Home/ Supplements/ Vitamin D/ Vitamin D3 25 mcg (1000 IU) Unflavored

Vitamin D3 25 mcg (1000 IU) Unflavored

product on market Liquid Natural Factors Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Vitamin D3 is supported by strong evidence for maintaining calcium homeostasis and supporting bone health. Research indicates it plays a critical role in immune function and mineral absorption. This specific dosage is generally recognized as safe for daily supplementation.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Vitamin D3 25 mcg (1000 IU) Unflavored
Open Full PDF View on NIH DSLD →
Details

Label Data

0.03 mL
Serving Size
500
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

25 mcg (125% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)

Other Ingredients

Medium Chain Triglycerides organic Flaxseed Oil Vitamin E
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: For Adults: Invert bottle and allow 1 drop (0.03 ml) to flow out onto a spoon, or mix with food or liquids. 1 drop per day or as directed by a health professional. Shake well before use.

Warnings & Precautions

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.

Keep out of the reach of children.

Sealed for your protection. Do not use if seal is broken.

Formulation Notes

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, salt, or GMOs.

Suitable for vegetarians

500 drops per bottle in a base of MCT oil

Vitamin D3 is essential for strong bones and teeth as it increases the body's absorption of calcium levels from food. Its role in regulating calcium levels also helps regulate the immune system and maintain healthy nerves and muscles. Vitamin D3 is a potent liquid supplement that is carefully blended in a mixture of medium chain triglycerides (sourced from certified sustainable palm and coconut oil) and flaxseed oils providing 25 mcg (1000 IU) of vitamin D3 in just one little drop.

Additional Information

For freshness, store in a cool, dry place.

Product of Canada

Purity & Potency Guaranteed

R5

Recyclable container and label.

isura Non-GMO - Mass Spec Documentation Lab tested

Also available in 10 mcg (400 IU) potency for children.

Metadata

Product Details

UPC / SKU0 68958 01055 7
DSLD Entry Date2020-05-22
Product TypeVitamin
FormLiquid
DSLD ID220541
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.