Vitamin D3 + K2, 60 Veg Capsules
by California Gold Nutrition
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California Gold Nutrition pairs cholecalciferol (D3) with MK-7 menaquinone — the long-acting form of K2 — in a single vegetarian capsule that reviewers consistently single out over basic D3-only options. Best for People in low-sunlight climates who supplement D3 year-round and Anyone correcting a diagnosed vitamin D deficiency who wants calcium directed to bones rather than arteries.
According to the AIScored 0–100 scoring system, Vitamin D3 + K2, 60 Veg Capsules by California Gold Nutrition scores 79.0/100, ranking #15 out of 35 products in Vitamin D (2026). Strongest category: Side Effects (90.0/100). Weakest: Certifications (47.0/100).
Is Vitamin D3 + K2, 60 Veg Capsules worth buying?
“California Gold Nutrition's Vitamin D3 + K2 scores a solid 78/100, combining the superior MK-7 form of K2 with proven bioavailability in small, flavourless capsules that are genuinely easy to take daily. It's a clean, no-nonsense formula that harnesses the latest research on how K2 directs calcium to your bones rather than soft tissue.”
What Do Reviewers Say About Vitamin D3 + K2, 60 Veg Capsules?
Sample excerpts from currently available source material used in this product analysis.
"Distinguished. It arrived perfectly sealed. The quantity is generous and will last a long time. The size is great. There's no creamy smell. The packaging is very secure and good. The delivery time was fast and standard. The quality is excel..."
"Sweet and effective, thank God. It's very good because it contains K2, and everyone says that D must be with K for absorption and not to affect the body's calcium. There is no taste, thank God, and the package is the right size, meaning it..."
"An excellent addition. This product is an excellent supplement to support bone and heart health. It combines vitamin D3, which is essential for calcium absorption, with vitamin K2 (as MK-7), which ensures that calcium is transported to the..."
"amazing. The quality is excellent. The ingredients are important vitamins for general health. The quantity is very suitable compared to the price. The daily dose is appropriate and provides a good effect, boosting the body's immunity. The p..."
"Quality: High-quality blend of Vitamin D3 and MK-7 for enhanced absorption and synergy. Size: Smaller-than-standard capsule; very easy to swallow. Dosage: Once daily. Benefit: Supports bone, immune, and cardiovascular health. Package: Easy-..."
How does Vitamin D3 + K2, 60 Veg Capsules score?
Detailed score breakdown and key findings from our analysis of 50 reviews across 1 source.
Pros
- +Uses MK-7 form of K2 (menaquinone-7), which has a longer half-life than MK-4 and is considered the preferred supplemental form for directing calcium to bones
- +Very small capsules — tasteless, odourless, and easy to swallow, noted by a clear majority of reviewers
- +60-capsule bottle provides a two-month supply; reviewers consistently rate it as strong value for the price
- +Vegetarian capsule shell, gluten-free, soy-free, and GMO-free — suits most dietary needs
- +Multiple reviewers report measurable improvement in vitamin D blood levels and faster resolution of diagnosed deficiency
Cons
- -Exact D3 and K2 doses are absent from the product description — buyers must look elsewhere to confirm they match their clinical needs
- -No independent product testing per specs, despite iTested language in the product copy
- -Contains tree nuts via coconut-derived MCT oil — an allergen concern for some users
Best For
Watch Out
- !People on anticoagulants such as warfarin should consult a doctor before taking K2, as it affects clotting pathways
- !Exact IU dose of D3 and mcg dose of K2 are not in the product description — verify before purchase if precise dosing matters for correcting a clinical deficiency
- !Contains coconut (MCT oil) — relevant to tree nut allergies
What is Vitamin D3 + K2, 60 Veg Capsules?
Vitamin D3 + K2, 60 Veg Capsules is a vitamin d product by California Gold Nutrition, scoring 79.0/100 on AIScored.
- • Product overview Description California Gold Nutrition® Vitamin D3 + K2 Veggie Capsules Featuring a Blend of Vitamin D3 and K2 Bone and Cardiovascular Support* Synergistic Formula* Formulated without Gluten, GMOs, or Soy Scientifically-Developed Dietary Supplement Both vitamin D and vitamin K are essential nutrients needed for a healthy lifestyle.
- • California Gold Nutrition Vitamin D3 + K2 combines both of these vitamins into a single synergistic formula that can help support bone and cardiovascular health.* Benefits of Vitamins D3 and K2 Both vitamin D3 and vitamin K2 play important roles in the body and overall health.
- • Vitamin D3 helps your body absorb calcium and phosphorus, both of which are important for building and maintaining strong bones.* In addition, Vitamin K2 can provide added support for the development of strong bones and may also support the cardiovascular system, as it can potentially promote healthy blood clotting.* iTested Verified Suggested use Take 1 capsule daily, with food.
- • Best when taken as directed by a qualified healthcare professional.
- • Other ingredients Main Ingredients Vitamin D (as D3, Cholecalciferol), Vitamin K2 (as Menaquinone-7) Other Ingredients Dicalcium Phosphate, Microcrystalline Cellulose, Modified Cellulose (Hypromellose Veggie Capsule), Magnesium Stearate, Silicon Dioxide (Silica), and MCT Oil.
- • Contains: Tree Nuts (Coconut) Not manufactured with milk, eggs, fish, crustacean shellfish, peanuts, wheat, soya, sesame, or gluten.
- • Produced in a FDA-registered, third-party audited, and cGMP-compliant facility that may process other products that contain these allergens or ingredients.
- • Warnings Keep out of reach of children.
- • Consult with a licensed physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.
- • Sealed for your protection.
- • Do not use if seal is missing or broken.
- • Store in a cool dry place.
- • Protect from heat, light, and moisture.
- • Disclaimer While iHerb strives to ensure.
Is Vitamin D3 + K2, 60 Veg Capsules Independently Tested?
No Third-Party Testing Visible
We could not find evidence of independent third-party testing for this product. This doesn't mean it's unsafe, but independent verification provides additional assurance.
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
Price History (90 days)
Quick Facts
- Vegan
- No
Frequently Asked Questions
Is Vitamin D3 + K2, 60 Veg Capsules worth buying in 2026? ▼
What is the best price for Vitamin D3 + K2, 60 Veg Capsules in the UK? ▼
What are the pros and cons of Vitamin D3 + K2, 60 Veg Capsules? ▼
Is Vitamin D3 + K2, 60 Veg Capsules third-party tested? ▼
What the Data Says About Vitamin D
Why do 97% of UK vitamin D supplements lack third-party certification?
Only 1 out of 35 vitamin D products we scored has independent certification. That's 97% without any third-party verification of purity, potency, or label accuracy.
This is worse than most supplement categories. The reason is simple: UK law doesn't require it, and testing costs money. Most vitamin D brands sell on price alone, especially in the D3-only space where the raw ingredient is cheap. Certification adds cost that budget brands won't absorb.
What does this mean for you? Without third-party testing, you're trusting the manufacturer's label claims. A 2021 study in Nutrients found that vitamin D supplements varied from 52% to 135% of their labelled dose. That's a problem if you're relying on a specific daily intake.
Among the 35 products we scored, the top performers are all from brands with strong manufacturing track records: NOW Foods D3 5000 IU and Thorne Vitamin D + K2 both score 87/100 overall. Thorne holds the highest certification score in the category at 85/100. If independent testing matters to you, that's the product to look at.
Do you need vitamin K2 with high-dose vitamin D?
Probably yes at high doses, and our data backs the pairing. Thorne Vitamin D + K2 Liquid is the only D3+K2 combo product in our 35-product database that scores 87/100 overall, matching the top-ranked D3-only options from NOW Foods. It also holds the highest certification score in the category at 85/100.
Here's the science behind it. Vitamin D increases calcium absorption from food. Vitamin K2 activates proteins that direct that calcium into bones and teeth, keeping it out of your arteries and soft tissue. At standard doses (1000-2000 IU daily), most people get enough K2 from diet to handle the extra calcium. At 4000-5000 IU daily, the calcium load increases enough that K2 becomes a more serious consideration.
The Endocrine Society doesn't yet include K2 in its vitamin D guidelines. But a growing body of research, including a 2019 meta-analysis in International Journal of Molecular Sciences, shows the D3+K2 combination improves bone mineral density more than D3 alone.
If you eat K2-rich foods regularly (natto, hard cheese, egg yolks, chicken liver), a standalone D3 product like NOW Foods D3 5000 IU 360 Softgels (87/100) is a solid choice. If your diet is low in K2, or you're taking 4000+ IU of D3 daily, Thorne D + K2 covers both bases in one product.
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
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