Bone CoFactors Review
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin D3 (as Cholecalciferol) | 50 mcg | 250% |
| Calcium (as Microcrystalline Hydroxyapatite) | 500 mg | 38% |
| Phosphorus (as Microcrystalline Hydroxyapatite) | 225 mg | 18% |
| Magnesium (as Magnesium Glycinate Chelate Complex) | 200 mg | 48% |
| Zinc (as Zinc Monomethionine) | 10 mg | 91% |
| Copper (as Copper Amino Acid Chelate) | 1 mg | 111% |
| Manganese (as Manganese Amino Acid Chelate) | 2 mg | 87% |
| Vitamin K-2 (as Menaquinone-7) | 90 mcg | † |
| Boron (as Boron Amino Acid Chelate) | 3 mg | † |
| MBP | 40 mg | † |
Bioavailability Very Good
Absorption Rating
- Vitamin D3 (as Cholecalciferol) Good
- Calcium (as Microcrystalline Hydroxyapatite) Good
- Phosphorus (as Microcrystalline Hydroxyapatite) Good
- Magnesium (as Magnesium Glycinate Chelate Complex) Good
- Zinc (as Zinc Monomethionine) Good
- Copper (as Copper Amino Acid Chelate) Fair
- Manganese (as Manganese Amino Acid Chelate) Good
- Vitamin K-2 (as Menaquinone-7) Good
- Boron (as Boron Amino Acid Chelate) Fair
- MBP Fair
Other Ingredients Excellent
Fillers & Additives
- Gelatin
- Microcrystalline Cellulose
- Vegetable Stearate
- Silica
Efficacy Very Good
Dosage Analysis
- Vitamin D3 (as Cholecalciferol) 50 mcg Effective
- Calcium (as Microcrystalline Hydroxyapatite) 500 mg Effective
- Phosphorus (as Microcrystalline Hydroxyapatite) 225 mg Under-dosed
- Magnesium (as Magnesium Glycinate Chelate Complex) 200 mg Effective
- Zinc (as Zinc Monomethionine) 10 mg Effective
- Copper (as Copper Amino Acid Chelate) 1 mg Effective
- Manganese (as Manganese Amino Acid Chelate) 2 mg Effective
- Vitamin K-2 (as Menaquinone-7) 90 mcg Effective
- Boron (as Boron Amino Acid Chelate) 3 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin D3 (as Cholecalciferol) | 50 mcg | 250% |
| Calcium (as Microcrystalline Hydroxyapatite) | 500 mg | 38% |
| Phosphorus (as Microcrystalline Hydroxyapatite) | 225 mg | 18% |
| Magnesium (as Magnesium Glycinate Chelate Complex) | 200 mg | 48% |
| Zinc (as Zinc Monomethionine) | 10 mg | 91% |
| Copper (as Copper Amino Acid Chelate) | 1 mg | 111% |
| Manganese (as Manganese Amino Acid Chelate) | 2 mg | 87% |
| Vitamin K-2 (as Menaquinone-7) | 90 mcg | † |
| Boron (as Boron Amino Acid Chelate) | 3 mg | † |
| MBP | 40 mg | † |
Other Ingredients
Certifications
6 certifications
Transparency
5 claims
Violation History
2 incidents
Is Douglas Laboratories Bone CoFactors a good supplement?
Douglas Laboratories Bone CoFactors received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 10 active ingredients with 30 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Douglas Laboratories, holds a brand trust score of 100/100.
What are the ingredients in Douglas Laboratories Bone CoFactors?
Douglas Laboratories Bone CoFactors contains 10 active ingredients: Vitamin D3 (as Cholecalciferol) (50 mcg), Calcium (as Microcrystalline Hydroxyapatite) (500 mg), Phosphorus (as Microcrystalline Hydroxyapatite) (225 mg), Magnesium (as Magnesium Glycinate Chelate Complex) (200 mg), Zinc (as Zinc Monomethionine) (10 mg), Copper (as Copper Amino Acid Chelate) (1 mg), and 4 more. Notable high-dose ingredients include Vitamin D3 at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Douglas Laboratories Bone CoFactors safe to take?
GoodSupp reviewed the inactive-ingredient data available for Douglas Laboratories Bone CoFactors. All 4 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Douglas Laboratories a trustworthy supplement brand?
Douglas Laboratories receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. Note: Douglas Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.
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