Energy Enhancer N.O.
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 50% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyL-arginine and grape seed extract are used to support nitric oxide production and blood flow, though evidence for performance enhancement is generally limited. Niacin supports cellular energy metabolism. Overall, the evidence coverage for this specific ingredient profile is very low.
AI-generated summary based on research evidence. Not medical advice.
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
Label Claims — Verification
Product Information
Directions for Use
DIRECTIONS: As a dietary supplement, take the contents of one pak 30-60 minutes pre-workout. On non-training days, take the contents of one pak first thing in the morning with food. Do not exceed one pak daily.
Warnings & Precautions
Consult your physician prior to using this product if you are pregnant, nursing, taking medication, allergic or contraindicated to aspirin, or have a medical condition. Discontinue use two weeks prior to surgery, or if upset stomach occurs.
Consult your physician prior to using this product if you are pregnant, nursing, taking medication, allergic or contraindicated to aspirin, or have a medical condition. Discontinue use two weeks prior to surgery, or if upset stomach occurs.
KEEP OUT OF REACH OF CHILDREN.
Formulation Notes
No Wheat, No Gluten, No Dairy, Yeast Free.
Additional Information
In a randomized, double blind, placebo controlled study, 50 healthy untrained male volunteers were given Energy Enhancer N.O. or a placebo. Each subject exercised on a cycle ergometer prior to receiving the supplement or placebo and again after the treatment period was finished. Those subjects supplemented with Energy Enhancer N.O. had a 20% increase in PWCFT (physical working capacity at the fatigue threshold) after four weeks of supplementation relative to the placebo group.
ACTUAL SIZE
Energy Enhancer N.O.
Energy Enhancer N.O. – This advanced nitric oxide product provides 1.5g of micronized arginine and is included to help increase your power output at the onset of fatigue 20%.† It’s clinically studied and designed to enhance blood flow and amplify your intense workouts.* Technologically enhanced for better absorption to maximize muscle performance capacity and give your body the push it needs to go above and beyond your regular workouts.
MegaNatural(R)-BP
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 formulations. Every raw material that goes into a GNC supplement is guaranteed as to quality and potency. Each product is dated and then shipped immediately to our stores, so you can be sure you are purchasing the freshest supplements available. At GNC, we extend our quality commitment to you by offering our money-back guarantee.
To maximize total endurance and energy support, use with: • Amplified Endurance Booster – loaded with electrolytes, carbohydrates and BCAA to replenish glycogen stores fast* • Amplified 100% Whey Protein – with fast-absorbing protein to fuel your training*
Clinically Researched^
Store in a cool, dry place.
ADVANCED MUSCLE PERFORMANCE
ADVANCED SPORTS VITAMIN SYSTEM TO AMPLIFY ENDURANCE WITH OVER 50 POWERFUL INGREDIENTS*
CODE 331311 CMG
Daily Endurance Energy Stamina
Each pak contains:
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!
Product Details
Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.