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Product analysis · Designs for Health

Designs for Health Vitamin D Supreme – Vitamin D 5000 IU with 2000mcg Vitamin K as MK4 (180 Capsules)

D3 + K2 · Capsule

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
17/20
Value
10/20
Dose transparency
11/15
Manufacturer transparency
3/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 3/25
CapsuleFormat
5,000 IU / 125 µgDaily dose
180 capsulesPack size
—Price/day
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We may earn a commission from qualifying purchases. This never affects our scores.

The score, explained

Our scoring methodology
Testing & evidence12.8/100
3 points contributed · weighting 25
Ingredient/formulation quality85/100
17 points contributed · weighting 20
Value50/100
10 points contributed · weighting 20
Dose transparency75/100
11 points contributed · weighting 15
Manufacturer transparency30/100
3 points contributed · weighting 10
Label/ingredient transparency70/100
7 points contributed · weighting 10

The score compares product data, not medical effectiveness or individual suitability. Prime and affiliate commission contribute no points.

Testing & evidence

Testing claimed

Evidence status
Testing claimed
Manufacturer statement
Manufacturer quality page says: "All Designs for Health® ingredients are tested against their specifications for potency, purity, and identity, and against contamination at external ISO certified laboratories." The COA page also says: "We test every batch of our products... Each Certificate of Analysis (COA) confirms that your product has been third-party tested and verified."
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 08:03:56

Dose & value

Vitamin form
D3 + K2CapsuleMK-4 · 2,000µg/day
Daily dose
5,000 IU125µgAbove adult upper limit
Serving size
1 capsule
Pack size
180 capsules
Servings per day
1
Price per day
—
Price last checked
Not disclosed

Daily cost uses the recorded label serving; a larger dose earns no value advantage. The label serving is not a recommendation for your personal intake.

Vitamin D formulation details

Comparison type (D2 / D3 / D3 + K2)
D3 + K2
Vitamin form (D2 / D3)
D3
IU / serving
5000
Micrograms / serving
125
IU / day
5000
Micrograms / day
125
Micrograms printed on label
Not disclosed
D3 source, where disclosed
Not disclosed
Vegan D3 (yes / no / unknown / not applicable)
unknown
K2 included (yes / no / unknown)
yes
K2 form
MK-4
K2 / serving (micrograms)
2000
Carrier oil, where disclosed
Not disclosed
Pack size as labelled
Not disclosed
Recommended serving / frequency
1 capsule
Comparison basis for a label serving range
Not disclosed
Additional active ingredients
Vitamin K1, Geranylgeraniol (GG)
Allergen statement
Amazon allergen information: Gluten Free
Vegan / vegetarian label status
Amazon dietary claim: Gluten Free, Vegetarian

Product sources & research notes

Listing and manufacturer details describe the label; they do not independently verify product claims. Check the current pack before use.

Ingredients & suitability

Excipients
Not disclosed — check the current label
Allergens
Amazon allergen information: Gluten Free
Carrier / source
Not disclosed — check the current label
Other active ingredients
Vitamin K1, Geranylgeraniol (GG)

Manufacturer transparency

Brand
Designs for Health
Legal company
Not recorded
Manufacturing model
Not recorded
Manufacturing location
Not recorded

View the full brand profile →

What the record makes clear

  • Active amount is disclosed.
  • The current record does not support a daily cost calculation.

What to keep in mind

  • Verify the current label and the batch covered by any testing report.
  • A product score cannot determine whether you need a supplement.

Explore the alternatives

Compare alternative

WeightWorld Vitamin D3 4000 IU

Why this score?
Testing & evidence
22/25
Ingredient/formulation quality
16/20
Value
17/20
Dose transparency
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
Attached to test report no. 26C22329 ... TESTING COMPLIANCE CERTIFICATE ... Sample description: WEIGHTWORLD VITAMIN D3 40001U 400 TABLETS - BATCH CODE: 429462 ... The analyzed sample is compliant ... Vitamin D3 100 μg/tablet ...
Laboratory
Neotron Spa
Certification body
Not recorded
Batch
429462
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 11:22:54
£0.02per day
£8.99per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Igennus Vegan Vitamin D3 1000 IU

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
16/20
Value
11/20
Dose transparency
14/15
Manufacturer transparency
7/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
Nutrasource registry page states: "IGEN™ Certified" and "This product has PASSED because it does not contain detectable amounts of genetically engineered GMO proteins and genes included in the IGEN™ testing panel."
Laboratory
Not recorded
Certification body
Nutrasource IGEN™
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 11:33:24
£0.05per day
£19.99per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Nutravita Vitamin D3 4000 IU Softgels

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
16/20
Value
18/20
Dose transparency
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Nutravita’s Ingredients page says: “any ingredient selected goes through strict testing to make sure it complies with EU standards” and “The testing is done in-house at the manufacturing site…”; the product page also says “Laboratory tested products.”
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 11:16:53
£0.02per day
£7.64per pack
View AnalysisBuy Nowon Amazon