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Vitamin D3 & K2

product on market Liquid Nature's Answer 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 and K2 are supported by strong evidence for promoting calcium absorption and bone mineralization. These nutrients work synergistically to ensure calcium is properly deposited in the skeletal system rather than the arteries. Research indicates a high safety profile for these ingredients when taken at recommended dosages.

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

Label

Product Label

Label for Vitamin D3 & K2
Open Full PDF View on NIH DSLD →
Details

Label Data

0.06 mL
Serving Size
250
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

25 mcg (126% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)
120 mcg (100% DV)
Within RDA (1.0× RDA) 275 studies (A:9, B:175)

Other Ingredients

Olive Oil Rosemary extract natural Lemon flavor
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommended use: Take 2 drops (0.06 ml) per day or as directed by your healthcare practitioner. Maybe be mixed with foods or liquids, hold bottle upside down & allow drops to flow out.

Warnings & Precautions

Do not exceed the recommended daily dosage.

Keep out of reach of children.

Warning: Do not use if pregnant or nursing.

Do not use if safety seal is damaged or missing.

Formulation Notes

Free from: Salt, wheat, corn, yeast, sugar, milk, preservatives and fish Gluten Free

Supports immune, bone & heart health Liquid oral drops

Additional Information

For product information, call (800) 439-2324

Metadata

Product Details

DSLD Entry Date2022-04-11
Product TypeVitamin
FormLiquid
BrandNature's Answer
DSLD ID264143
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.