Vitamin B2 300 mg
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Capsule(s)
Serving Size
100
Servings
Vitamin
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
300 mg
(17645% DV)
📊 230.8× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
Other Ingredients
Gelatin Capsules
Label Claims — Verification
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (85% of products)
Nutrient (48% of products)
No Claim (1% of products)
Target Groups
Adult (18 - 50 Years)
Product Information
📋 Directions for Use
Suggested use: Take 1 capsule, preferably with a meal, or as directed by a healthcare professional.
⚠️ Warnings & Precautions
Keep away from children.
Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.
If any adverse reactions occur, immediately stop using this product and consult your doctor. If seal under cap is damaged or missing, do not use.
🧪 Formulation Notes
Our products don't contain flow agents like magnesium stearate. Not now, not ever.
Supports energy metabolism
Additional Information
Made in USA
Leader in purity Established by Dr. Clark's Family in 1993
Quality Assured GMP
Store at room temperature.
Company does not adopt any Dr. Clark claims.
Product Details
UPC / SKU
6 52384 10466 1
DSLD Entry Date
2020-03-24
Product Type
Vitamin
Form
Capsule
Brand
Dr. Clark Store
DSLD ID
215841
Data Updated
2026-04-11
Research Evidence
22
Research Sources
49
Avg Quality Score
8
Rct
4
Meta Analysis
4
Clinical Trial
3
Systematic Review
1
Cochrane Review
1
Regulatory Source
B
Effect of vitamin B2, vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
B
Effect of Vitamin B2 supplementation on migraine prophylaxis: a systematic review and meta-analysis
B
Supplementary vitamin E, selenium, cysteine and riboflavin for preventing kwashiorkor in preschool children in developing countries
B
Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review and meta-analysis
C
Medium-dose riboflavin as a prophylactic agent in children with migraine: a preliminary placebo-controlled, randomised, double-blind, cross-over trial
C
The efficacy of 2 different phakic intraocular lens implant in keratoconus as an isolated procedure or combined with collagen crosslinking and intra-stromal corneal ring segments: a systematic review and meta-analysis
C
Epithelium-off photochemical corneal collagen cross-linkage using riboflavin and ultraviolet a for keratoconus and keratectasia: a systematic review and meta-analysis
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