NaturesPlus Cal/Mag/Vit D3 with Vitamin K2 supplement bottle
NaturesPlus

Cal/Mag/Vit D3 with Vitamin K2 Review

What We Researched
5 active ingredients analyzed · 7 inactive ingredients decoded · Last updated: Aug 2026
96
Product Score Excellent
58
Brand Score Poor

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as cholecalciferol) (vegan, D3) (1000 IU) 25 mcg 125%
Vitamin K (as phytonadione) 120 mcg 100%
Calcium (as amino acid chelate†) 1200 mg 92%
Magnesium (as amino acid chelate†) 600 mg 143%
Vitamin K2 (as All-Trans menaquinone-7 (MK-7) (K2VITAL™)‡ 100 mcg
Bioavailability Excellent

Absorption Rating

  • Vitamin D (as cholecalciferol) (vegan, D3) (1000 IU) Good
  • Vitamin K (as phytonadione) Fair
  • Calcium (as amino acid chelate†) Good
  • Magnesium (as amino acid chelate†) Good
  • Vitamin K2 (as All-Trans menaquinone-7 (MK-7) (K2VITAL™)‡ Good
Other Ingredients Excellent

Fillers & Additives

  • Magnesium Stearate
  • Microcrystalline Cellulose
  • Calcium Carbonate
  • Vegetable Cellulose
  • Stearic Acid
  • Pharmaceutical Glaze
  • Silica
Efficacy Excellent

Dosage Analysis

  • Vitamin D (as cholecalciferol) (vegan, D3) (1000 IU) 25 mcg Effective
  • Vitamin K (as phytonadione) 120 mcg Effective
  • Calcium (as amino acid chelate†) 1200 mg Effective
  • Magnesium (as amino acid chelate†) 600 mg High
  • Vitamin K2 (as All-Trans menaquinone-7 (MK-7) (K2VITAL™)‡ 100 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as cholecalciferol) (vegan, D3) (1000 IU) 25 mcg 125%
Vitamin K (as phytonadione) 120 mcg 100%
Calcium (as amino acid chelate†) 1200 mg 92%
Magnesium (as amino acid chelate†) 600 mg 143%
Vitamin K2 (as All-Trans menaquinone-7 (MK-7) (K2VITAL™)‡ 100 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Microcrystalline Cellulose Safe

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

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
NaturesPlus

Founded 1972 · Melville, New York, United States · 534 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
Related Supplements
Frequently Asked Questions
Is NaturesPlus Cal/Mag/Vit D3 with Vitamin K2 a good supplement?

NaturesPlus Cal/Mag/Vit D3 with Vitamin K2 received a product quality score of 96/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 5 active ingredients with 45 servings per container. Of the 7 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 58/100.

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

NaturesPlus Cal/Mag/Vit D3 with Vitamin K2 contains 5 active ingredients: Vitamin D (as cholecalciferol) (vegan, D3) (1000 IU) (25 mcg), Vitamin K (as phytonadione) (120 mcg), Calcium (as amino acid chelate†) (1200 mg), Magnesium (as amino acid chelate†) (600 mg), Vitamin K2 (as All-Trans menaquinone-7 (MK-7) (K2VITAL™)‡ (100 mcg). 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 safe to take?

NaturesPlus Cal/Mag/Vit D3 with Vitamin K2 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 58/100 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 534 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 150,000 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.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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