This is another waste of a nutrient partitioning product. I tried this once 2 years ago and had zero results and I recently tried it again with zero results.
I love all of Animals other products, this simply just does not work for me.
I gave it a 5 for effectiveness because the caffeine in the M-stak was noticeable but aside from that I did not lean out at all and there were no strength gains to make a note of.
Ill stick with regular Animal Stak if I want to see some real gains in size and muscle.

effectiveness 8: i took this product during a small bulking phase to get better use out of my food and better workouts. i found that my appetite increased, while some how getting leaner and still lfting heavy. so decided to up my calories and put on a good 2-4 pounds.

value 6: 24 packs in one container is not enough. they should at least double the packs in side.

not much to say about this product but if your following a good diet and training program it can help enhance your results naturally a little. was a good change.

Okay what can I say I'm a sucker for the Universal/Animal product line, I think the little packs are cute (no homo) and convenient. In all seriousness fellas Animal M-Stak delivers.

So I decided I would add M-Stak to my pre contest cut because I was cutting weight at an alarming rate. I began to wonder if some of the weight I was cutting was a little muscle. After doing some research I decided M-Stak would be perfect in making sure that all my daily macros were utilized the way they were meant to be used.

So whats the science behind M-Stak? Well the way M-Stak works it uses two key ingredients Beta-Ecdysterone and Methoxyisoflavone wich are flavones. Flavones have the ability to shuttle nutrients toward lean mass accumulation, a process known as nutrient partitioning, anabolic flavones promote enhanced protein synthesis and nitrogen retention. These are the mechanisms most crucial in the process of new muscle growth.

Dosing:8/10
It is recommended to take M-Stak for 21 consecutive days. On training days you should take 1 pack 45 minutes before training on non training days you take 1 pack in the early morning or afternoon. Me I opted to take my packs every morning upon awaking because I wanted every meal I consumed that day to be properly utilized. Also M-Stak contains a red stim pill that delivers a punch so it was great to help kick start my mornings.

Effectiveness:8/10
When I began taking this I was 165lbs 7% body fat after 21 days my stats were 164lbs 5% body fat. I know it sounds farfetched but M-Stak delivered in the department I wanted it most preserving my hard earned muscle tissue. M-Stak totally failed for me as far as increasing my strength in the gym I didnt notice a change at all in the gym wich I suppose is good seeing how I am on a calorie deficit.

Value:6/10
While yes this product did deliver for me the value in my opinion takes a hit. I say this because 1 can contains only a 21 day supply and I feel like Universal/Animal could of stop being a bunch of tight a**es and hooked a brother up with a 30 day supply.
Any how if your considering buying this product you can find it for around $35.00 wich equates to roughly $1.65 a day.

Overall:7/10
M-Stak is a product that no matter what your goals are you cant go wrong and here is why, If your bulking all of the excess calories you are consuming will be properly utilized to make you anabolic and not not stored as fat also it helps on a bulk because it truly does make you hungry. If your goal is to cut M-Stak will maximize all the calories you consume and use them to preserve lean mass gains. So although I'm a little butt hurt about the value I recommend everyone give M-Stak a run because It works and can be tailored to any body composition goal you have.

Ok, I took this right before my can of animal test (which i liked a little more) and it didn't really do didly squat. Its one of those "nutrient repartitioning" supplements that promote shuttling calories to the proper place while working out and recovering.

I didn't notice anything at all unless I left red pill in. I don't like a sketchy pill stimulant much so I usually removed it from the pack.

In my opinion you are much better off just buying digestive enzymes, a good test booster, and a preworkout for energy.

-viking regards

Although I absolutely LOVE universal nutrition, this product didn't do it big for me. This product promotes nutrient repartitioning and has "digestive enzymes" that are marketed towards helping increase protein synehtesis. I didn't really get anything out of it besides great workouts from the stimulant red pill.

Value was not terrible, it was 21 days for like 28 bucks so I am not going to complain there.

I would stick to animal test and buy some digestive enzymes. Red pill alone should be a product because it is pretty damn potent

Animal M Stak made me stronger and I especially noticed it in the amount of weight and reps I increased on the bench press. It also gave me more endurance. I was stronger and felt strong.

The bad thing is that my strength gains disappeared after one week.

I will try it again and see what happens. I was surprised by how much it made me stronger. It got me over a plateau while on it, but like I said, my strength went away

Hey guys this is my first reveiw so il see what i can do!
After a long plateau when i turned 21 i got fed up with the typical whey protien and a pre workout so i decided to try something new. I just finished my second can of M-STAK with ACG3 and i am pretty impressed. While i was using this product I decided to lower my reps and up my weight. I started doing 3 sets of 5 instead of 3 sets of 8-10. I did that for the purpose of trying to bulk, and i did my sets at 275 while on this. I know its not much but here are my measurements before and after the cycles, i know the results arent stunning but i was happy with what i got.
Weight: 200lbs (before), 204lbs (after)
Arms: 16.5 in. (before), 16.75 (after)
Waist: 30 inches (before), just under 30 (after)
Overall i was happy but i just wish there were more packs for 45$ a can. Yes i am aware that some of the weight i put on could have been water weight, but i definately saw some gains. Once again this is my first reveiw and i am always open to comments/critique!

26 bucks for 21 day supply isn't a bad price.

Effectiveness 8/10
I am only giving this an 8 because of the red pill. The red pill GETS ME GOING!!! This was not effective in the sense that it made me gain muscle. The red pill is such a great stimulant that it gave me some of the best workouts of my life.

Ingredients: A bunch of bioflavones and "Adaptogens" that I really didn't feel a whole lot

If anything, I felt like I adapted worse on this product because I COULDN'T SLEEP!!

Overall 6/10
It is marketed towards making your absorb nutrients more and staying in an anabolic state but I didn't really make any gains at all. I would love to buy the red pill seperate to take on workout days.

Id probably give this product an 8. Was hoping to get a little more out of it from all of the stuff that i read online about it, but my diet isnt exactly where i want it to be either. I took this product hoping it would help to increase my appetite, and it didnt lol.
The energy i got out of this product was actually pretty solid though. Workouts were a little bit better but nothing crazy. First time you take DO NOT take a pre workout with it. The red pill is plenty.
My muscles did though feel a little bit harder while i was on it. I was a little more vascular and i had that pumped look all the time, which felt good. Reading online i saw that people were getting angry on it. This didnt really happen to me. Im usually a very calm relaxed person so i guess you could say this stuff made me "normal". It didnt make me angry, but when i got mad i was ready to throw down. I actually noticed the week after i got off of it i was a little bit more irritable than when i was on it, which i thought was weird. One thing i did like about this product was the strength gains. The gains werent huge but hey, any product that can add 10lbs to my bench is good in my book.
I did break out with a few pimples on my face when i first started the can. But that went away after the first week. And acne runs in my family so i was really surprised by that.
All in all though it was a decent product. Deffinately worth trying out if you have the money, just try to eat alot. I would buy it online though. I work at a GNC and even with my employee discount its still cheaper online. Might try animal stak next.

Far by one o the best products from animal.
Used this with animal cuts in my cutting phase.
The 26 pills I was taking a day wasn't the funnest thing but I got used to it quickly!
I managed to put on really decent muscle in the 3 week cycle whilst maintaining to lose body fat.
It will make you hungry especially after having them in the afternoon and training 2 hours after.
Good for the hard gainer!!
Thumbs up universal yet again!!