Ultra-Cal 1000
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C (as Ascorbic Acid) | 100 mg | 167% |
| Vitamin D3 (as Cholecalciferol) | 500 IU | 125% |
| Vitamin K-1 | 100 mcg | 125% |
| Vitamin K-2 (as Menaquinone-7) | 10 mcg | 12% |
| Folate (as Calcium Folinate, Folic Acid) | 200 mcg | 50% |
| Vitamin B12 (as Methylcobalamin) | 100 mcg | 1667% |
| Calcium (as Microcrystalline Calcium Hydroxyapatite) | 500 mg | 50% |
| Magnesium (as Magnesium Chelate, Magnesium Oxide) | 250 mg | 63% |
| Zinc (as Zinc Monomethionine) | 5 mg | 34% |
| Copper (as Copper Sebacate) | 500 mcg | 25% |
| Phosphorus (as Microcrystalline Calcium Hydroxyapatite) | 200 mg | 20% |
| Manganese (as Manganese Ascorbate) | 1 mg | 50% |
| Glucosamine Sulfate (as Glucosamine Sulfate Potassium Chloride) | 150 mg | † |
| Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) | 1.5 mg | † |
Bioavailability Very Good
Absorption Rating
- Vitamin C (as Ascorbic Acid) Fair
- Vitamin D3 (as Cholecalciferol) Good
- Vitamin K-1 Good
- Vitamin K-2 (as Menaquinone-7) Good
- Folate (as Calcium Folinate, Folic Acid) Good
- Vitamin B12 (as Methylcobalamin) Good
- Calcium (as Microcrystalline Calcium Hydroxyapatite) Good
- Magnesium (as Magnesium Chelate, Magnesium Oxide) Poor
- Zinc (as Zinc Monomethionine) Good
- Copper (as Copper Sebacate) Fair
- Phosphorus (as Microcrystalline Calcium Hydroxyapatite) Good
- Manganese (as Manganese Ascorbate) Good
- Glucosamine Sulfate (as Glucosamine Sulfate Potassium Chloride) Good
- Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) Good
Other Ingredients Excellent
Fillers & Additives
- Gelatin
- Silica
- Magnesium Stearate
Efficacy Fair
Dosage Analysis
- Vitamin C (as Ascorbic Acid) 100 mg Effective
- Vitamin D3 (as Cholecalciferol) 500 IU Under-dosed
- Vitamin K-1 100 mcg Effective
- Vitamin K-2 (as Menaquinone-7) 10 mcg Under-dosed
- Folate (as Calcium Folinate, Folic Acid) 200 mcg Under-dosed
- Vitamin B12 (as Methylcobalamin) 100 mcg Effective
- Calcium (as Microcrystalline Calcium Hydroxyapatite) 500 mg Effective
- Magnesium (as Magnesium Chelate, Magnesium Oxide) 250 mg Effective
- Zinc (as Zinc Monomethionine) 5 mg Under-dosed
- Copper (as Copper Sebacate) 500 mcg Effective
- Phosphorus (as Microcrystalline Calcium Hydroxyapatite) 200 mg Under-dosed
- Manganese (as Manganese Ascorbate) 1 mg Under-dosed
- Glucosamine Sulfate (as Glucosamine Sulfate Potassium Chloride) 150 mg Under-dosed
- Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) 1.5 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Protein | 1 g | 2% |
| Vitamin C (as Ascorbic Acid) | 100 mg | 167% |
| Vitamin D3 (as Cholecalciferol) | 500 IU | 125% |
| Vitamin K-1 | 100 mcg | 125% |
| Vitamin K-2 (as Menaquinone-7) | 10 mcg | 12% |
| Folate (as Calcium Folinate, Folic Acid) | 200 mcg | 50% |
| Vitamin B12 (as Methylcobalamin) | 100 mcg | 1667% |
| Calcium (as Microcrystalline Calcium Hydroxyapatite) | 500 mg | 50% |
| Magnesium (as Magnesium Chelate, Magnesium Oxide) | 250 mg | 63% |
| Zinc (as Zinc Monomethionine) | 5 mg | 34% |
| Copper (as Copper Sebacate) | 500 mcg | 25% |
| Phosphorus (as Microcrystalline Calcium Hydroxyapatite) | 200 mg | 20% |
| Manganese (as Manganese Ascorbate) | 1 mg | 50% |
| Glucosamine Sulfate (as Glucosamine Sulfate Potassium Chloride) | 150 mg | † |
| Boron (as Boron Aspartate, Boron Citrate, Boron Glycinate) | 1.5 mg | † |
Other Ingredients
Price Comparison
Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.
Is Source Naturals Ultra-Cal 1000 a good supplement?
Source Naturals Ultra-Cal 1000 received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 15 active ingredients with 80 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.
What are the ingredients in Source Naturals Ultra-Cal 1000?
Source Naturals Ultra-Cal 1000 contains 15 active ingredients: Protein (1 g), Vitamin C (as Ascorbic Acid) (100 mg), Vitamin D3 (as Cholecalciferol) (500 IU), Vitamin K-1 (100 mcg), Vitamin K-2 (as Menaquinone-7) (10 mcg), Folate (as Calcium Folinate, Folic Acid) (200 mcg), and 9 more. Notable high-dose ingredients include Vitamin B12 at 1667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Source Naturals Ultra-Cal 1000 safe to take?
Source Naturals Ultra-Cal 1000 has been analyzed for ingredient safety across all its components. All 3 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 Source Naturals a trustworthy supplement brand?
Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.
Scan Any Supplement Instantly
Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.