🟡 70/100

Review before taking

  • Niacin: 45mg is 1.3× the Tolerable Upper Intake Level (35mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 50% of ingredients have research evidence
C 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.

Safety Alerts

⚠️ Niacin: 45mg is 1.3× the Tolerable Upper Intake Level (35mg)
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

The product's safety score is lowered because the niacin content exceeds the recommended daily upper limit and the exact amounts of ingredients in its proprietary blend are not disclosed.

Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

45 mg (225% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 45mg UL 35mg
Proprietary Protodexx Complex
1577 mg

Other Ingredients

Gelatin Magnesium Stearate Titanium Dioxide

Label Claims — Verification

All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult Male (18-50 Years)

Product Information

📋 Directions for Use

Recommended Use: Adult men take two (2) capsules on an empty stomach daily

⚠️ Warnings & Precautions

Do not use this product if you are at risk of or are being treated for high blood pressure, kidney, liver, thyroid or psychiatric disease, anxiety or if you suffer from depression.

🧪 Formulation Notes

Rexafenix-matche

Rexavar represents the finest combination of natural compounds and complexes to support male sexual enhancement, performance, and pleasure. Each serving is full of the latest cutting-edge pro sexual ingredients which have been synergistically mixed using advanced state-of-the-art cold processing technology.

Rexavar represents the finest combination of natural compounds and complexes to support male sexual enhancement, performance, and pleasure.

Each capsule is guaranteed to be pure, safe, and its potency is certified.

Size Performance Pleasure 72.1% increase Clinically tested size boosting compound

Additional Information

Ultra

Made in the USA

Maximum Strength

IHD USA

Product Details

DSLD Entry Date 2020-05-22
Product Type Other Combinations
Form Capsule
DSLD ID 221357
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

Compare Similar Products

View all Niacin products →