Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels
The label combines 1,000 IU of D3 with 120 mcg of natto-bean MK-7 in an MCT-containing softgel. It carries the product-specific ISURA Verified Clean seal; US iHerb listed it in stock at $20.97.
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Our Verdict
ISURA verification and substantially greater iHerb buying history than Nordic are meaningful strengths. Nordic ranks slightly higher because its D3 dose more closely matches a major adult trial, its excipient list is cleaner and its active-unit value is better.
Score Breakdown
Pros & Cons
Pros
- •ISURA Verified Clean independently covers the finished product for a broad contaminant panel.
- •The label discloses 120 mcg of MK-7 sourced from natto bean rather than an unspecified vitamin K blend.
- •The softgel contains MCT from RSPO-certified palm and coconut oils.
Cons
- •The softgel contains gelatin, beeswax and caramel color, so it is not vegan and has more excipients than the Nordic formula.
- •Its active-unit costs are approximately $0.35 per 1,000 IU of D3 and $0.29 per 100 mcg of K2.
Specifications
| D3 Form and Source | Cholecalciferol; source not stated on the label |
| Vitamin D3 per Serving | 25 mcg (1,000 IU) |
| K2 Form and Source | Menaquinone-7 (MK-7) from natto bean |
| Vitamin K2 per Serving | 120 mcg |
| Serving Size | 1 softgel |
| Delivery and Fat Carrier | Gelatin softgel with palm- and coconut-derived MCT |
| Dietary and Allergen Notes | No dairy, wheat, gluten, yeast, sesame, egg, fish or shellfish; contains gelatin and beeswax |
| Testing Evidence | ISURA Verified Clean and Non-GMO seals |
Quick Answers
What is the d3 form and source of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels d3 form and source: Cholecalciferol; source not stated on the label.
What is the vitamin d3 per serving of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels vitamin d3 per serving: 25 mcg (1,000 IU).
What is the k2 form and source of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels k2 form and source: Menaquinone-7 (MK-7) from natto bean.
What is the vitamin k2 per serving of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels vitamin k2 per serving: 120 mcg.
What is the serving size of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels serving size: 1 softgel.
What is the delivery and fat carrier of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels delivery and fat carrier: Gelatin softgel with palm- and coconut-derived MCT.
What is the dietary and allergen notes of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels dietary and allergen notes: No dairy, wheat, gluten, yeast, sesame, egg, fish or shellfish; contains gelatin and beeswax.
What is the testing evidence of the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels?
Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels testing evidence: ISURA Verified Clean and Non-GMO seals.
How much does the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels cost?
The Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels lists at $20.97 at iHerb as of August 5, 2026. Prices change often, so the merchant page shows the current figure.
Who is the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels for?
It suits buyers prioritizing named independent contaminant verification, buyers wanting 120 mcg of clearly sourced MK-7. It is not the right pick for vegans, buyers prioritizing low cost per active unit.
Is the Natural Factors, Vitamin D3 & K2, 25 mcg (1,000 IU) & 120 mcg, 60 Softgels worth buying?
The label combines 1,000 IU of D3 with 120 mcg of natto-bean MK-7 in an MCT-containing softgel. It carries the product-specific ISURA Verified Clean seal; US iHerb listed it in stock at $20.97. It ranks #2 in our Top 5 Vitamin D3 + K2 Supplements. ISURA verification and substantially greater iHerb buying history than Nordic are meaningful strengths. Nordic ranks slightly higher because its D3 dose more closely matches a major adult trial, its excipient list is cleaner and its active-unit value is better.
Who Is This For?
Best For
- Buyers prioritizing named independent contaminant verification
- Buyers wanting 120 mcg of clearly sourced MK-7
Not For
- Vegans
- Buyers prioritizing low cost per active unit
Where to Buy
Appears In
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Customer Reviews
Alternatives to Consider
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Nordic Naturals
The label provides 2,000 IU of D3 and 90 mcg of MK-7 in an organic-extra-virgin-olive-oil softgel. The manufacturer provides a lot-number CoA lookup and the iHerb page carries a third-party-purity-tested statement; US iHerb listed it in stock at $16.96.
California Gold Nutrition, Vitamin D3 + K2 MK-7, 180 Capsules
California Gold Nutrition
Each veggie capsule lists 5,000 IU of D3 and 120 mcg of MK-7, with MCT oil among the other ingredients. It is the clear value leader at $0.09 per serving and was listed in stock on US iHerb for $16.20.
Sports Research, D3 + K2, 125 mcg/100 mcg, 60 Softgels
Sports Research
This certified-vegan softgel contains 5,000 IU of lichen-derived D3 and 100 mcg of chickpea-derived MK-7 in coconut MCT and olive oils. US iHerb listed it in stock at $25.97, with 10,000+ recent monthly sales.
NOW Foods, Mega D3 & MK-7, 60 Capsules
NOW Foods
The capsule supplies 5,000 IU of lanolin-derived D3 and 180 mcg of branded MenaQ7 MK-7. US iHerb listed it in stock at $16.52; the label instructs users to take the dry capsule with a fat-containing meal.