🟢 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

3 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
57% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
500 mg (556% DV)
30 mg (7% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 30mg
1000 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 1000mg
250 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 250mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 200mg
📊 Market median: 470.0mg (230 products) 📚 9 studies (Tier A: 3, B: 3)
This product: 100mg
Nettle
100 mg

Other Ingredients

Hypromellose Rice Bran Silica

Label Claims — Verification

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

Target Groups

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

Product Information

📋 Directions for Use

Directions: Take 3 capsules daily, with or without food.

⚠️ Warnings & Precautions

Use only as directed.

If pregnant, nursing, taking medication, or under medical supervision for any condition, consult a healthcare professional before use.

Caution: For adults. Keep out of reach of children.

Tamper evident. Do not use if printed safety seal under cap is broken or missing.

🧪 Formulation Notes

Vegan

Gluten-free. No artificial colors, flavors, preservatives, yeast, eggs, fish, shellfish, peanuts, tree nuts, wheat, milk, or magnesium stearate.

Made in USA with globally sourced ingredients.

Breathe-X helps regulate histamine production to support nasal and sinus respiration.

Quercetin promotes healthy nasal mucosal cells and normal inflammatory response Bromelain helps maintain healthy sinus tissue Vitamin c supports immune system function and normal histamine production Citrus Bioflavonoids work with Vitamin C to support blood vessel integrity Nettle helps regulate normal histamine production

Allergy & sinus support

Citrus bioflavonoids Nettle leaf Bromelain Vitamin C Quercetin

Additional Information

Store in a cool, dry place.

Product Details

UPC / SKU 8 53760 00207 0
DSLD Entry Date 2024-09-25
Product Type Other Combinations
Form Capsule
DSLD ID 310466
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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