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Dr. Grey AI

Protocol · Bone & Joint Health

Osteopenia (Low Bone Density) Supportive Care Protocol

Calcium and Vitamin D are the core of this stack, with 6 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Osteopenia (Low Bone Density) Supportive Care.

We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.

The stack

8 supplements · none graded yet · 1 confirmed study

Amount listed in this protocol; not a recommendation.

Supplements in the Osteopenia (Low Bone Density) Supportive Care protocol, with the amount the protocol lists, the grade on file and confirmed studies
GradeSupplementAmount listedWhy it’s in the stackEvidence on fileShop
Primary stackThe core of this protocol
CalciumAmount listed: 1,000–1,200 mg daily from diet + supplements combined (divided doses)

Essential mineral for bone structure; adequate intake prevents bone loss

Not graded yet
Vitamin DAmount listed: 2,000–4,000 IU daily (target 30–50 ng/mL)

Essential for calcium absorption and bone metabolism; deficiency causes bone loss

Not graded yet
Supporting stackListed as additions to the core
Vitamin K2Amount listed: 100–200 mcg MK-7 daily or 45 mg MK-4 daily

Activates osteocalcin to direct calcium into bones; works synergistically with vitamin D

Not graded yet
MagnesiumAmount listed: 300–400 mg daily

Critical for bone matrix and calcium regulation; 60% of body magnesium is in bones

Not graded yet
Collagen PeptidesAmount listed: 5–10 g daily

Provides amino acids for bone matrix; may stimulate osteoblast activity

Not graded yet

Confirmed studies for Collagen Peptides (titles as PubMed lists them)

StrontiumAmount listed: 680 mg strontium citrate daily (take separately from calcium)

Incorporates into bone; may support bone formation and reduce resorption

Not graded yet
BoronAmount listed: 3–6 mg daily

Supports calcium and vitamin D metabolism; may reduce bone loss

Not graded yet
SiliconAmount listed: 6–20 mg daily (as orthosilicic acid)

Involved in collagen synthesis and bone mineralization

Not graded yet

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How this protocol works

In plain language

Osteopenia is lower-than-normal bone density that's not severe enough to be called osteoporosis. It's diagnosed by a DEXA scan showing a T-score between -1.0 and -2.5. Many people with osteopenia will develop osteoporosis if bone loss continues. Risk factors include aging (especially postmenopause), low body weight, smoking, excessive alcohol, certain medications (steroids, PPIs), sedentary lifestyle, and poor nutrition. The goal is to prevent further bone loss and reduce fracture risk.

CRITICAL: Osteopenia management involves both lifestyle modifications and potentially medications depending on fracture risk. Weight-bearing exercise and resistance training are essential - they directly stimulate bone formation. Fall prevention is crucial. Avoid smoking and limit alcohol. Calculate 10-year fracture risk (FRAX score) to determine if medication is needed. Bisphosphonates or other medications may be recommended for higher-risk individuals. These supplements support bone health but work best with exercise and adequate protein intake.

Calcium* is the primary mineral in bone. Most adults need 1000-1200mg daily from food and supplements combined. Don't exceed 2000mg daily (cardiovascular concerns with excessive supplementation). Food sources are preferred when possible.

Vitamin D* is essential for calcium absorption. Without adequate vitamin D, you won't absorb enough calcium regardless of intake. Most people need supplementation, especially in winter or with limited sun exposure.

Vitamin K2* activates osteocalcin, a protein that directs calcium into bones (rather than arteries). It works synergistically with vitamin D.

Magnesium* is often overlooked but crucial - 60% of body magnesium is in bones. It's needed for vitamin D activation and bone matrix formation.

Collagen Peptides* provide the protein matrix that calcium attaches to. Studies show they may improve bone density.

Strontium* is incorporated into bone similar to calcium and has been shown to improve bone density, though the prescription form (ranelate) is not available in all countries.

Boron and Silicon* are trace minerals that support bone metabolism.

Expected timeline: Bone changes occur slowly. Allow 1-2 years to see measurable improvements on DEXA scan. Benefits of supplements are cumulative with consistent use.

Printed from drgrey.ai/protocols/osteopenia. For education only; not medical advice. Talk to a clinician before starting any supplement.