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Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 vs Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 and Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK.

Last verified: 07 Apr 2026 · Based on 42 reviews

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81.0
Quick Answer

Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 scores 81.0/100 vs Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK at 80.0/100. Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 wins on effectiveness, ingredient quality, value for money. Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK is stronger on certifications.

How Do the Scores Compare?

Vegavero Vitamin D3 7000 IU...
Nutravita Vitamin D3 4000 i...
Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2
Vegavero Vitamin D3 7000 IU...
Vegavero
 Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK
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 →

What does the data say about Vegavero Vitamin D3 70... vs Nutravita Vitamin D3 4...?

Vegavero Vitamin D3 7000 IU + 200 µg Vitamin 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 700.. is best for: UK residents with limited sun exposure, especially in winter, Vegans seeking lanolin-free vitamin D3
Nutravita Vitamin D3 40.. 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 7000 IU + 200 µg Vitamin K2 or Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK? ▼
Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 scores 81.0/100 overall while Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK scores 80.0/100. Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 comes out ahead, scoring higher on effectiveness (82.0 vs 80.0). Vegavero Vitamin D3 7000 IU + is best suited for UK residents with limited sun exposure, especially in winter and Vegans seeking lanolin-free vitamin D3. Nutravita Vitamin D3 4000 iu - 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 7000 IU + 200 µg Vitamin K2 worth the price compared to Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK? ▼
Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 costs £22.95 while Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK is £8.99. For value, Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 scores 91.0/100 vs Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK's 90.0/100. Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 delivers better value relative to its quality. Note that Vegavero Vitamin D3 comes as ‎tablet while Nutravita Vitamin D3 is softgel, which may affect your preference.
Which has fewer side effects? ▼
Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2 scores 89.0/100 for side effects (higher means fewer reported issues) while Nutravita Vitamin D3 4000 iu - 400 High Strength Easy to Swallow Premium Softgels - Over A Year's Supply - Max Strength Vitamin D3 Cholecalciferol Supplement - Manufactured in The UK scores 88.0/100. Reviewers report fewer side effects with Vegavero Vitamin D3 7000 IU + 200 µg Vitamin K2. For certification and testing, Vegavero Vitamin D3 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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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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