The Key to Rapid Muscle Gain

Unlock Your Full Potential


Lean Muscle Mass

ProSTACK improves your body's ability to convert protein into lean muscle mass, allowing you to build muscle at a much faster rate.


Muscle Strength

When used with a high weight - low repetition workout ProSTACK helps you to build dense muscle, this increases your muscular strength.


Recovery Time

By reducing muscle recovery time ProSTACK allows you to hit the gym with maximum anabolic potential from every workout.

Activate Beast Mode

Pack on Lean Muscle Mass

Achieve Your Goal With ProSTACK

By stimulating higher HGH release rates and increasing natural testosterone production ProSTACK switches your body into ultra-high response mode, helping you convert protein into lean muscle gains week, after week.

ProSTACK Reviews

  • This won't be the longest review you have ever received I'm sure, but I had to email to let you know how stoked I am with the results from my ProSTACK cycles.

    I hammered through two separate eight-week cycles with nothing but lean muscle gains, check out the picture attached. Also, feel free to add me to your mailing list.

    Sam Fold

    Perth - Western Australia


  • In the past I used what you might call 'naughty stuff,' but I would find is when I'd stop using I would lose some of the muscle I'd gained, feel weak and suffer from shut-down.

    Because of this I decided to look for a better option and found your website via a friends recommendation, and so here is my honest opinion.

    For me, ProSTACK is like being on the juice, but without the side effects, it gives me solid muscle gains and a decent strength increase. The main benefits for me are the fact that I kept 99% of muscle gained once I stop using it, and very importantly no side effects.

    Jim O'Brien

    Jersey City - New Jersey

    United States

  •  I was impressed with ProSTCK's ability to push me to the peak of my game, with a substantial increase in strength and muscle size noticed over the eight week cycle that I was using it for.

    As a qualified PT, I would highly recommend adding ProSTACK to your existing supplement stack if you are looking to build muscle and increase strength.

    Adam Jones

    Personal Trainer/Journalist

    365 Fitness Magazine

  • I had totally hit a wall, I couldn't gain weight no matter how much I hit the gym. I tried to smash through by increasing my protein intake and pushing my workouts as hard as I could, but it seemed to be having no effect, apart from the excess protein going straight through me in a bad way!

    After some consideration, I decided to try ProSTACK, I'm pleased to report that I have started making consistent gains in lean muscle once again, many thanks.

    Kevin Williams

    Astoria - New York

    United States

  • I am a personal trainer working for Fitness First in the United Kingdom and use ProSTACK for personal use. Credit where credit is due it's a phenomenal supplement for packing on the muscle, however, I would like to start recommending it to my clients and need to know if ProSTACK is WADA safe?

    Hope you can get back to me soon or provide an answer in your FAQs section.

    Martin Simpson

    London - England

    United Kingdom

  • I've been trying to get rid of my 'Dad Bod' at the gym for over 12 months to no avail, I wasn't too bad, just flabby and out of shape, but for all the effort I put in I seemed to be getting no results.

    It felt like I was stuck in neutral going nowhere, and then I started my first ProSTACK cycle of 6 weeks, along with my usual protein and creatine supplements, and it felt like my body had finally found the right gear and started moving towards my goal.

    As you can probably see from my picture, I am starting to take on a more muscular frame up top, but still need to tighten up around my abs. There is no before shot attached, I made sure none are still in existance!

    Leon Butler

    Arlington - Virginia

    United States

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If you wish to leave a ProSTACK review, please email
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How ProSTACK Works

The Anabolic Formula

Leucine: The Anabolic Trigger

Leucine is an alpha-amino acid with a very complex process of metabolism via α-Ketoisocaproate and β-Hydroxy β-methylbutyryl-CoA.

Dietary administered Leucine at the correct dosage is an efficient mTOR activator with the capacity to directly stimulate muscle protein synthesis, slowing the degradation of existing muscle tissue and increasing the creation of new muscle proteins.

Growth Hormone Increase

It is well established that a combination of Arginine and Glutamine taken at the correct times will stimulate an increase in the release rate and quantity of growth hormone (HGH) from the pituitary gland. This increase of naturally produced HGH helps bodybuilders to rapidly increase their muscle size.

By using Citrulline metabolized to Arginine in the kidneys ProSTACK delivers the perfect Arginine to Glutamine ratio for the maximum HGH increase*

*Studies show an average increase of 122.14%.

D-Aspartic Acid r3-Complex®

D-Aspartic Acid r3-Complex® (D-AAr3) uses a very particular blend of D-Aspartic Acid, Zinc L-monomethionine, Vitamin D3 and Magnesium Aspartate to regulate testosterone synthesis.

Using this established formula with DRS delivery, D-AAr3 pushes your natural testosterone production to the maximum and also helps release existing testosterone from the binding protein SHBG, giving you a major boost of free testosterone.

DRS Capsules - For Perfect Metabolization

ProSTACK uses unique Delayed Release capsules (DRS) to transport active ingredients past the stomach acid, releasing them at the ideal pH level within the intestinal tract for perfect metabolization.

Without delayed release delivery, the active compounds contained in ProSTACK could not achieve their desired effects.


plus-imageHow do I take ProSTACK for the best results?

Maximum Strenght; Take two capsules first thing in the morning, and another two capsules last thing at night.
Medium Strength; Take two capsules first thing in the morning, and one capsule last thing at night.
Low Strength; Take one capsule first thing in the morning, and one capsule last thing at night.

plus-imageShould I cycle ProSTACK?

ProSTACK can be used continually, but we recommend a cycle of eight weeks on, three weeks off to get the best results.

plus-imageShould I take protein when using ProSTACK?

Yes; a high protein diet is essential for ProSTACK to work properly. ProSTACK increases the rate that your body converts protein into muscle, therefore it is crucial that you give your body the protein it needs to carry out this process.

plus-imageCan I use ProSTACK with Tongkat Ali?

Yes; ProSTACK boosts testosterone levels, but you can also take TKA1:200 Tongkat Ali extract along with ProSTACK if you are looking for even more testosterone in your bodybuilding cycle.

plus-imageDo I need a seperate anit-estrogen?

No; ProSTACK is perfectly safe to use without the need for anti-estrogens.

plus-imageDoes ProSTACK contain any illegal substances?

No; ProSTACK does NOT contain any illegal substances, nor does ProSTACK violate World Anti-Doping Code for prohibited substances 2017.

View Directions & Supplement Facts


Product Specifications


Suggested Use: Take two capsules first thing in the morning, and two capsules last thing at night.

Guidance Notice:

  • Do not exceed the maximum daily dose
  • Keep out of reach of children
  • Store in a cool, dry place
  • Suitable for vegetarians

Supplement Facts

Serving size: 2 capsules

Capsules per container: 90

Leucine ¹ 410mg *

Citrulline ¹ 400mg *

Glutamine ¹ 250mg *

D-Aspartic Acid r3-Complex® ¹ 184mg *

* Daily values not established

¹ Controlled metabolization through DRS capsule delivery

Other Ingredients: HPMC (vegetarian safe DRS capsule shell)