Norival
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 67% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Supplement Facts — Evidence Check
10 mg
(500% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
300 mg
📊 Market median: 500.0mg (223 products)
📚 22 studies (Tier A: 0, B: 1)
Biopterin
25 mcg
Other Ingredients
Cellulose
Gelatin
Magnesium Stearate
Silicon Dioxide
Label Claims — Verification
❓
All Other
All Other (98% of products)
Structure/Function (89% of products)
Nutrient (43% of products)
Target Groups
Adult (18 - 50 Years)
Product Information
📋 Directions for Use
DIRECTIONS Take one or two capsules daily, or as directed by a physician.
🧪 Formulation Notes
N-Acetyl-L-Tyrosine With Biopterin
NORIVAL is a scientifically-designed supplement containing a special form of the amino acid, L-tyrosine in conjunction with the rate vitamin, Biopterin.
Additional Information
10090849 EXP0912
Product Details
DSLD Entry Date
2013-06-25
Product Type
Other Combinations
Form
Capsule
Brand
Cardiovascular Research
DSLD ID
22963
Data Updated
2026-04-11
Research Evidence
153
Research Sources
55
Avg Quality Score
71
Systematic Review
51
Meta Analysis
19
Rct
6
Clinical Trial
2
Other
2
Regulatory Source
1
Openfda Safety
A
Efficacy of vitamin and antioxidant supplements in prevention of cardiovascular disease: systematic review and meta-analysis of randomised controlled trials
A
Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies
A
Exploring the causal associations of micronutrients on urate levels and the risk of gout: A Mendelian randomization study
A
Pyridoxine (vitamin B6) supplementation during pregnancy or labour for maternal and neonatal outcomes
B
Treatments for Hyperemesis Gravidarum and Nausea and Vomiting in Pregnancy: A Systematic Review
B
The potential role of nutritional components in improving brain function among patients with Alzheimers disease: a meta-analysis of RCT studies
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