NaturesPlus Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets supplement bottle
NaturesPlus

Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets

What We Researched
4 active ingredients analyzed · 7 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
98
Product Score Excellent
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D(as cholecalciferol [D3]) (1000 IU) 25 mcg 125%
Vitamin K (as menatetrenone [K2]) 100 mcg 83%
Calcium (as amino acid chelate†/complex) 1200 mg 92%
Magnesium (as amino acid chelate†) 600 mg 143%
Bioavailability Excellent

Absorption Rating

  • Vitamin D(as cholecalciferol [D3]) (1000 IU) Good
  • Vitamin K (as menatetrenone [K2]) Good
  • Calcium (as amino acid chelate†/complex) Good
  • Magnesium (as amino acid chelate†) Good
Other Ingredients Excellent

Fillers & Additives

  • Calcium Carbonate
  • Vegetable Cellulose
  • Di-Calcium Phosphate
  • Stearic Acid
  • Microcrystalline Cellulose
  • Silica
  • Magnesium Stearate and Pharmaceutical Glaze
Efficacy Excellent

Dosage Analysis

  • Vitamin D(as cholecalciferol [D3]) (1000 IU) 25 mcg Effective
  • Vitamin K (as menatetrenone [K2]) 100 mcg Effective
  • Calcium (as amino acid chelate†/complex) 1200 mg Effective
  • Magnesium (as amino acid chelate†) 600 mg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D(as cholecalciferol [D3]) (1000 IU) 25 mcg 125%
Vitamin K (as menatetrenone [K2]) 100 mcg 83%
Calcium (as amino acid chelate†/complex) 1200 mg 92%
Magnesium (as amino acid chelate†) 600 mg 143%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Di-Calcium Phosphate Generally_safe

It is used as a filler or source of calcium and phosphorus.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Microcrystalline Cellulose Safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate and Pharmaceutical Glaze Generally_safe

Magnesium stearate is used to prevent ingredients from sticking to manufacturing equipment, and pharmaceutical glaze provides a shiny coating.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$19$18$17$16$15 Mar 12 $17.38
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
NaturesPlus

Founded 1972 · Melville, New York, United States · 420 products · naturesplus.com

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed

Violation History

1 incident
Recall Keto Living Sugar Control Capsules2022-05-06Source
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Frequently Asked Questions
Is NaturesPlus Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets a good supplement?

NaturesPlus Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets received a product quality score of 98/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 4 active ingredients with 22 servings per container. Of the 7 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 59/100.

What are the ingredients in NaturesPlus Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets?

NaturesPlus Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets contains 4 active ingredients: Vitamin D(as cholecalciferol [D3]) (1000 IU) (25 mcg), Vitamin K (as menatetrenone [K2]) (100 mcg), Calcium (as amino acid chelate†/complex) (1200 mg), Magnesium (as amino acid chelate†) (600 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets safe to take?

NaturesPlus Cal/Mag/Vit D3 with Vitamin K2, 90 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NaturesPlus a trustworthy supplement brand?

NaturesPlus receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Melville, New York, United States, the company offers 420 products in their lineup. Note: NaturesPlus has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

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 does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

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.

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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.