Optimum Immune Booster with Vitamin C, Zinc & Echinacea
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 60% of ingredients have research evidence
A
Label Compliance Grade
Product Label
Have a supplement label? Find it here.
Upload a photo of any supplement label to search our database of 92,312 products.
Label Data
3 Capsule(s)
Serving Size
20
Servings
Botanical with Nutrients
Product Type
60%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
180 mg
(200% DV)
23 mg
(205% DV)
✅ 2.1× RDA — within safe limits
📚 258 studies (Tier A: 6, B: 134)
900 mg
📊 Market median: 400.0mg (380 products)
📚 34 studies (Tier A: 1, B: 10)
225 mg
📊 Market median: 450.0mg (390 products)
📚 155 studies (Tier A: 0, B: 63)
225 mg
📊 Market median: 340.0mg (243 products)
📚 3 studies — no high-quality reviews
Other Ingredients
Gelatin
Rice Flour
Stearic Acid
Silicon Dioxide
Magnesium Stearate
Label Claims — Verification
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (83% of products)
Nutrient (54% of products)
Target Groups
Adult (18 - 50 Years)
Gluten Free
Dairy Free
Product Information
📋 Directions for Use
Directions: Take three capsules daily as a dietary supplement or as directed by a healthcare professional.
⚠️ Warnings & Precautions
Keep out of reach of children.
Do not purchase if seal is broken.
🧪 Formulation Notes
Made in the U.S.A. from globally sourced ingredients.
Supports healthy immunity Antioxidant support
No wheat, soy, artificial colors, flavors or preservatives Gluten free
Additional Information
Protect from heat, light & moisture. Store in a cool, dry place.
Natural vitamins
Product Details
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
Compare Similar Products
Vitamin C Ester Ascorbyl Palmitate
OL Olympian Labs
100
Vitamin C 1000 mg
PurHEALTH
100
Ultra C Buffered
New Sun
100
Black Elderbarry with Liposomal Vitamin C & Zinc
SunVita Health
100
Natural Vitamin C
Herbadiet
100