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When I read the results of this study…I was FLOORED by the results! I mean, we can actually boost this muscle-building hormone by 30% by doing nothing – we can lie in bed for all it matters!

Insulin-like growth factor-1 (IGF-1) is one of the most potent anabolic hormones along with testosterone and growth hormone.


  • Transports amino acids (building blocks of protein/muscle)
  • Increases Protein Synthesis (the rate at which you grow)
  • Prevents muscle breakdown

Wow! So if you can increase IGF-1 by 30%, you’re going to make bigger/faster gains!


NOTE: Before I tell you what to do, Scientists have found the best breakfast for building muscle – it TRIPLES GROWTH HORMONE levels! It’s easy and not what you think. Just type in your email below to get it.



So here’s how to do it…



This study [1] called ‘Increased IGF mRNA in Human Skeletal Muscle after Creatine Supplementation’ has shown that after loading with creatine, muscle biopsies revealed a 30% increase in expression of mRNA for IGF-I in RESTING muscle.

The body is therefore in a more anabolic environment after you’ve maximized muscle creatine levels. This means that you have an increased capacity for muscle growth while lying on the couch watching TV – Cool!


By the way, take 5g creatine AFTER your T.H.T. Training sessions along with your whey shake. You don’t take creatine before training. I explain why not, along with a study showing DOUBLE the gains when taking creatine AFTER training instead of before, here.

I always recommend creatine to my coaching clients – it doesn’t matter whether they’re cutting or bulking. It’ll help add more lean mass and prevent you from losing it. Also, you guys and gals on Advanced THT should be taking creatine – don’t neglect it for the best gains of your life!


Another important factor is the type of creatine you use. For a variety of reasons, I’ve previously blogged about the fact that the original form of creatine – creatine monohydrate – is the most potent form in terms of anabolic effects.

Here is a good quality and inexpensive creatine in the US. And you can get a great creatine mono in UK/Europe here for just £4.99.


If you’re new to the game and want to know what creatine is and how it works, go here.

So if you want:

  • Higher IGF-1 Levels
  • Muscle Cell Volumization
  • Increased Protein Synthesis
  • Better Workout Performance

…Get yourself some creatine!

And before someone asks, yes it’s safe! ~ Mark McManus 🙂


P.S. I know that putting together a diet for mass gains or getting shredded abs can be a pain in the butt, especially if you are new to this – that’s why I offer a service where I will do all the tough ground work for you.
You probably don’t know how many calories you need, or how many grams of protein, carbs or fat you need (based on your personal stats)…BUT I DO. Then I can take these numbers and create an exact meal plan for you to hit those numbers spot on! You’ll know what foods to eat and even when to eat them. All you have to do…is do it. No thinking involved. If you’d like me to take care of this for you, see the Get Me Shredded option on my Coaching Page here.

Get Totally Shredded Fast

Get ripped at blistering speed without losing muscle and keep gaining in the gym. Also, you get your abs or you get your money back! That's the power of Mark's Total Six Pack Abs program. More details here.

Buff Baking Anabolic Cookbook

Extremely easy anabolic recipes with simple ingredients that makes fueling muscle growth feel like a cheat meal! Bars, cookies, pizza, ice cream...see pics and recipes here.

Advanced T.H.T. Training

A brand new workout including 9 x advanced "Shock & Awe" hypertrophy techniques to ignite pounds of new gains! It's "Game-Changing" time! Got at least 1yrs training experience? It may be time to go advanced! You've never trained like this before. Get all the details here.

Stay Shredded

Stay shredded all year – no more long cutting cycles. If you’ve ever gotten ripped abs only to lose them a few weeks later, you need to know the secrets of staying shredded without fasting and without giving up cheat meals. I’m ripped all year – you should be too! Details here.

Shoulder Blast Workout

In Jan 2019 a bunch of 'lab rats' tested the New Shoulder Blast Workout and gained up to 2.5 inches in shoulder size in 7-10 days! There is a very specific type of training stress that works uniquely well for the shoulders. You're about to target it...hard! More details here.

The Arm Blast Experiment

Gain up to an inch on your arms over the next week with new "hyper-intense" training techniques that literally force new arm growth. The workout is based on the results of an online study conducted by Mark from MuscleHack. More details here.

Chest Blast Workout

3 Workouts | 7 Days | Up to 3 inches in chest growth! A workout that will fry every muscle fiber in your pecs and literally force new and permanent growth...fast! More details here.

The Leg Blast Workout

An explosive training package for fast leg gains! 1 week | 3 x 90 minute workouts | "hyper-intense" techniques = big & fast leg gains. Up to 3 inches in growth. See more details and testimonials here.

Get The Free MuscleHack App!

FREE for iPhone & Android! Just go to the App or Play store and search for 'musclehack'.

The THT workouts are already programmed into the app so you can track your progress to make sure you are packing on new slabs of muscle!

You’ll also get all my latest tips for free in the app!

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MuscleHack is a one-man operation. Mark does everything here - the articles, videos, social media updates, THT workouts - all at no cost to you. Please help keep it all free by giving a small donation. Thank you!


I highly recommend MyProtein for all your supplement needs.




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You'll love your fast gains on THT!

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You'll love your fast gains on THT!

Cool! Click here to take you to the download page. (or check your email for the download link)