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Vi-Stress

product on market Tablet or Pill Rugby Safety: 96/100
96/100

This product looks safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • 80% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains B vitamins and antioxidants, which are supported by strong evidence for maintaining cellular energy metabolism and protecting against oxidative stress. These ingredients contribute to general physiological function, though the overall evidence coverage for this specific formulation is limited.

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

Alerts

Safety Alerts

Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for Vi-Stress
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Vitamin
Product Type
80%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
500 mg (833% DV)
30 IU (100% DV)
1.3× RDA — within safe limits 179 studies (A:3, B:90)
10 mg (667% DV)
8.3× RDA — above typical dose 76 studies (A:0, B:33)
10 mg (588% DV)
7.7× RDA — above typical dose 13 studies (A:0, B:1)
100 mg (500% DV)
Exceeds UL by 2.9× (UL: 35 mg) 196 studies (A:5, B:63)
5 mg (250% DV)
3.8× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
12 mcg (200% DV)
5.0× RDA — above typical dose 139 studies (A:1, B:44)
45 mcg (15% DV)
1.5× RDA — within safe limits 27 studies (A:0, B:11)
20 mg (200% DV)
4.0× RDA — above typical dose 2 studies — no high-quality reviews

Other Ingredients

Microcrystalline Cellulose Calcium Sulfate Croscarmellose Sodium Stearic Acid Hypromellose Talc Vegetable Magnesium Stearate Silicon Dioxide FD&C yellow #6 Titanium Dioxide Polyethylene Glycol Triacetin Ethyl Vanillin Carnauba Wax Sorbic Acid Sodium Benzoate Sodium Citrate Citric Acid Dicalcium Phosphate Dihydrate
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

DIRECTIONS: Adults: One tablet daily.

Warnings & Precautions

TAMPER RESISTANT-DO NOT USE IF IMPRINTED SAFETY SEAL UNDER CAP IS BROKEN OR MISSING

KEEP OUT OF REACH OF CHILDREN

Additional Information

Questions or comments? Call 1-800-645-2158, weekdays 9 am-5 pm ET

Rugby SATISFACTION GUARANTEED OR YOUR MONEY BACK

Keep bottle tightly closed. Store between 15(0)-30(0)C (59(0)-86(0)F).

100 R0109

Metadata

Product Details

UPC / SKU0 0536-4753-08 1
DSLD Entry Date2012-10-25
Product TypeVitamin
FormTablet or Pill
BrandRugby
DSLD ID14530
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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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.