Life Extension Dr. Strum's Intensive Bone Formula supplement bottle
Life Extension

Dr. Strum's Intensive Bone Formula Review

What We Researched
9 active ingredients analyzed · 6 inactive ingredients decoded · 4 brand certifications checked · Last updated: Aug 2026
97
Product Score Excellent
87
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as Cholecalciferol) 200 mcg 1000%
Vitamin K2 (as Menaquinone-7) 200 mcg 167%
Calcium (as Di-Calcium Malate) 800 mg 62%
Magnesium (as Magnesium Citrate) 400 mg 95%
Zinc (as Zinc Citrate) 10 mg 91%
Potassium (as Potassium, Potassium Citrate) 1173 mg 25%
Winged Treebine extract (as Ketosterones) 600 mg
Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) 6 mg
Silicon (as Bamboo extract) 5 mg
Bioavailability Excellent

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin K2 (as Menaquinone-7) Good
  • Calcium (as Di-Calcium Malate) Good
  • Magnesium (as Magnesium Citrate) Good
  • Zinc (as Zinc Citrate) Good
  • Potassium (as Potassium, Potassium Citrate) Good
  • Winged Treebine extract (as Ketosterones) Good
  • Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) Good
  • Silicon (as Bamboo extract) Fair
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Maltodextrin
  • Stearic Acid
  • Silica
  • Modified Food Starch
  • Microcrystalline Cellulose
Efficacy Excellent

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 200 mcg High
  • Vitamin K2 (as Menaquinone-7) 200 mcg Effective
  • Calcium (as Di-Calcium Malate) 800 mg Effective
  • Magnesium (as Magnesium Citrate) 400 mg High
  • Zinc (as Zinc Citrate) 10 mg Effective
  • Potassium (as Potassium, Potassium Citrate) 1173 mg Effective
  • Winged Treebine extract (as Ketosterones) 600 mg Effective
  • Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) 6 mg Effective
  • Silicon (as Bamboo extract) 5 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) 200 mcg 1000%
Vitamin K2 (as Menaquinone-7) 200 mcg 167%
Calcium (as Di-Calcium Malate) 800 mg 62%
Magnesium (as Magnesium Citrate) 400 mg 95%
Zinc (as Zinc Citrate) 10 mg 91%
Potassium (as Potassium, Potassium Citrate) 1173 mg 25%
Winged Treebine extract (as Ketosterones) 600 mg
Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) 6 mg
Silicon (as Bamboo extract) 5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Modified Food Starch Generally_safe

It is used as a filler, binder, or thickener in supplements.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Brand Trust Report
Life Extension

Founded 1980 · Fort Lauderdale, Florida, USA · 700 products · lifeextension.com

Certifications

4 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed

Violation History

3 incidents
Prop 65 Lead2018-04-13Source
Fda Warning Making drug claims for dietary supplements, suggesting they can treat, mitigate, or prevent diseases such as breast cancer and Alzheimer's.2017-02-01Source
Fda Warning Letter FDA Warning LetterSource
Related Supplements
Frequently Asked Questions
Is Life Extension Dr. Strum's Intensive Bone Formula a good supplement?

Life Extension Dr. Strum's Intensive Bone Formula received a product quality score of 97/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 9 active ingredients with 30 servings per container. Of the 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Life Extension, holds a brand trust score of 87/100 with 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, NSF Certified.

What are the ingredients in Life Extension Dr. Strum's Intensive Bone Formula?

Life Extension Dr. Strum's Intensive Bone Formula contains 9 active ingredients: Vitamin D3 (as Cholecalciferol) (200 mcg), Vitamin K2 (as Menaquinone-7) (200 mcg), Calcium (as Di-Calcium Malate) (800 mg), Magnesium (as Magnesium Citrate) (400 mg), Zinc (as Zinc Citrate) (10 mg), Potassium (as Potassium, Potassium Citrate) (1173 mg), and 3 more. Notable high-dose ingredients include Vitamin D3 at 1000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Life Extension Dr. Strum's Intensive Bone Formula safe to take?

Life Extension Dr. Strum's Intensive Bone Formula has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Life Extension a trustworthy supplement brand?

Life Extension receives a brand trust score of 87/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Fort Lauderdale, Florida, USA, the company offers 700 products in their lineup. They hold 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Life Extension has 3 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.