🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

2 Beige Capsule(s) Serving Size
Botanical with Nutrients Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

1 Gram(s)
📊 Market median: 500.0mg (143 products)
This product: 1mg
📊 Market median: 100.0mg (284 products) 📚 10 studies (Tier A: 0, B: 4)
This product: 100mg
whole Apple (Malus sp.) & Grape extract
50 mg
Cinnamon bark powder
1 mg

Other Ingredients

Gelatin Cellulose

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (100% of products) Structure/Function (91% of products) Nutrient (35% of products)

Target Groups

Adult Male (18-50 Years) Gluten Free Dairy Free

Product Information

⚠️ Warnings & Precautions

Directions: As a dietary supplement, take the contents of one packet daily with food.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

Keep out of reach of children.

🧪 Formulation Notes

No artificial colors, no wheat, no gluten, no dairy, yeast free.

Performance program for active men

Nitric Oxide Maximizer - Features ingredients shown to exhibit powerful nitric oxide boosting properties. Includes antioxidants with L-arginine, an amino acid and building block of nitric oxide which helps maintain blood vessel tone.

Additional Information

CODE 336311 AJG

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Actual size

Store in a cool, dry place.

GNC quality commitment GNC, the leader in the development and manufacture of dietary supplements, is committed to producing the highest quality products available. This commitment begins with quality designed supplement formulation. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and the shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend out quality commitment to you by offering our money-back guarantee.

GNC guarantee Use any GNC supplement for as little as 10 days. If you are not 100% completely satisfied, return the unused portion of the product with proof of purchase to your GNC store for a complete refund of your purchase price. No questions asked.

Made in the USA

Multivitamin support Increases energy levels Supports muscle and protein synthesis Boosts nitric oxide

Dr. Frank J. Costa, M.D., an internationally acclaimed urological surgeon and men's health expert, is part of the GNC Medical Advisory Board. One of "America's Top Physicians," Dr. Costa lectures nationally and internationally on men's health topics. Dr. Costa is regularly featured in television, radio and newspaper interviews and has published articles in both professional journals and popular magazines. "Proper nutrition is essential for optimal athletic performance. I recommend the Mega Men Sport Vitapak. It provides a strategic combination of vitamins, minerals and other nutrients to fuel performance while supporting good health."

Adequate nutrition is essential for both optimal health and athletic performance. In fact, proper nutrition during training is one of the keys to success. Strenuous workouts can deplete the body of important nutrients, particularly minerals and water soluble vitamins. Exercise can also increase oxidation that, in turn, increases the production of harmful free radicals.

This complete nutritional plan provides a convenient way to achieve your daily nutritional goals. Each packet is easy to take with you to the gym, to work or when traveling.

Product Details

DSLD Entry Date 2019-02-25
Product Type Botanical with Nutrients
Form Capsule
Brand GNC Men's
Bundle Mega Men Sport
DSLD ID 191085
Data Updated 2026-04-11

Research Evidence

45 Research Sources
52 Avg Quality Score
12 Rct
11 Systematic Review
11 Meta Analysis
11 Clinical Trial
A Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Meta Analysis The Cochrane database of systematic reviews 2017
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017
B Nutritional interventions for treating foot ulcers in people with diabetes
Meta Analysis The Cochrane database of systematic reviews 2020
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Systematic Review The Cochrane database of systematic reviews 2002
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2007
B The Effect of Amino Acids on Wound Healing: A Systematic Review and Meta-Analysis on Arginine and Glutamine
Meta Analysis Nutrients 2021
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute ischaemic stroke
Systematic Review The Cochrane database of systematic reviews 2000
B Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use
Meta Analysis Nutrients 2023
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2004
B An Analysis of Popular Online Erectile Dysfunction Supplements
Systematic Review The journal of sexual medicine 2019
View all evidence for L Arginine →

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