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Vitamin D

product on market Tablet or Pill GNC 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 is supported by strong evidence for maintaining bone health and supporting immune function. Research indicates it plays a critical role in calcium absorption and skeletal mineralization. The ingredient profile is associated with a high safety score.

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

Label

Product Label

Label for Vitamin D
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
30
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mcg (250% DV)
3.3× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)

Other Ingredients

Microcrystalline Cellulose Stearic Acid Magnesium Stearate Silicon Dioxide Dicalcium Phosphate Croscarmellose Sodium Rice Starch Hydroxypropyl Cellulose Erythritol Coconut Oil Sunflower Lecithin Sunflower Oil Riboflavin Citric Acid Sodium Carbonate Annatto Extract Acacia Gum Sugar Corn Starch Medium Chain Triglyceride DL-Alpha-Tocopherol
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily with food.

Warnings & Precautions

Contains: Coconut.

Warning: Cancer and reproductive harm - www.P65Warnigs.ca.gov Discontinue two weeks prior to surgery.

Consult you physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

Keep out of reach of children.

Formulation Notes

5 ingredients in 1 pack for easy, everyday immune support. That's the GNC difference.

Vitamin D-3

Defend your daily wellness! Includes essential ingredients for premium health support, crafted by experts for your: Overall health, wellness, and immune function Premium combination of vitamin D-3, zinc and echinacea to support overall health and immune function Comprehensive daily support for immune heath featuring Zinc, Vitamin C, Vitamin D-3, Sambucus Elderberry, & Echinacea

Additional Information

Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements.

5-in-1 pack Value size 30-day supply Each pack contains: Vitamin D

Store in a cool, dry place.

For more information: 1-888-462-2548 GNC.com

Metadata

Product Details

DSLD Entry Date2024-10-24
Product TypeVitamin
FormTablet or Pill
BrandGNC
DSLD ID318191
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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Vitamin D research Best Vitamin D All Vitamin D products More from GNC View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.