Demonstration data. This product listing uses fictional brands, prices and merchants to show how SuppScout works. It is not a real product listing, and nothing here is a current price or a verified certification.
Vitamin DSoftgelsNot verifiedDemo

Northfield Labs Vitamin D3 1,000 IU

by Northfield Labs · 25 mcg (1,000 IU) vitamin D per serving · 365 servings

Summary

A small daily softgel with 25 mcg (1,000 IU) vitamin D3 from lanolin in olive oil. A full year per bottle keeps cost per serving very low.

Price per serving (demo)
$0.03
$0.03 per 1,000 IU (25 mcg) vitamin D

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Supplement Facts

Supplement Facts

Serving size: 1 softgel
Servings per container: 365
Amount per servingAmount% DV
Vitamin D3 (as cholecalciferol from lanolin)25 mcg (1,000 IU)125%

† Daily Value not established.

Other ingredients: Extra virgin olive oil, Gelatin, Glycerin.

From product label Transcribed from the product label (fictional demonstration label). Last updated September 28, 2026.

Label details

Brand
Northfield LabsFictional demonstration brand
Primary ingredient
Vitamin D
Ingredient form
Vitamin D3 (Cholecalciferol)
Format
Softgels
Serving size
1 softgel
Servings per container
365
Amount per serving
25 mcg (1,000 IU) vitamin D
Vegan
NoFrom label
Gluten-free
YesManufacturer stated
Manufacturer
Northfield Labs (fictional)Location: Not verified

Certifications & testing

No certification verifiedSuppScout hasn’t confirmed this product in any certifier’s public listing.

No testing claims stated by the manufacturer.

A manufacturer claim is what the brand says. A certification is shown as verified only after SuppScout confirms the product in the certifier’s public listing. What “third-party tested” means.

Factual indicators

SuppScout indicators

Ingredient transparency
From product label
All active amounts disclosed
Testing information
Manufacturer claim
Not verified
Price per serving
SuppScout calculation
$0.03Based on demonstration price
Label completeness
SuppScout calculation
7 of 7 fields
Independently verified certifications
Third-party certification
None verified
Number of ingredients
From product label
1 active · 3 other

SuppScout does not assign a single health score. These are factual indicators drawn from the label and our calculations; they don't tell you whether a supplement is appropriate for you.

What stands out on the label

Pros

  • Very low cost per serving
  • Source of D3 stated (lanolin)

Considerations

  • Not vegan (lanolin, gelatin)
  • No testing information provided

Label-based observations, not a judgment of whether the product is right for you.

Who might consider researching this product

  • People comparing low-dose D3 options

Compare against similar products

Primary ingredient
Vitamin D3 (Cholecalciferol)
Per serving
25 mcg (1,000 IU) vitamin D
Servings
30
Format
Gummies
Price
Not available
Per serving cost
—
Not verified

Plainlabel Vitamin D2 1,000 IU

Plainlabel Nutrition · Demo
Primary ingredient
Vitamin D2 (Ergocalciferol)
Per serving
25 mcg (1,000 IU) vitamin D
Servings
120
Format
Tablets
Price
Unavailable
Per serving cost
$0.08
Not verified

Verdana Botanicals Vegan D3 2,000 IU

Verdana Botanicals · Demo
Primary ingredient
Vitamin D3 (Cholecalciferol)
Per serving
50 mcg (2,000 IU) vitamin D
Servings
90
Format
Capsules
Price
$16.99*
Per serving cost
$0.19
Not verified

Understand the ingredient form

VITAMIN D

D2 vs D3

Sources, vegan status and what research says about raising levels.

Compare →

References

  1. Vitamin D: Fact Sheet for Health Professionals. NIH Office of Dietary Supplements. ods.od.nih.govGovernment
  2. Institute of Medicine (2011). Dietary Reference Intakes for Calcium and Vitamin D. The National Academies Press. nap.nationalacademies.orgGovernment
  3. Tripkovic L, Lambert H, Hart K, et al. (2012). Comparison of vitamin D2 and vitamin D3 supplementation in raising serum 25-hydroxyvitamin D status: a systematic review and meta-analysis. American Journal of Clinical Nutrition 95(6). doi:10.3945/ajcn.111.031070Meta-analysis

SuppScout links to primary and authoritative sources wherever possible. See our editorial policy for how sources are selected and how corrections are handled.

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