Home/ Supplements/ Vitamin D/ Vitamin D + K2

Vitamin D + K2

product on market Liquid Thorne 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 D and K2 are supported by strong evidence for promoting bone health and calcium homeostasis. Vitamin D facilitates calcium absorption, while Vitamin K2 helps direct that calcium into the bone matrix. These ingredients are widely researched for their synergistic roles in skeletal and cardiovascular support.

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

Label

Product Label

Label for Vitamin D + K2
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Drop(s)
Serving Size
600
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)
200 mcg (167% DV)
1.7× RDA — within safe limits 275 studies (A:9, B:175)

Other Ingredients

Medium Chain Triglyceride Oil Mixed Tocopherols
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested use: Take 2 drops one to three times daily or as recommended by your health-care practitioner. Invert bottle to dispense individual drops. May be added to food or mixed in beverages.

Warnings & Precautions

Tamper evident: Use only if bottle is sealed.

If pregnant, consult your health-care practitioner before using this product.

Additional Information

Do not refrigerate.

Store tightly in a cool, dry place.

Metadata

Product Details

UPC / SKU6 93749 50001 8
DSLD Entry Date2023-09-25
Product TypeVitamin
FormLiquid
BrandThorne
DSLD ID298052
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
View all evidence for Vitamin D →
Compare

Similar Products

Liquid Vitamin D3
Bronson · Liquid
100
Vitamin D3 2,000 IU Liquid Emulsion
Life Extension · Liquid
100
Liquid Vitamin D3/K2
HoltraCeuticals · Liquid
100
Vitamin D3 Drops
Healthy For Life · Liquid
100
Bio-D-Mulsion
Biotics Research Corporation · Liquid
100
View all Vitamin D products →
Vitamin D research Best Vitamin D All Vitamin D products More from Thorne View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.