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Vitamin D3/K2 Drops

product on market Liquid Ultra6 Nutrition 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 K are supported by strong evidence for promoting bone health and calcium regulation. These nutrients work synergistically to ensure calcium is properly absorbed and deposited in the bone matrix. Research indicates that this combination is generally safe for most adults when taken at recommended dosages.

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

Label

Product Label

Label for Vitamin D3/K2 Drops
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

1000 IU (250% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)
200 mcg (250% 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

Usage instructions: Take two drops under the tongue two to three times daily or as directed by your physician.

Warnings & Precautions

Warning: People with any known medical conditions, including pregnancy, heart disease, etc. should consult a physician prior to taking these drops or any dietary supplement.

Keep out of reach of children.

Formulation Notes

Tamper evident: Use only if bottle is sealed.

GF Gluten free

Additional Information

Store tightly sealed in a cool, dry place.

GMP Good Manufacturing Practice Made in the USA

Metadata

Product Details

DSLD Entry Date2022-07-21
Product TypeVitamin
FormLiquid
BrandUltra6 Nutrition
DSLD ID270788
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 →
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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.