NaturesPlus Vitamin D3 & K2, 90 Capsules supplement bottle
NaturesPlus

Vitamin D3 & K2, 90 Capsules

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 3 retailers compared · Last updated: Mar 2026
100
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 menaquinone-7 [K2]) 100 mcg
Bioavailability Excellent

Absorption Rating

  • Vitamin D (as cholecalciferol [D3]) (1000 IU) Good
  • Vitamin K (as menaquinone-7 [K2]) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Vegetable Cellulose
  • Silica
  • Magnesium stearate and water
Efficacy Excellent

Dosage Analysis

  • Vitamin D (as cholecalciferol [D3]) (1000 IU) 25 mcg Effective
  • Vitamin K (as menaquinone-7 [K2]) 100 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as cholecalciferol [D3]) (1000 IU) 25 mcg 125%
Vitamin K (as menaquinone-7 [K2]) 100 mcg

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.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium stearate and water Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$27$26$25$24$23 Mar 12 $25.03
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 Vitamin D3 & K2, 90 Capsules a good supplement?

NaturesPlus Vitamin D3 & K2, 90 Capsules received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients Of the 4 inactive ingredients, 3 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 Vitamin D3 & K2, 90 Capsules?

NaturesPlus Vitamin D3 & K2, 90 Capsules contains 2 active ingredients: Vitamin D (as cholecalciferol [D3]) (1000 IU) (25 mcg), Vitamin K (as menaquinone-7 [K2]) (100 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Vitamin D3 & K2, 90 Capsules safe to take?

NaturesPlus Vitamin D3 & K2, 90 Capsules 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.