Q-Defend
89/100
This product is generally safe
- Vitamin D3: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)
- Zinc Powerhouse3 Blend: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)
- 57% of ingredients have research evidence
D
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Vitamin D3: 0.125mg is 1.2× the Tolerable Upper Intake Level (0.1mg)
⚠️ Zinc Powerhouse3 Blend: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)
Label Data
2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
57%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
1000 mg
(1111% DV)
125 mcg
(625% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.2× (UL: 0.1 mg)
📚 604 studies (Tier A: 16, B: 251)
50 mg
(455% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.2× (UL: 40 mg)
📚 258 studies (Tier A: 6, B: 134)
100 mg
📊 Market median: 175.0mg (497 products)
📚 11 studies (Tier A: 0, B: 1)
100 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
Q-Defend Immune Blend
350 mg
Black Pepper Fruit Extract
5 mg
Other Ingredients
Gelatin
Rice, Powder
Microcrystalline Cellulose
Magnesium Stearate
Label Claims — Verification
❓
Nutrient
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (83% of products)
Nutrient (54% of products)
Target Groups
Adult (18 - 50 Years)
Product Information
🧪 Formulation Notes
Immune support series
Quercetin + Zinc, Vitamin C, Vitamin D & Elderberry Each serving contains: Quercetin 1000mg, Vitamin D3 5000iu, Elderberry 1000mg, Vitamin C 1000mg, Zinc 50mg + 350mg Q-Defend Immune blend
Q-Defend Immune Boost 24 hours
Vitamin C Vitamin D3 Quercetin Q Zinc 50 mg ZN Artemisinin Ar Nettle N Reishi R Probiotics PR Rose Hips Rh Echinacea Ec Elderberry El Ginger Gr L-Lysine L Bromelain Br Turmeric Tr Seamoss S Garlic G Black Pepper Bl
Product Details
UPC / SKU
X0030YKLTT
DSLD Entry Date
2024-03-22
Product Type
Other Combinations
Form
Capsule
Brand
Clean Nutraceuticals
DSLD ID
310111
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 for the primary prevention of cardiovascular disease
A
Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
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