PowerCal 1000 mg Review
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calcium (as Calcium Carbonate, Calcium Citrate) | 1000 mg | 100% |
| Magnesium (as Magnesium Aspartate, Magnesium Oxide) | 750 mg | 187.5% |
| Zinc (as Zinc Citrate) | 10 mg | 66.67% |
| Manganese (as Manganese Citrate) | 3 mg | 150% |
| Vitamin D3 (as Cholecalciferol) | 1000 IU | 250% |
| Boron (as {boron} AAC) | 3 mg | † |
| Strontium (as Strontium Citrate) | 650 mg | † |
| Oat Straw | 40 mg | † |
Bioavailability Very Good
Absorption Rating
- Calcium (as Calcium Carbonate, Calcium Citrate) Fair
- Magnesium (as Magnesium Aspartate, Magnesium Oxide) Good
- Zinc (as Zinc Citrate) Good
- Manganese (as Manganese Citrate) Good
- Vitamin D3 (as Cholecalciferol) Good
- Boron (as {boron} AAC) Fair
- Strontium (as Strontium Citrate) Good
- Oat Straw Fair
Other Ingredients Excellent
Fillers & Additives
- Stearic Acid
- Magnesium Stearate
- Croscarmellose Sodium
- Cellulose
- Silicon Dioxide
Efficacy Very Good
Dosage Analysis
- Calcium (as Calcium Carbonate, Calcium Citrate) 1000 mg Effective
- Magnesium (as Magnesium Aspartate, Magnesium Oxide) 750 mg High
- Zinc (as Zinc Citrate) 10 mg Effective
- Manganese (as Manganese Citrate) 3 mg Effective
- Vitamin D3 (as Cholecalciferol) 1000 IU Effective
- Boron (as {boron} AAC) 3 mg Effective
- Strontium (as Strontium Citrate) 650 mg Effective
- Oat Straw 40 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Calcium (as Calcium Carbonate, Calcium Citrate) | 1000 mg | 100% |
| Magnesium (as Magnesium Aspartate, Magnesium Oxide) | 750 mg | 187.5% |
| Zinc (as Zinc Citrate) | 10 mg | 66.67% |
| Manganese (as Manganese Citrate) | 3 mg | 150% |
| Vitamin D3 (as Cholecalciferol) | 1000 IU | 250% |
| Boron (as {boron} AAC) | 3 mg | † |
| Strontium (as Strontium Citrate) | 650 mg | † |
| Oat Straw | 40 mg | † |
Other Ingredients
Certifications
3 certifications
Transparency
5 claims
Is Zahler PowerCal 1000 mg a good supplement?
Zahler PowerCal 1000 mg received a product quality score of 91/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 8 active ingredients with 45 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Zahler, holds a brand trust score of 81/100 with 3 verified certifications including Fda Gmp Inspections, Kosher Certified, NSF Certified.
What are the ingredients in Zahler PowerCal 1000 mg?
Zahler PowerCal 1000 mg contains 8 active ingredients: Calcium (as Calcium Carbonate, Calcium Citrate) (1000 mg), Magnesium (as Magnesium Aspartate, Magnesium Oxide) (750 mg), Zinc (as Zinc Citrate) (10 mg), Manganese (as Manganese Citrate) (3 mg), Vitamin D3 (as Cholecalciferol) (1000 IU), Boron (as {boron} AAC) (3 mg), and 2 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 Zahler PowerCal 1000 mg safe to take?
Zahler PowerCal 1000 mg has been analyzed for ingredient safety across all its components. All 5 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Zahler a trustworthy supplement brand?
Zahler receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2005 and headquartered in Brooklyn, NY, USA, the company offers 174 products in their lineup. They hold 3 verified certifications including Fda Gmp Inspections, Kosher Certified, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Zahler has 4 historical regulatory incidents on record, which are factored into the trust score.
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