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💥 Unlock your anabolic edge — because gains wait for no one!
Animal M-Stak is a premium, non-hormonal muscle builder designed for hard gainers and elite athletes. Delivered in 21 pre-measured daily packs, it enhances nutrient partitioning and nitrogen retention to maximize muscle growth and workout results. Trusted for over 40 years, this GMP-certified supplement combines six powerful complexes to boost energy, reduce stress, and prevent muscle breakdown, helping users achieve noticeable strength and size gains within 21 days.










| ASIN | B000GONZZC |
| Age Range Description | Adult |
| Best Sellers Rank | #18,412 in Health & Household ( See Top 100 in Health & Household ) #12 in Sports Nutrition Weight Gainers #1,554 in Sales & Deals |
| Brand | Animal |
| Brand Name | Animal |
| Color | Pills |
| Container Type | Packet |
| Customer Reviews | 4.5 out of 5 stars 969 Reviews |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00039442030283 |
| Item Dimensions | 3.99 x 3.99 x 5.6 inches |
| Item Form | Capsule |
| Item Part Number | U3028 |
| Item Weight | 1 Grams |
| Manufacturer | Universal Nutrition |
| Manufacturer Part Number | U3028 |
| Material Features | Natural |
| Model Name | Animal M-Stak |
| Model Number | U3028 |
| Number of Items | 1 |
| Primary Supplement Type | Magnesium |
| Product Benefits | Muscle Growth |
| Total Servings Per Container | 21.0 |
| UPC | 039442030283 |
| Unit Count | 21 Count |
D**A
Effective Muscle Building Supplement for Hard Gainers
I recently started using Animal M-Stak, and I am very impressed with the results. As a hard gainer, finding a supplement that effectively supports muscle growth without hormonal components has been challenging, but Animal M-Stak has proven to be a game-changer. First and foremost, the formulation of Animal M-Stak is impressive. The non-hormonal blend is ideal for those of us who want to avoid hormonal supplements but still need a potent formula to help build muscle. The inclusion of the energy complex is a significant plus, providing a much-needed boost during intense workouts. I’ve noticed a substantial increase in my endurance and energy levels, allowing me to push harder and longer in the gym. The convenience of the packs is another highlight. Each dose is pre-packaged, making it easy to take without measuring or mixing. I can simply grab a pack and go, which is perfect for my busy lifestyle. The recommended cycle of three weeks on and one week off is easy to follow, and I’ve seen consistent results with this regimen. In terms of muscle growth, Animal M-Stak has delivered noticeable gains. Within a few weeks of starting the supplement, I saw a significant increase in my muscle mass and strength. The recovery time between workouts has also improved, reducing muscle soreness and allowing for more frequent training sessions. This has been particularly beneficial in breaking through plateaus and achieving new personal bests. Another benefit of Animal M-Stak is the lack of negative side effects. I have not experienced any adverse reactions, which is often a concern with muscle-building supplements. The product has been gentle on my stomach, and the natural ingredients give me confidence in its safety and efficacy. While the taste and size of the pills might be a bit daunting for some, I found them manageable. It’s a small trade-off for the impressive results and benefits the supplement provides. Staying well-hydrated and taking the pills with a meal helps with any potential discomfort. In summary, Animal M-Stak is an excellent muscle-building supplement for hard gainers looking for a non-hormonal option. The energy boost, convenience, and noticeable muscle gains make it a standout product. I highly recommend Animal M-Stak to anyone serious about their muscle-building goals and looking for a reliable and effective supplement to support their journey.
J**R
Very satisfied
Mstak is and does everything it says. I have cycled this several times over the years and just finished one recently. Id say the science has improved even better. I dont take the red. My energy level from the rest makes me not want to leave the gym already. Gains are up and strength and stamina are noticeably improved. Im 58yrs old and mstak has really helped move me over that wall ive been fighting for a couple years. Very impressed. After the cycle the energy drops. Good time to work on cardio and wellness. Cycling and yoga to keep the mind in the gym then hit it again after the break. My physique is very much improved. 10 stars
A**T
Great product! Felt a big increase in energy
I began using Universal Nutrition's M-Stak, like most I'm sure, as a skeptic. I'm a young guy that's been lifting pretty consistently for the better part of a year or so. Between the tiresome hours of work and school, my workouts had been getting shorter and I felt I wasn't putting in near as much effort as I could've, or maybe should've been. As a result, I started to plateau. My stats didn't increase much, nor did I get any bigger. I knew there had to be something out there for the guys with a busy schedule! That's when I came across this great product. I thought "Hey, with all of these great reviews, it's worth a shot". For the first week or two on the supplements, I didn't notice much of a difference besides an increase in energy after taking the caffeinated pill. It wasn't until I was 2/3 of the way done with my bottle that I started to notice I was working my way out of my plateau. I started to notice my arms getting bigger, and my stats steadily increasing. I highly recommend this product to all of those who can fit this in their budget, and even those that have to shift priorities to make room in their budget. You won't regret it.
T**S
Great product
I feel great, with this product
D**N
M stak is all that!
Okay guys listen up. I've been training for about 12 years and I consider myself a natural bodybuilder. I started taking this and felt it on the first night I tried it. I didn't work out because I wanted to see how my body would react without getting my heart rate up. I noticed my ankles and wrists started to ache. Which I knew right away meant I was dehydrated. I was about halfway through a month-long workout routine before I felt I wanted to try something to break through any plateaus. So I started integrating it in, with my high carb high protein diet. I'm completely satisfied with the results. I have gained 13 pounds and my muscles are thicker and Fuller in places that have never been before. Specifically my neck shoulders and forearms are rounder thicker and Fuller. But new muscle everywhere. I believe my body fat percentage has gone down at the same time the scale has gone up. I typically walk around between 12 and 13% body fat. It has always been a challenge for me to gain weight even when my diet is dialed in. I have to bust my ass just to put on one pound of solid muscle. Granted I've been killing it in the gym but these pills have definitely help me with new gains. No question about it. I never took the red pill, just because I felt as though I never needed it. My energy levels have been great my appetite has been up, and the best thing about these pills is my sleep quality. I sleep so freaking hard and have some vivid dreams. Seriously I haven't slept this good in a long time. I know some of my weight gain has been water. I've been trying to get about a gallon a day, but that's natural when you're training hard. The only negative is taking all these pills but who really cares when your seeing Gains.right? I can't comment on the red pill because I never took it, but overall I give this product 5 stars. My strength has gone up and my focus in the gym is amazing. I definitely recommend it for someone trying to break a plateau and/or the typical hardgainer
K**H
Works great
I have been lifting and training since I was 14 and am now 36. I have never taken anything beside protein, creatine, and pre workout. I needed a little help breaking through some plateaus due increased working hours and cutting this time of year. I’m done with the first 3 week cycle out which is recommended to do 3, 3 week cycles then a month off. I have noticed a huge difference in recovery time and less fatigue during workouts. I have gained about 1lb of lean muscle maybe more in 3 weeks which if you know after so many years of lifting it gets harder to gain lean mass due to certain physiology of human male bodies and muscle density. I started to stack this with animal craetine as well and further increased results I’m excited to see how much gain after the 3rd cycle. I do recommend this product no side effects at all just increased energy without the red pill and gains. I don’t want to add any non natural hormones to my body (just my preference nothing against anyone who does) and this was a surprisingly good supplement to help. You obviously still have to work hard and put in the effort but Mstack definitely helps.
K**N
**⭐️⭐️⭐️⭐️⭐️ "Unbelievable Results – My New Secret Weapon!"**
I’ve tried numerous sports supplements over the years, but nothing has come close to the impact this one has had on my performance and recovery! Within just a week of using it, I noticed a massive difference in my energy levels and endurance during workouts. It’s like I have a new level of stamina I didn’t even know was possible. What sets this product apart is the clean energy boost without any crashes or jitters. I feel focused, strong, and ready to push my limits in the gym. Recovery has also been much faster – no more waking up sore and stiff after an intense session. The taste is fantastic too, which is rare for supplements like these, and it mixes easily with water. I love that it doesn’t have any weird aftertaste or artificial feel to it. If you’re serious about your fitness goals, this is the supplement to add to your routine. I’ve seen a noticeable improvement in both my strength and endurance, and I’m excited to keep progressing with this as my new go-to. Highly recommend!
S**V
5/10
Bad quailty
R**.
They really work
Bought these for my boyfriend. He wanted a natural supplement to enhance is muscle growth. I can't say that this will work for everyone - but combined with exercise and diet, these supplements enhanced his muscles significantly within the span of one month.
K**I
Worth the money
Gave boost and reshape. With good diet
C**A
It works
Used to take the hardcore “Cheater supplements” it’s been years now tried this stuff and it actually does something! Worth the money if you can inhale huge horse pills
I**M
100% credible product
Animal products has been my fav bran of supplements due to the results that it gives. Specially M-Stak show quick results than any other product available in the market.
B**H
Expensive but give results
Great product to gain size faster. Only negative side: personally I did not take the red pill in the pack, it’s too stimulant. It’s the equivalent of 3 cans of monster energy drink (500mg cafeine).
Trustpilot
2 weeks ago
4 days ago