"This is hands down the best preworkout I have taken! Great boost in the morning, long lasting, and no crash!" - Jonathan B.
BEST SELLER
BEST SELLER
The Muscle House STIM Agent is your ultimate MULTI-FUNCTION pre workout supplement. Featuring over 15 evidence-based ingredients in their clinically-proven doses. STIM Agent will transform your workouts into an immersive experience of:
Animalistic energy that blasts through your workouts
Laser focus that's like an Olympic Gold Medalist in "The Zone"
Shirt-ripping muscle pumps that not only make you look good, but also give you muscle-nurturing blood flow
Enhanced strength that'll make you say, "WOW, the weight on the bar feels extra light today!"
And so much more...
Altogether, you're looking at a matrix of energy, euphoria and focus-derived ingredients that deliver results and make your workouts incredibly fun!
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The Muscle House STIM Agent is your ultimate MULTI-FUNCTION pre workout supplement. Featuring over 15 evidence-based ingredients in their clinically-proven doses. STIM Agent will transform your workouts into an immersive experience of:
Animalistic energy that blasts through your workouts
Laser focus that's like an Olympic Gold Medalist in "The Zone"
Shirt-ripping muscle pumps that not only make you look good, but also give you muscle-nurturing blood flow
Enhanced strength that'll make you say, "WOW, the weight on the bar feels extra light today!"
And so much more...
Altogether, you're looking at a matrix of energy, euphoria and focus-derived ingredients that deliver results and make your workouts incredibly fun!
Our full 60-day, money-back guarantee means no risk to you
All orders ship right after you complete checkout (as if you bought it in the store!)
No extra additives or fillers means a cleaner product — with less side effects (no bloating, gastric, or skin issues!)
If you're training at the highest level, you need an evidence-based formula that delivers the energy & focus that supports it.
That's why the deal on this page is a secret weapon that even pro bodybuilders are taking advantage of...
See how this EXACT pre-workout helped Rick power through the most challenging part of his training and take home a pro bodybuilding championship!
How STIM Gives You Increased Strength Through This New
"Mind-Muscle Connection"
STIM Agent features 15 clinically-proven ingredients. Some of these ingredients are designed to increase your energy & power output, while others enhance your focus — allowing you to enter what athletes refer to as, "The Zone."
Consider it the Limitless pill for the brain AND muscles.
Today, you can try it at a 50% discount and lock in a FREE tub of protein.
If you're looking for something that kicks in fast, STIM agent is what you're looking for. Whether you take it on an empty stomach or with food, it kicks in consistently at the same time... allowing you to time your dose perfectly. And after it wears off, you're still left with "a nice, productive, focus & energy... without the crash."
But don't just take our word for it...
Listen to Fitness Influencer & customer, David Fredrickson's raw, unbiased review about STIM!
Ingredient list
100% MONEY BACK GUARANTEE
Of course, your order today is backed by our full money-back guarantee. Up to 60-days after your order, if for any reason you're not happy, simply let us know and we'll issue you a full refund...and you can keep the pre-workout, too! (No need to worry about sending it back to us or anything. Simply call us up, or email our support team and we'll take care of the rest).
We're that confident you'll love The Muscle House Nutrition so much, that we're willing to take on all of this risk. Not to mention, give you a life-changing price of this popular pre-workout that pro bodybuilders and so many others enjoy!
"Haha THIS Stuff is WILD! Are you ready to MAX out on bench?! Cause this will get you there! Holy! When I tried this I thought I was going to run into a wall. This fueled my entire two hour workout! I only recommend you taking this on days where you’re trying to be an animal in the gym. This stuff slaps! I PR’d on bench for 190 that day and I’m a female. I was stuck at 185 for like three weeks. Highly recommend but use with caution cause I was on a whole other level 😂👌Great product. Dangerous gainz!"
— Briana R
All products are certified 3rd party tested before production
Tons of 5-star reviews along with a loyal fanbase
You want to contact us at 3:00 in the morning? As you wish, we'll be waiting
A strong product! I am used to Pre work outs and can handle most. The Stim-agent hit me like a ton of bricks! I felt like running though a wall haha! If your a first time user be cautious!
—Jason P
The Chocolate Isolate Protein is one of the best. It’s designed and modified to help build muscle and support recovery. I can gladly say that using this product has helped me overall with my health and strength. Each and everyday I am able to see the results I work for and the Chocolate Isolate Protein has definitely helped me reach my goals.
— Alexa M.
This hit me like a ton of bricks! A full scoop made me feel a little jittery which I don't like so I am taking 1/2 scoop and that seems to be the right dose. Really good long energy!
— Scott E
Awesome pre-workout! Can't imagine taking any other pre after trying TMH Stim Agent. Incredible pump even with just 1/2 scoop. Full scoop to activate beast mode!
— Ellis D.
