Futurebiotics Calcium With Vitamin D3, Sustained Release, 180 Tablets supplement bottle
Futurebiotics

Calcium With Vitamin D3, Sustained Release, 180 Tablets

What We Researched
3 active ingredients analyzed · 5 inactive ingredients decoded · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
77
Product Score Fair
75
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3(as Cholecalciferol) (1000 IU) 25 mcg 125%
Calcium(as 90% Calcium Carbonate & 10% Calcium Citrate) 1200 mg 92%
Magnesium(as Magnesium Oxide) 80 mg 19%
Bioavailability Fair

Absorption Rating

  • Vitamin D3(as Cholecalciferol) (1000 IU) Good
  • Calcium(as 90% Calcium Carbonate & 10% Calcium Citrate) Fair
  • Magnesium(as Magnesium Oxide) Poor
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose
  • Stearic Acid
  • Magnesium Stearate
  • Silicon Dioxide
  • Polyethylene Glycol Low
Efficacy Good

Dosage Analysis

  • Vitamin D3(as Cholecalciferol) (1000 IU) 25 mcg Effective
  • Calcium(as 90% Calcium Carbonate & 10% Calcium Citrate) 1200 mg Effective
  • Magnesium(as Magnesium Oxide) 80 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3(as Cholecalciferol) (1000 IU) 25 mcg 125%
Calcium(as 90% Calcium Carbonate & 10% Calcium Citrate) 1200 mg 92%
Magnesium(as Magnesium Oxide) 80 mg 19%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 Mar 12 $14.99
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Futurebiotics

Founded 1984 · Hauppauge, New York, USA · 90 products · futurebiotics.com

Certifications

3 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Futurebiotics Calcium With Vitamin D3, Sustained Release a good supplement?

Futurebiotics Calcium With Vitamin D3, Sustained Release, 180 Tablets received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients with 90 servings per container. Of the 5 inactive ingredients, 4 are rated safe and 1 are flagged for review. The manufacturer, Futurebiotics, holds a brand trust score of 75/100 with 3 verified certifications including Consumerlab, Fda Gmp Inspections, Usda Organic.

What are the ingredients in Futurebiotics Calcium With Vitamin D3, Sustained Release?

Futurebiotics Calcium With Vitamin D3, Sustained Release contains 3 active ingredients: Vitamin D3(as Cholecalciferol) (1000 IU) (25 mcg), Calcium(as 90% Calcium Carbonate & 10% Calcium Citrate) (1200 mg), Magnesium(as Magnesium Oxide) (80 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Futurebiotics Calcium With Vitamin D3, Sustained Release safe to take?

Futurebiotics Calcium With Vitamin D3, Sustained Release, 180 Tablets has been analyzed for ingredient safety across all its components. Of 5 inactive ingredients, 4 are rated safe. 1 ingredient is flagged for review: Polyethylene Glycol. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Futurebiotics a trustworthy supplement brand?

Futurebiotics receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1984 and headquartered in Hauppauge, New York, USA, the company offers 90 products in their lineup. They hold 3 verified certifications including Consumerlab, Fda Gmp Inspections, Usda Organic. 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.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. 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.