Natural Flex
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
1 Capsule(s)
Serving Size
120
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
20 mg
(33% DV)
4 mg
(200% DV)
✅ 1.7× RDA — within safe limits
📚 8 studies — no high-quality reviews
500 mg
📊 Market median: 1000.0mg (1115 products)
📚 22 studies (Tier A: 0, B: 9)
400 mg
📊 Market median: 600.0mg (79 products)
📚 24 studies (Tier A: 0, B: 6)
Other Ingredients
Gelatin
Vegetable Stearate
Silicon Dioxide
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
Product Information
📋 Directions for Use
Suggested Use: As a dietary supplement, take 1 capsule three times daily with a meal or as directed by your health care practitioner.
⚠️ Warnings & Precautions
Warning: If you are pregnant or nursing, consult your health care practitioner before taking this product.
Keep out of reach of children.
Contains: Shrimp and crab.
🧪 Formulation Notes
This product is free of citrus, corn, gluten, rice and yeast.
Contains: Shrimp and crab.
Additional Information
TRUTH We pledge total truth in labeling. Our family of products contain only the purest and most potent ingredients. Guaranteed.
Color of this product may vary due to color variations of the natural ingredients.
Store in a cool, dry place.
0200444.120 0810A
10422100 0713
Product Details
UPC / SKU
0 26664 24441 3
DSLD Entry Date
2013-10-25
Product Type
Other Combinations
Form
Capsule
DSLD ID
23229
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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