🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
36 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
292 mg (324% DV)
200 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 200mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 150mg
150 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 150mg
📊 Market median: 600.0mg (7 products) 📚 39 studies (Tier A: 2, B: 13)
This product: 100mg
Chinese Skullcap root extract
100 mg
📊 Market median: 500.0mg (234 products) 📚 95 studies (Tier A: 0, B: 35)
This product: 50mg
Ivy Leaf Extract
30 mg

Other Ingredients

Hypromellose Water Ascorbyl Palmitate Bamboo Stem Extract

Label Claims — Verification

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) Women (not pregnant or lactating) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested use: 2 capsules up to 3 times per day

⚠️ Warnings & Precautions

Caution: Do not use if pregnant or nursing. If taking any medication or if you have a medical condition, consult your healthcare practitioner before use.

Keep out of reach of children.

🧪 Formulation Notes

Sinus & respiratory Seasonal support for healthy sinuses & immune function Supports healthy respiratory function Third-party tested

Gluten free

Vegan

Made without: Wheat, gluten, artificial flavoring or coloring, preservatives or animal ingredients.

Additional Information

Master herbalist formulated

Made in USA with globally sourced ingredients

Store in a dry place at room temperature.

Product Details

UPC / SKU 8 55735 00103 3
DSLD Entry Date 2025-01-23
Product Type Other Combinations
Form Capsule
DSLD ID 322114
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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