mineral density.*
  • Choline – Contributes to cellular health and metabolic support.*
  • Silicon – Supports collagen formation and bone matrix strength.*

Key Benefits

  • Supports Bone Density & Strength – Promotes skeletal integrity with synergistic nutrients.*
  • Vitamin D3 & K2 MK-7® Synergy – Helps optimize calcium absorption and distribution.*
  • Bioavailable Calcium (MCHC) – Provides structural building blocks for healthy bones.*
  • Bone Matrix Support – Silicon and phosphorus contribute to bone resilience.*
  • Doctor Formulated – Developed using principles of preventive longevity medicine.
  • Clean Formula – Non-GMO, gluten-free, and made with high-quality ingredients.

Who May Benefit

  • Individuals concerned about bone density
  • Adults seeking long-term skeletal support
  • People interested in vitamin K2 and D3 synergy
  • Individuals focused on calcium metabolism and bone strength
  • Those looking for practitioner-grade bone health supplementation

Why RetzlerRx®

RetzlerRx® supplements are developed using practitioner-grade standards and clinically relevant formulations. These products reflect the philosophy of HormoneSynergy® Longevity Medicine, where advanced diagnostics, targeted nutrition, and evidence-based preventive longevity medicine support long-term skeletal and metabolic health.

  • Physician formulated
  • Practitioner-grade quality
  • Targeted nutrient synergy
  • Non-GMO and gluten-free
  • No unnecessary fillers

Suggested Use

Take two capsules daily, or as directed by your healthcare provider.


Frequently Asked Questions

What does OsteoStrength MK-7 support?

OsteoStrength MK-7 is designed to support bone density, skeletal strength, and healthy calcium metabolism.*

Why combine vitamin D3 and K2?

Vitamin D3 supports calcium absorption while vitamin K2 helps guide calcium into bones and away from soft tissues.*

What is microcrystalline hydroxyapatite calcium?

MCHC is a bioavailable form of calcium derived from natural bone matrix components that supports bone mineral structure.*

Who should consider bone support supplements?

Adults concerned about bone density, skeletal strength, or calcium metabolism may benefit from targeted bone health nutrients.*


*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

HormoneSynergy® Longevity Medicine
Portland • Lake Oswego • Oregon
Evidence-Based Preventive Longevity Medicine