Vitamin D3 & K2

product on market Liquid Advanced Nutrition by Zahler 🟢 Safety: 100/100
Brand: Advanced Nutrition by Zahler
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

0.07 mL Serving Size
447 Servings
Vitamin Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

25 mcg (125% DV)
✅ 1.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.025mg UL 0.1mg
100 mcg (83% DV)
✅ Within RDA (0.8× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.1mg

Other Ingredients

Medium Chain Triglyceride Oil Olive Oil

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (70% of products) Approved Health (4% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Kosher Gluten Free Dairy Free

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

Product Details

UPC / SKU 8 48998 08269 7
DSLD Entry Date 2024-10-24
Product Type Vitamin
Form Liquid
Brand Advanced Nutrition by Zahler
DSLD ID 316637
Data Updated 2026-04-11

Research Evidence

872 Research Sources
53 Avg Quality Score
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 Cochrane
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
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 Cochrane
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
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 Cochrane
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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