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Product Reviewed: Growth Factor 9

Price: $100

Muscle and Youth


Does Growth Factor 9 Work?


Note: This is a Growth Factor 9 review. To order, visit the Growth Factor 9 website.


growth factor 9 review 1

HGH is being hailed as the modern day fountain of youth.  So of course, there are tons of HGH releasing supplements.  Some are better than others. The more HGH you have, the younger you look and feel. When we’re young, our pituitary gland releases tons of the stuff. But as we age, the system slows down more and more, leaving our cells and tissue less and less able to rejuvenate and rebuild.


Celebrities and the wealthy often get HGH injections in the war against aging. But there are several reasons this hasn’t made its way into the mainstream yet. For one thing, it’s expensive. Monthly treatments cost upwards of $1,500. For another thing, it’s not approved for use against aging, so doctors have to use it “off-label.” Lastly, these are injections. Ouch.


HGH is also popular enough with athletes that it’s been banned by most if not all doping agencies. The benefits of HGH are real. What’s left to determine is whether or not there’s a way to get this safely, affordably, and effectively.


So for the rest of us, there are HGH Secretagogues, like Growth Factor 9. Instead of actual synthetic HGH, they contain amino acids and other ingredients that supposedly stimulate your body’s own natural processes, resulting in an increase of HGH secretion and HGH levels.


What is Growth Factor 9?


There are tons of HGH supplements, but Growth Factor 9 claims to have them all beat in terms of results. Made by Novex Biotech, they claim it’s 682% better than the competition and that it’s been clinically tested and suggested to support serum growth hormone levels naturally.


And when HGH is up, you’ll sleep better, be in a better mood, lose fat more easily, gain muscle faster, recovery from workouts more quickly, and even have fewer wrinkles in your skin.


Growth Factor 9 Clinical Testing


The Growth Factor 9 website makes a big point of touting the clinical trials that resulted in a 682% increase in serum HGH levels. It was a double-blind, placebo-controlled trial using both men and women who were given either Growth Factor 9 or a placebo. Serum growth hormone levels were tested at different intervals, and after 120 minutes, those who took the Growth Factor 9 saw levels increase by 682% which was significantly higher than what was seen by those who took the placebo.


Interesting results to be sure, but more research is needed to determine how long the levels remain elevated and what kinds of effects the elevation had on athletic performance and overall well being.


growth factor 9 review 2Growth Factor 9 Ingredients


Taking a look at what goes into the Growth Factor 9 formula, we find the SeroVital HGH Proprietary Blend which contains primarily amino acids such as L-Lysine, L-Arginine, and L-Glutamine. It contains Oxo-Proline, N-Acetyl L-Cysteine, and Schizonepeta as well.


The list of amino acids is what you typically find in HGH supplements. (1) It’s believed that the combination can stimulate natural production and secretion. But despite the clinical study results, there is no scientific evidence that any of these ingredients boosts HGH levels in the long term or results in better athletic performance as a result.


Whats in Growth Factor 9 And How Does it work?



Arginine is best known for its ability to NO, or nitrous oxide levels.  You will find this in a lot of Preworkout supplements. However, it can also boost growth hormone (GH) levels. It does this by inhibiting production of somatostatin, a hormone that impairs GH production.



Arginine is an amino acid that is readily converted in the body into nitric oxide (NO), to dilate blood vessels to deliver more oxygen and nutrient-rich blood to muscles.



Acetylcysteine is an amino acid that protects muscle cells from oxidative damage that occurs during exercise, and aids in their recovery. It has also been shown to improve muscle endurance, enhance fat loss, and boost NO levels.



Glutamine can also increase GH production. Glutamine is also important for proper immune function, which means more time in top form.  L-Glutamine is also necessary for recovery.  While Growth Factor 9 does cite a study to support their claims, we can not find it.  But regarding L-Glutamine, researchers at Louisiana State reported that subjects taking this amino acid had an increase in GH levels 90 minutes after ingestion.




This Japanese herb is well known for its ability to enhance immune function in the body. Research shows that it may also help treat certain skin conditions, such as eczema, psoriasis, and rashes.

The proprietary combination of these ingredients in their unique ratios, as found in GF-9, was responsible for the 682 percent increase in GH levels reported in a recent clinical study.  However, as much as the Growth Factor 9 touts this clinical study, they did not provide a link.  So we can not verify any of their claims.


Growth Factor 9 and SeroVital


SeroVital is another HGH supplement, and it turns out Growth Factor 9 is the exact same thing, just going by a different name. SeroVital is marketed toward the anti-aging crowd while Growth Factor 9 is marketing more toward bodybuilders and athletes.


You might wonder why we even care that they’re the same. We don’t, except it’s a strong indication that marketing and sales is more important to these companies and successfully boosting HGH levels in their users.



growth factor 9 review 4


How To Use Growth Factor 9


You’re instructed to take 4 Growth Factor 9 capsules per day on an empty stomach. It’s suggested that you take it either 2 hours before breakfast in the morning or 2 hours after dinner at night. All the research I’ve seen suggests that HGH supplements are better taken at night because HGH is released while you’re sleeping.


Growth Factor 9 Clinical Trial


According to the Growth Factor 9 website and Bodybuilding.com, we keep hearing that Growth Factor 9 is supported by a clinical double blind study.  As a matter of fact they claim that HGH levels increased 682%.  But we have looked everywhere for this clinical study for Growth Factor 9 and we can not find it anywhere!

They claim that Growth Factor 9’s results were accepted at “The Obesity Society’s prestigious 30th Annual Scientific Meeting”.  But even the Obesity.org website does not have a briefing of this presentation.  You pretty much have to take Novexbiotech’s word.


That is a red flag for us.


Growth Factor 9 Before and After Reviews


Because Growth Factor 9 is available for purchase on Bodybuilding.com, we were able to find sevea customer reviews on the stuff. The most interesting thing we found was that customers either love it or they hate it. There are very few reviews that aren’t given either 10 stars or 1 star:


Paul says: “Bought 5 bottles of this product, used it for 5 months without cycling (as costumer service recommended), 2 hours after my last meal. Seen no effect at all- doesnt help you fall asleep, no effect during and after the gym. Complete waste of (alot) of money.”

while Stewy says: “After only a month I can already notice less fat and more muscle definition. I have also upped all my weights in everything I do by 30-50lbs. I also have noticed my knees aren’t hurting as much and I seem to have a ton more energy.”


And it goes on like that, back and forth among the customers who’ve used it, making it difficult to get much benefit out of looking at feedback.


Where to Buy Growth Factor 9


You can pick Growth Factor 9 up in GNC stores or you can buy it online through Novex Biotech or other online retailers like Bodybuilding.com. It’s not cheap. A month’s supply runs anywhere from $80-$100 depending on where you buy it.


Growth Factor 9 Pros


  • It’s been clinically tested and shown to increase HGH levels.
  • There is some positive feedback from customers who’ve used it.


Growth Factor 9 Cons


  • It’s very expensive.
  • Though the temporary elevation of HGH has been proven, lasting elevation and the benefits you might get from it hasn’t been.


Our Growth Factor 9 Conclusion

The results of the clinical testing make it tempting to try Growth Factor 9, but there are some red flags to keep the excitement level down. There are some very scathing reviews from customers who had high hopes but were ultimately let down. And on top of that, the clinical testing was very limited in scope and didn’t prove athletic improvement.


In the end, I’d expect more for the money than Growth Factor 9 offers.

HyperGH 14 x Crossfit HGH releaser


There are many HGH releasers and we have reviewed many of them.  HyperGH 14x sticks out as one of the most effective.  We highly suggest you check out the review here. 








(1) Structural Requirements for the Activation of the Human Growth Hormone Secretagogue Receptor by Peptide and Nonpeptide Secretagogues. Scott D. Feighner, Andrew D. Howard, Kristine Prendergast, Oksana C. Palyha, Donna L. Hreniuk, Ravi Nargund, Dennis Underwood, James R. Tata,Dennis C. Dean, Carina P. Tan, Karen Kulju McKee, John W. Woods, Arthur A. Patchett, Roy G. Smith, and Lex H. T. Van der Ploeg. Molecular Endocrinology. List of Issues. Volume 12, Issue 1.

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Conclusion Rating
3 stars
3 stars
Ease of Use
4 stars
Stacks Well With Other Products
3 stars
Return Policy
3 stars

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From: Ian


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