Health Thru Nutrition Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels supplement bottle
Health Thru Nutrition

Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels

What We Researched
6 active ingredients analyzed · 10 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
71
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (cholecalciferol) (1000 IU) 25 mcg 125%
Vitamin K (phylloquinone) 10 mcg 8%
Calcium (elemental as carbonate, citrate, gluconate, aspartate, malate, micronized hydroxyapatite) 1000 mg 77%
Magnesium (elemental as oxide, aspartate, citrate) 400 mg 95%
Boron (elemental as gluconate) 1 mg *
Horsetail (extract e. arvense) 25 mg *
Bioavailability Very Good

Absorption Rating

  • Vitamin D3 (cholecalciferol) (1000 IU) Good
  • Vitamin K (phylloquinone) Fair
  • Calcium (elemental as carbonate, citrate, gluconate, aspartate, malate, micronized hydroxyapatite) Good
  • Magnesium (elemental as oxide, aspartate, citrate) Good
  • Boron (elemental as gluconate) Fair
Other Ingredients Good

Fillers & Additives

  • Olive Oil
  • Kosher Beef Gelatin
  • Vegetable Glycerin
  • Purified Water
  • Sunflower Lecithin
  • Evening primrose oil
  • Silicon Dioxide
  • Titanium Dioxide High
  • Maltodextrin
  • Dicalcium phosphate anhydrous
Efficacy Fair

Dosage Analysis

  • Vitamin D3 (cholecalciferol) (1000 IU) 25 mcg Effective
  • Vitamin K (phylloquinone) 10 mcg Under-dosed
  • Calcium (elemental as carbonate, citrate, gluconate, aspartate, malate, micronized hydroxyapatite) 1000 mg Effective
  • Magnesium (elemental as oxide, aspartate, citrate) 400 mg High
  • Boron (elemental as gluconate) 1 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (cholecalciferol) (1000 IU) 25 mcg 125%
Vitamin K (phylloquinone) 10 mcg 8%
Calcium (elemental as carbonate, citrate, gluconate, aspartate, malate, micronized hydroxyapatite) 1000 mg 77%
Magnesium (elemental as oxide, aspartate, citrate) 400 mg 95%
Boron (elemental as gluconate) 1 mg *
Horsetail (extract e. arvense) 25 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Olive Oil Safe

Helps dissolve and absorb fat-soluble vitamins (A, D, E, K).

Kosher Beef Gelatin Generally_safe

It is used to encapsulate supplement ingredients.

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Evening primrose oil Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Dicalcium phosphate anhydrous Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$21$20$19$18 Mar 12 $19.99
Vitacost

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

Brand Trust Report
Health Thru Nutrition

Founded 1995 · Westbury, NY, United States · 73 products · htnnaturally.com/

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Health Thru Nutrition Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels a good supplement?

Health Thru Nutrition Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels received a product quality score of 71/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 6 active ingredients with 33 servings per container. Of the 10 inactive ingredients, 5 are rated safe and 1 are flagged for review. The manufacturer, Health Thru Nutrition, holds a brand trust score of 62/100.

What are the ingredients in Health Thru Nutrition Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels?

Health Thru Nutrition Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels contains 6 active ingredients: Vitamin D3 (cholecalciferol) (1000 IU) (25 mcg), Vitamin K (phylloquinone) (10 mcg), Calcium (elemental as carbonate, citrate, gluconate, aspartate, malate, micronized hydroxyapatite) (1000 mg), Magnesium (elemental as oxide, aspartate, citrate) (400 mg), Boron (elemental as gluconate) (1 mg), Horsetail (extract e. arvense) (25 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Health Thru Nutrition Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels safe to take?

Health Thru Nutrition Calcium 1000 mg - Magnesium 400 mg + 1000 IU D3 Non-GMO, 100 Softgels has been analyzed for ingredient safety across all its components. Of 10 inactive ingredients, 5 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide. '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 Health Thru Nutrition a trustworthy supplement brand?

Health Thru Nutrition receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1995 and headquartered in Westbury, NY, United States, the company offers 73 products in their lineup.

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.