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TrueK2D3

product on market Capsule NatureCity 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 calcium absorption and bone health. Research indicates that K2 helps direct calcium into the bone matrix, reducing vascular calcification. These ingredients are widely recognized for their synergistic role in maintaining skeletal integrity.

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

Label

Product Label

Label for TrueK2D3
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
60
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

62.5 mcg (313% DV)
4.2× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)
90 mcg
Within RDA (0.8× RDA) 275 studies (A:9, B:175)

Other Ingredients

Microcrystalline Cellulose Hypromellose L-Leucine Rice Hull Concentrate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take one (1) capsule daily with a meal. For increased support, take (1) one capsule two (2) times a day, at separate times of day, or as directed by your healthcare practitioner.

Warnings & Precautions

Keep out of reach of children.

Do not use if seal is broken of missing.

Warning: If you are using a blood thinning medication, pregnant or lactating, consult your physician or healthcare practitioner prior to use.

Formulation Notes

TrueK2D3 helps to maintain healthy levels of Vitamin K2 and Vitamin D.

Gluten free Non GMO Soy free

Vegan friendly

Plant based - Soy free

Plant based - Soy free

Additional Information

Store in a cool dry place

Blended & packaged in the USA

To re-order call toll-free: 1-800-593-2563

Metadata

Product Details

UPC / SKU8 59003 00791 8
DSLD Entry Date2025-01-23
Product TypeVitamin
FormCapsule
BrandNatureCity
DSLD ID320933
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.