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Vitamin D3 & K2

product on market Liquid Advanced Nutrition by Zahler 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 deposited in the bones rather than the arteries. Research indicates these ingredients are generally safe for most adults when taken as directed.

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

0.07 mL
Serving Size
447
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)
100 mcg (83% DV)
Within RDA (0.8× RDA) 275 studies (A:9, B:175)

Other Ingredients

Medium Chain Triglyceride Oil Olive Oil
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Dosage 4 drops Directions: Take 4 drops daily, with food, or as directed by a healthcare practitioner.

Warnings & Precautions

Keep out of reach of children.

Do not use if safety seal is damaged or missing. Because this product contains Vitamin K2, discontinue use 2 weeks prior to surgery.

If pregnant, nursing or on medication, consult with your healthcare practitioner.

Formulation Notes

Advanced D3 & K2 formula Both Vitamins D3 & K2 are fat-soluble nutrients which are necessary to support bone density and aid with calcium absorption. Additionally, these two vitamins support cardiovascular and immune health.

Kosher Pareve D (Kosher) Debracin (Rabbi Shlomo Stern) OU (Kosher) Under the strict supervision of Rabbi Sh. Stern & The Orthodox Union

Non-GMO Gluten free Dairy free Soy free

Vegetarian friendly

Advanced D3 & K2 Formula

Supports bone density and calcium absorption

Additional Information

You may need additional supplements to support a healthy diet; consult your nutritionist for a formula that is right for you or contact us at 877-275-9245 or ask@zahlers.com.

Kosher Pareve D (Kosher) Debracin (Rabbi Shlomo Stern) OU (Kosher) This product is manufactured in a GMP Certified Facility Vegetarian friendly Made in the USA with globally sourced ingredients

Store tightly closed in a cool dry place, away from direct sunlight.

General health

Metadata

Product Details

UPC / SKU8 48998 08269 7
DSLD Entry Date2024-10-24
Product TypeVitamin
FormLiquid
BrandAdvanced Nutrition by Zahler
DSLD ID316637
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.