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Energy Enhancer

GNC Longevity FactorsUpdated April 2026

This product has been discontinued. Label data shown is from the last available version.

Product Information

Form
Other (e.g. tea bag)
Servings Per Container
30
Product Type
Other Combinations
DSLD Entry Date
2011-11-25

Target Groups

Adult (18 - 50 Years)

All Ingredients

IngredientAmount% DV
Niacin10 mg50%
L-Arginine, Micronized1500 mg
MegaNatural(R) -BP(TM) Grape Seed Extract300 mg
PEG150 mg

† Daily Value not established.

Label Statements

FDA Statement of Identity

DIETARY SUPPLEMENT

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take three caplets daily.

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

FDA Disclaimer Statement

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Storage

Store in a cool, dry place.

General Statements: All Other Content

^In a 4 week randomized, double blind, placebo controlled study of 50 healthy untrained male volunteers ages 19-29, subjects were supplemented with either one of two doses of Energy Enhancer or placebo. After 4 weeks of treatment, the subjects taking Energy Enhancer experienced significant increases in PWCFT (physical working capacity at the fatigue threshold) over the placebo group.

General Statements: All Other Content

Caffeine-free formula with antioxidants and amino acids to support your body's natural energy and help you feel better throughout the day*

General Statements: All Other Content

Clinically Researched Ingredients

General: Product/Version Code

CODE 724921 LKG

General Statements: All Other Content

Conforms to USP<2091> for weight.

General Statements: All Other Content

Easy to Swallow

General Statements: All Other Content

Energy Enhancing Blend – this caffeine-free energy formula helps invigorate your body so you can push through your day! It’s not a stimulant that will make you shake out of your shoes. It provides ingredients that play important roles in energy metabolism- that’s how your body uses energy.* In a clinical study, this formula helped to delay muscle fatigue when taken daily.^

General Statements: All Other Content

GNC GURANTEE 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!

General Statements: All Other Content

GNC QUALITY COMMITMENT For more than 75 years GNC has been dedicated to helping health conscious consumers Live Well. As the leader in nutritional supplement industry, we have remained committed to producing the highest quality and scientifically advanced products available on the market. This commitment begins with our scientific research and product development then continues through to the raw material procurement, manufacturing, packaging and transportation of the finished product. We take pride in our commitment to ensuring quality and we extend our confidence to you in our money-back guarantee.

General Statements: All Other Content

Invigorate your body

General Statements: All Other Content

NEW

General Statements: All Other Content

Please recycle this box.

General Statements: All Other Content

Polyphenols – includes powerful antioxidant protection from grape seed extract that’s packed with polyphenols which can help combat the free radicals associated with cell-aging.*

Precautions re: Pregnant or Nursing or Prescription Medications

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.

Brand IP Statement(s) re: (c), (TM), (SM)

Dr. Joseph Maroon and Longevity Factors(TM) "You can’t stop aging. But you can age well." Dr. Joseph Maroon is a world-renowned neurosurgeon, sports medicine specialist, nutritional expert and author. Together with GNC, Dr. Maroon developed the breakthrough Longevity Factors(tm) line of products that work to support healthy aging. Living proof of his theories, Dr. Maroon has participated in over 70 triathlons and 6 Ironman Championships.

Brand IP Statement(s) re: (c), (TM), (SM)

GNC Longevity Factors(TM) Energy Enhancer Premium formula. Clinically researched ingredients. Physician endorsed.

Brand IP Statement(s) re: (c), (TM), (SM)

Longevity Factors(TM) Energy Enhancer “Don’t let tiredness get in your way. With age, both your metabolism and energy levels begin to decline. The ingredients in this formula can assist your body in enhancing energy level.”* -Joseph Maroon, M.D.

Brand IP Statement(s) re: (c), (TM), (SM)

MegaNatural(R) -BP(TM) and its logo are trademarks of Constellation Wines U.S., Inc.

Formulation re: Does NOT Contain

No Sugar, No Artificial Colors, No Artificial Flavors, No Preservatives, No Wheat, No Gluten, No Soy, No Dairy, Yeast Free.

Supplement Facts Panel

Supplement Facts
Serving Size 3 Caplet(s)
Servings Per Container 30
Amount Per Serving% Daily Value*
Niacin
10 mg50%
L-Arginine, Micronized
1500 mg
MegaNatural(R) -BP(TM) Grape Seed Extract
300 mg
PEG
150 mg

* Percent Daily Values are based on a 2,000 calorie diet.

† Daily Value not established.

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