Vegavero Vitamin D3 + K2 vs Nutravita Vitamin D3

Q: Which is better, Vegavero Vitamin D3 + K2 or Nutravita Vitamin D3?

Vegavero Vitamin D3 + K2 scores 81/100 while Nutravita Vitamin D3 scores 80/100 in our analysis. Vegavero Vitamin D3 + K2 is the higher-rated product overall.

Q: Is Vegavero Vitamin D3 + K2 worth the price compared to Nutravita Vitamin D3?

Vegavero Vitamin D3 + K2 scores 91.0/100 for value, while Nutravita Vitamin D3 scores 90.0/100. Vegavero Vitamin D3 + K2 delivers better value overall.

Q: Why do 97% of UK vitamin D supplements lack third-party certification?

Of 35 vitamin D products in our database, only 1 carries third-party certification. That means 97% of the vitamin D supplements sold in the UK have no independent verification of what's actually in the bottle. UK regulations don't require third-party testing for supplements, so most brands skip it to save money. If certification matters to you, NOW Foods and Thorne are the brands scoring highest in our rankings, with overall scores of 85-87/100.

Q: Do you need vitamin K2 with high-dose vitamin D?

Our data shows that Thorne Vitamin D + K2 Liquid is the only combination D3+K2 product scoring 87/100 in our database of 35 vitamin D supplements, tying with two NOW Foods D3-only products for the top spot. Clinical research suggests K2 helps direct calcium to bones rather than arteries, which may matter at doses above 4000 IU daily. If you already eat K2-rich foods like natto, hard cheese, or egg yolks, a standalone D3 product may be sufficient.

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Vegavero Vitamin D3 + K2 and Nutravita Vitamin D3.

Last verified: 26 Mar 2026 · Based on 42 reviews

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81.0

Score Summary

Vegavero Vitamin D3 + K2 scores 81.0/100 vs Nutravita Vitamin D3 at 80.0/100. Vegavero Vitamin D3 + K2 wins on effectiveness, ingredient quality, value for money. Nutravita Vitamin D3 is stronger on certifications.

How Do the Scores Compare?

Vegavero Vitamin D3 7000 IU...

Nutravita Vitamin D3 4000 i...

	Vegavero Vitamin D3 7000 IU... Vegavero	Nutravita Vitamin D3 4000 i... Nutravita
Overall Score	81.0	80.0
Effectiveness	82.0/100 Best	80.0/100
Ingredient Quality	88.0/100 Best	77.0/100
Value for Money	91.0/100 Best	90.0/100
Side Effects	89.0/100 Best	88.0/100
Certifications	55.0/100	62.0/100 Best
Best Price	£22.95 Amazon UK →	£8.99 Amazon UK → Cheapest
Form	‎Tablet	Softgel
Dose	None	116 Grams
Third-Party Tested	✗ No	✗ No
Reviews Analysed	25	17

Vegavero Vitamin D3 7000 IU + 20...

Pros

✓Once-weekly dosing is highly convenient and reduces the risk of daily non-compliance
✓All-trans MK-7 vitamin K2 — the most bioavailable and bioactive K2 form — helps direct calcium into bones and away from arteries
✓Vegan D3 sourced from pine resin (EirVit), rare premium alternative to lanolin-derived D3
✓~2 year supply per bottle offers strong cost efficiency and reduces reorder frequency

Cons

✗7000 IU weekly requires understanding of dosing — not suitable for unsupervised use in people with hypercalcemia or kidney disease
✗Weekly schedule is easy to forget, especially for users already taking daily supplements
✗Tablet size noted as large by some reviewers
✗No independent third-party certification (e.g. NSF, Informed Sport) despite in-house lab testing

Best For

UK residents with limited sun exposure, especially in winter Vegans seeking lanolin-free vitamin D3 People who struggle with daily supplement routines Those focused on bone health, calcium metabolism, and immune support Cost-conscious buyers wanting a long-lasting supply

Amazon UK £22.95

View full review →

Nutravita Vitamin D3 4000 iu - 4...

Pros

✓Small, easy-to-swallow softgels praised by virtually every reviewer, including those with tablet-swallowing difficulties
✓Excellent value for money — 400 softgels lasts over a year at one-per-day dosing
✓Clean formula with no fillers, bulking agents, or anti-caking agents — just D3, sunflower oil, and gelatin
✓High 4000 IU dose meets medically recommended therapeutic levels for deficiency without needing multiple capsules

Cons

✗Gelatin (bovine) capsule — not suitable for vegetarians or vegans
✗No independent third-party certification (no USP, NSF, or equivalent)
✗4000 IU exceeds general population guidelines; those without confirmed deficiency should consult a doctor before use
✗Not recommended for under-18s per product labelling, limiting household sharing

Best For

UK residents with limited sun exposure during autumn and winter People diagnosed with or at risk of vitamin D deficiency Adults who struggle to swallow large tablets or capsules Those wanting a clean-label supplement with minimal additives Budget-conscious buyers seeking a long-lasting supply

Amazon UK £8.99

View full review →

Score Breakdown: Vegavero Vitamin D3 + K2 vs Nutravita Vitamin D3

Vegavero Vitamin D3 + K2 Winner 81.0/100

Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 is a once-weekly high-dose depot tablet designed for convenient supplementation, particularly suited to the UK market where sun exposure is limited.

Effectiveness

Vegavero Vitamin..

82.0/100

Nutravita Vitami..

80.0/100

Ingredient Quality

Vegavero Vitamin..

88.0/100

Nutravita Vitami..

77.0/100

Value for Money

Vegavero Vitamin..

91.0/100

Nutravita Vitami..

90.0/100

Side Effects

Vegavero Vitamin..

89.0/100

Nutravita Vitami..

88.0/100

Certifications

Vegavero Vitamin..

55.0/100

Nutravita Vitami..

62.0/100

What are the key differences?

Vegavero Vitamin D3 + K2 is best for: UK residents with limited sun exposure, especially in winter, Vegans seeking lanolin-free vitamin D3

Nutravita Vitamin D3 is best for: UK residents with limited sun exposure during autumn and winter, People diagnosed with or at risk of vitamin D deficiency

Frequently Asked Questions

Which is better, Vegavero Vitamin D3 + K2 or Nutravita Vitamin D3? ▼

Vegavero Vitamin D3 + K2 scores 81.0/100 overall while Nutravita Vitamin D3 scores 80.0/100. Vegavero Vitamin D3 + K2 comes out ahead, scoring higher on effectiveness (82.0 vs 80.0). Vegavero Vitamin D3 + K2 is best suited for UK residents with limited sun exposure, especially in winter and Vegans seeking lanolin-free vitamin D3. Nutravita Vitamin D3 is better for UK residents with limited sun exposure during autumn and winter and People diagnosed with or at risk of vitamin D deficiency.

Is Vegavero Vitamin D3 + K2 worth the price compared to Nutravita Vitamin D3? ▼

Vegavero Vitamin D3 + K2 costs £22.95 while Nutravita Vitamin D3 is £8.99. For value, Vegavero Vitamin D3 + K2 scores 91.0/100 vs Nutravita Vitamin D3's 90.0/100. Vegavero Vitamin D3 + K2 delivers better value relative to its quality. Note that Vegavero Vitamin D3 + K2 comes as ‎tablet while Nutravita Vitamin D3 is softgel, which may affect your preference.

Which has fewer side effects? ▼

Vegavero Vitamin D3 + K2 scores 89.0/100 for side effects (higher means fewer reported issues) while Nutravita Vitamin D3 scores 88.0/100. Reviewers report fewer side effects with Vegavero Vitamin D3 + K2. For certification and testing, Vegavero Vitamin D3 + K2 scores 55.0/100 vs Nutravita Vitamin D3's 62.0/100. Always consult a healthcare professional before starting any supplement.

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vs Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2

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What the Data Says

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 data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.

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