Legacy Stack

Boost Growth Hormone & Testosterone to fight age-related decline.*

Two white bottles of Novex Biotech supplements, GF-9 HGH Booster and TestroVax Testosterone Booster, are displayed against a white background.
Promotional graphic for GF-9 and TestroVax with product images and benefits listed on a blue background.
Before and after transformation of a man with text about "Legacy Stack 90-Day Transformation" on a blue background.
Navy blue background with yellow stars and white text about using GF-9 and Testrovax.
White capsule with "GF-9" branding on a red background with text about product benefits.
Blue vial of TestroVax on a red background with text about hormone therapy benefits.
Supplement facts label for GF-9 on a dark blue background
Supplement facts label for TestroVax on a dark blue background
Two white bottles of Novex Biotech supplements, GF-9 HGH Booster and TestroVax Testosterone Booster, are displayed against a white background.
Promotional graphic for GF-9 and TestroVax with product images and benefits listed on a blue background.
Before and after transformation of a man with text about "Legacy Stack 90-Day Transformation" on a blue background.
Navy blue background with yellow stars and white text about using GF-9 and Testrovax.
White capsule with "GF-9" branding on a red background with text about product benefits.
Blue vial of TestroVax on a red background with text about hormone therapy benefits.
Supplement facts label for GF-9 on a dark blue background
Supplement facts label for TestroVax on a dark blue background

Legacy Stack

Boost Growth Hormone & Testosterone to fight age-related decline.*

  • Increase growth hormone & testosterone*
  • Boost hormones* tied to muscle & libido
  • Maintain energy and vitality with age*
The Legacy Stack includes:
GF-9 (120 Capsules / 30-Day Supply)
TestroVax (90 Tablets / 30-Day Supply)
 
$168  Save over $59
Choose an Option:

How Subscription Works

Save 20% when you subscribe to a 1-month supply of the Legacy Stack (GF-9 & TestroVax) billed and delivered every 30 days. Pause, skip, or cancel anytime by logging into your account to manage your subscription.
  • Risk Free 90-Day Money-Back Guarantee
  • Free shipping on all U.S. orders
  • Pause, skip or cancel subscription anytime
The Real Enemy Isn’t Age.
It’s Decline.

The Legacy Stack is built for men who refuse to slow down. This isn’t about turning back the clock. It’s about holding the line so you stay sharp, strong, and ready for whatever life throws at you.

It starts with TestroVax, a formula designed to naturally reignite testosterone production* to help fuel your edge.

Healthy testosterone is tied to:

  • Physical Performance
  • Lean Muscle
  • Healthy Libido

Next is GF-9. Many believe growth hormone plays a major role in energy, recovery, and stamina, but your levels drop as the years climb. GF-9 is clinically shown to increase GH production by up to 682%.*

GF-9 helps support:

  • Elevated GH Levels*
  • Energy & Endurance*
  • Vitality*
  • Improved Sleep*

This is not about fighting age. It’s about pushing back on decline so you stay capable, driven, and in control.

GF-9 Capsules Supplement Facts
GF-9 Capsules Supplement Facts
TestroVax™ Supplement Facts
TestroVax Supplemental Facts
Show GF-9 Supplement Facts
View TestroVax™ Supplement Facts

GF-9 Capsules Directions

DIRECTIONS: Adults take 4 capsules with water on an empty stomach, either in the morning 2 hours before breakfast or 2 hours after dinner prior to bedtime. Do not eat or drink anything besides water two hours before or after taking GF-9. Do not exceed 4 capsules in any 24-hour period. Individual results will vary.

WARNING: Do not exceed suggested daily serving. Not for use by individuals under the age of 18 years. Consult your physician before use if you are pregnant, nursing, taking medication, or if you have a medical condition. Do not use if inner safety seal under the cap is broken or missing. Use only as directed. Keep out of reach of children.

TestroVax™ Directions

Adult males take 3 tablets daily with breakfast. Individual results will vary.

WARNING: Do not exceed suggested daily serving. For adult males only. Not for use by individuals under the age of 18 years. Before consuming TestroVax, consult your physician. Do not use TestroVax if you have any pre-existing medical condition, including but not limited to: high or low blood pressure, cardiac arrhythmia, stroke, heart, liver, or thyroid disease, anxiety, depression, seizure disorder, psychiatric disease, diabetes, pernicious anemia, difficulty urinating due to prostate enlargement, or if you are taking an MAO inhibitor or any other medication. Discontinue use if sleeplessness, tremors, dizziness, nervousness, headache, or heart palpitations occur. Do not use if the inner safety seal under the cap is broken or missing. Keep out of reach of children. Use only as directed.

Men are Paying Thousands for This.

With age, your body makes less of the hormones associated with youth. It’s hard not to notice.

Guys often describe feeling like they’re slowing down, gaining body fat, losing drive, and so on. 

That’s why some men pay thousands of dollars to inject these youth-related hormones back inside them.

Man exercising on a machine in a gym setting
Man wearing a dark long-sleeve shirt outdoors with a blurred background

You’re Going to Age Like a King.

The Legacy Stack offers comprehensive anti-aging therapy at home, and for way less than the cost of injections.

Start with GF-9®, a patented and clinically confirmed growth hormone (GH) booster. Then add TestroVax™, a testosterone-boosting powerhouse.*

You’ll start with more energy and endurance… and you’ll finish feeling 25 again.

So… What Will Your Legacy Be?

This stack is for men who are not ready to “feel old.” This is for men who want to keep going without missing a beat, while carrying a youthful fire.

This is the stack for men who want to be remembered.

Man in a black tank top exercising outdoors on a metal bar.

THE LEGACY STACK

Slow age-related decline.*

  • Increase growth hormone & testosterone*
  • Boost hormones* tied to muscle & libido
  • Maintain energy and vitality with age*
BUY IT NOW

REAL GF-9 + TESTROVAX USER REVIEWS

★★★★★

I'm better at 63 than at 40​

Been using GF-9 and Testrovax for 1 year and feel like I'm 40 again.

Chebs
★★★★★

Unmatched Strength & Recovery - A Game Changer!​

This combination has truly transformed my fitness routine, helping me push harder and bounce back faster.

JWook
★★★★★

Long time customer

My results have been more energy, great sleep, lean muscle building, more focus, more endurance for a 12 hour days of work, and no one actually guess my age correctly ever since I been using this product!

Marc
★★★★★

The best​

I feel like I am getting stronger.

Williams R
★★★★★

Awesome product​

One of the best supplements that I've tried by far.

JAEMAN

Questions? We’ve Got You Covered. 

Both of these youth hormones naturally decline with age, but they’re each very different: 

Testosterone is the main sex hormone in men. It’s manufactured in the testicles, and it’s vital for physical and sexual development in men, as well as muscle growth, sex drive, strength, and more.  

Growth hormone is manufactured in the pituitary gland, and it’s vital for overall development and maintenance of the body, including tissue repair, muscle growth, fat metabolism, and energy levels. It plays a key role in physical development during childhood and continues to support metabolic functions and body composition in adults. 

All the ingredients in TestroVax and GF-9 have a history of safe use in healthy adults. 

Neither formula includes any hormones. Both formulas work WITH your body to naturally increase the production of youth hormones. 

We wouldn't expect either formula to show up on a drug test or be banned in sports. However, competitive athletes should always check with their trainers and governing bodies before using supplements in any organized athletic competition.

Overall rating: 4.5 / 5 from 12 reviews.

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Reviews

This combo is fantastic! I

"This combo is fantastic! I used it exactly as directed in the instructions. It gave me increased strength for swim training—I pushed past my limits and broke my personal records, going from swimming one mile to two and a half miles during the cycle. Plus, it boosts sexual energy."

— Mario B. (5/5)

I stack these both every

"I stack these both every other month, for years now. Keeps me motivated both on the job and in the bedrooms Can’t say enough about Novex - except…. What are you waiting for!? It will change your life. 💪"

— Nancy H. (5/5)

The stack works great!

"This stack is one of the best I have ever used. I have been weightlifting for 40 years and have tried many products. This is one of the best I have used. I have increased strength and size in a very short amount of time."

— Robert G. (5/5)

Great Combo

"Great combination of products to keep me looking and feeling young"

— RJ (5/5)

Legacy stack

"Im enjoying this stack. Gives me energy and the pump i need that keeps me going. Makes muscles feel full, as well. . would recommend"

— Aaron B. (5/5)

Good product . I need

"Good product . I need more time to see better results"

— Damon W. (5/5)

Good

"Good"

— Elbert P. (4/5)

I enjoy buying the product

"I enjoy buying the product from GNC and I didn’t know I could’ve bought it directly, even better by taking advantage of the Black Friday sales"

— Barrett R. (5/5)

I have had a great

"I have had a great benefit with my sleep cycle using the product. I also find that I recover faster from workouts. It’s a solid, albeit expensive, product that I would definitely recommend."

— Glenn S. (4/5)

It's doing exactly what it

"It's doing exactly what it says it does"

— Talmadge C. (5/5)

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