Major Calcium 250 mg + D3 supplement bottle
Major

Calcium 250 mg + D3

What We Researched
2 active ingredients analyzed · 16 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
43
Product Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as Cholecalciferol) 125 IU 31%
Calcium (as Calcium Carbonate) 250 mg 25%
Bioavailability Very Good

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) Good
  • Calcium (as Calcium Carbonate) Fair
Other Ingredients Poor

Fillers & Additives

  • Microcrystalline Cellulose
  • Acacia
  • Maltodextrin
  • Croscarmellose Sodium
  • Hypromellose
  • Polydextrose
  • Titanium Dioxide High
  • Talc High
  • Soy Polysaccharides
  • Sodium Lauryl Sulfate Low
  • Starch
  • Triglycerides
  • Sucrose
  • Sodium Ascorbate
  • Silica
  • Mixed Tocopherols
Efficacy Very Poor

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 125 IU Under-dosed
  • Calcium (as Calcium Carbonate) 250 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) 125 IU 31%
Calcium (as Calcium Carbonate) 250 mg 25%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

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

Acacia Generally_safe

It is used as a binder or thickener.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Polydextrose Generally_safe

It is used as a filler, to add bulk, and as a prebiotic fiber.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Soy Polysaccharides Unknown
Sodium Lauryl Sulfate Caution

It is used to help mix oil and water-based ingredients.

Starch Generally_safe

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

Triglycerides Generally_safe

They may be used as a carrier or to improve absorption of fat-soluble ingredients.

Sucrose Generally_safe

It is used as a sweetener.

Sodium Ascorbate Safe

It helps to stabilize the pH and prevent oxidation.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Mixed Tocopherols Safe

Prevents oxidation and rancidity in oil-based supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$10$9$8$7$6 $8.47
Target

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

Brand Trust Report
Major

· 135 products

Transparency

1 claim
Related Supplements
Frequently Asked Questions
Is Major Calcium 250 mg + D3 a good supplement?

Major Calcium 250 mg + D3 received a product quality score of 43/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 2 active ingredients Of the 16 inactive ingredients, 6 are rated safe and 2 are flagged for review.

What are the ingredients in Major Calcium 250 mg + D3?

Major Calcium 250 mg + D3 contains 2 active ingredients: Vitamin D3 (as Cholecalciferol) (125 IU), Calcium (as Calcium Carbonate) (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Major Calcium 250 mg + D3 safe to take?

Major Calcium 250 mg + D3 has been analyzed for ingredient safety across all its components. Of 16 inactive ingredients, 6 are rated safe. 2 ingredients are flagged for review: Titanium Dioxide, Sodium Lauryl Sulfate. '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.

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.