🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 57% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

2 Vegetable Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
57% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
300 mg (333% DV)
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 400mg
Nettle leaf extract
250 mg
100 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 100mg
📊 Market median: 600.0mg (7 products) 📚 39 studies (Tier A: 2, B: 13)
This product: 50mg
📊 Market median: 450.0mg (502 products) 📚 28 studies (Tier A: 0, B: 8)
This product: 100mg
📊 Market median: 450.0mg (254 products) 📚 240 studies (Tier A: 0, B: 100)
This product: 50mg

Other Ingredients

Cellulose L-Leucine

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Children 4 or More Years of Age Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions for use: As a dietary supplement for adults and children twelve or more years of age, take two capsules, three times per day for the first 10 days, followed by two capsules daily, or as directed by a qualified healthcare professional.

⚠️ Warnings & Precautions

Keep out of reach of children

Tamper resistant. Do not purchase if seal is broken.

🧪 Formulation Notes

The ingredients found in Vinco's Hist-Resist have been shown to be beneficial in the support of healthy histamine levels, normal mucus viscosity, healthy sinus and nasal passages in individuals with irritations caused by environmental allergens.

Natural allergy support

Gluten free

No wheat, no gluten, no corn, no dairy, no soy, yeast free

Additional Information

Store in a cool, dry place.

Professional formulation

Product Details

UPC / SKU 7 39930 27583 6
DSLD Entry Date 2022-01-22
Product Type Other Combinations
Form Capsule
Brand Vinco
DSLD ID 258832
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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