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Stress B

product on market Tablet or Pill 21st Century Safety: 97/100
97/100

This product looks safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • 73% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins and antioxidants, which are supported by strong evidence for maintaining cellular energy metabolism and immune function. Thiamine, riboflavin, and niacin contribute to neurological health and energy production. Research indicates these ingredients are generally safe for consumption within recommended daily limits.

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 Stress B
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
73%
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
Calcium
70 mg (7% DV)

Other Ingredients

Cellulose Starch Stearic Acid Croscarmellose Sodium Silicon Dioxide Titanium Dioxide Polydextrose Magnesium Stearate Artificial Colors Added
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Directions: Take one (1) tablet daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.

Warnings & Precautions

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

Formulation Notes

No Added Sugar, Salt, Yeast, Preservatives.

Additional Information

Store at room temperature.

Unconditionally guaranteed for purity, freshness and label potency.

MADE IN USA

0706

10% FREE

Studies have shown that during periods of unusual physical stress, your body uses up more vitamins than normal.

Metadata

Product Details

UPC / SKU7 40985 22327 7
DSLD Entry Date2012-08-24
Product TypeOther Combinations
FormTablet or Pill
Brand21st Century
DSLD ID11599
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.