Animal Stak Review – Can This Supplement Help Your Muscle Growth?

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By Leslie Waterson

Reviewed by Juliana Tamayo, MS, RDN - Last Updated

AnimalStak - Review

Animal Stak is a supplement designed to boost testosterone levels and increase muscle mass, energy, and strength.

Building muscle is essential, especially when you are strength-training and want to look your best. Whether you are bodybuilding professionally or want to look ripped, the most crucial aspect of achieving this goal is ensuring your muscles are actually growing rather than fatty tissue.

Diet and exercise are two of the pillars of making this happen. However, they might not be enough. This means finding the right anabolic supplement that will promote muscle growth and give you those results quickly and safely is essential.

The question is this: is there anything safe? Steroids have been useful to those who want rapid muscle growth, but healthwise the effects have been adverse. So why go through all that trouble? 

That’s where Animal Stak comes in. With Animal Stak, you get a good combination of compounds, vitamins, minerals, herbs, and amino acids that are crucial to muscle growth. Not only that, these ingredients are safer than what you’d find in typical anabolic steroids (which are not only illegal but also dangerous). 

Today’s review of Animal Stak zooms in on its ingredients, benefits, side effects, cost, performance, and where to purchase it. We’ll tell you our thoughts on this supplement and if it can help you sculpt the body you’ve wanted for so long.

Keep reading to find out more!

animal stak review

About Animal Stak

Animal Stak is an anabolic hormone stack supplement that contains herbs, vitamins, minerals, and amino acids. It contains compounds created from cutting-edge formulas that are designed to give you the muscle growth that you need to look more ripped than ever before.

It’s a supplement relied on by bodybuilders and powerlifters who want superior muscle growth and the strength to match it.

Animal Stak is designed to boost your testosterone levels since it is essential to muscle growth and strength. Plus, your performance at the gym will increase considerably. If you intend to look great while training to gain insane strength, this could be a supplement you should consider using. 

What Is Animal Stak

Who Makes Animal Stak?

Animal Stak was a brand created in 1983. Its parent company Universal Nutrition was founded in 1977 in Linden, New Jersey. Today, the company’s headquarters are in New Brunswick, New Jersey.

Since its inception, Animal Stak became a brand known for its anabolic supplements that provided a safe alternative to steroids. Aside from the anabolic stack they create, they also make different products tailored to their user’s fitness and dietary needs.

These include but are not limited to protein bars, whey protein, pre-workout, post-workout, amino acids, and more. Today, they have gained a more positive reputation among bodybuilders and powerlifters (both amateur and professional).

Animal Pak Logo

Animal Stak Benefits

Animal Stak contains ingredients that have various benefits, including increased muscle mass, testosterone, and growth hormone levels.

Below is a list of advantages of taking Animal Stak.

  • Promotes amino acid uptake in muscles
  • Plenty of vitamins, minerals, and amino acids that are essential for muscle growth
  • Increases your strength
  • Gives you an energy boost throughout the day
  • Little to no fatigue even after working out
  • Enhances testosterone levels


  • May cause irritability
  • Some of the ingredients included may be pointless to your fitness goals
  • Acne breakouts can occur

Animal Stak Ingredients

Animal Stak contains five proprietary blends that include the following ingredients:

  • Pro Testosterone Complex to boost natural testosterone production This blend contains Tribulus Terrestris Extract, Eurycoma longifolia Extract, Fenugreek Seed, Stinging Nettle Root, Maca Root Extract
  • Growth Hormone Support to boost natural growth hormone levels for improved muscle building. This blend contains Arginine Hcl, L-Lysine Hcl, L-Glutamine, Gamma Oryzanol, Alpha GPC.
  • Aromatase Combating Complex to provent conversion (aromatization) of testosterone to estrogen. This blend contains Polygonum Cuspidatum Root Extract, Calcium D-Glutarate, Diindolylmethane (DIM)
  • Hormone Amplifying Blend to support enhanced testosterone and growth hormone levels. This blend contains L-Carnitine Fumarate, Agmatine Sulfate, Quercetin, Astaxanthin, Piper Nigrum Extract.
  • Restorative Support Complex to help maintain healthy internal organs for proper function. This blend contains Milk Thistle Extract, Astragalus, Ashwagandha Extract, Na-R-Alpha Lipoic acid, Coenzyme Q10. 

Other ingredients include Vitamin D, Vitamin B6, Magnesium, Zinc, Gelatin, silicon dioxide, magnesium stearate, dicalcium phosphate, stearic acid, titanium dioxide, FD&C Blue 1, and FD&C Yellow 5 and 6.

Please note that Animal Stak is manufactured at a facility that processes soy, milk, shellfish, fish, peanuts, tree nuts, and wheat. If you have any of these food allergies, you may want to err on the side of caution and consider an alternative. 

animal stak supplement facts

How Does Animal Stak Work?

Animal Stak is designed to boost testosterone levels, so it plays a role in overall muscle growth. It is intended to give you the energy boost you need for you to power through your most intense workouts. This leads to increased strength and keeps you on top of your game physically and mentally throughout all of your training days (and even off days). 

You’ll need to take one pack of Animal Stak daily for 21 consecutive days. Each pack contains capsules that are essential to your muscle growth. On training days, you’ll need to take each pack 30-45 minutes before your workouts. On a non-training day, take one pack before bed.

For best results, it’s highly recommended to take a pack daily for three consecutive weeks (21 days) and then take the week off afterward. Animal Stak’s manufacturer also suggests it’s best taken by people 25 years or older.

If you intend to get rid of fat, you can take Animal Stak with a fat burner. Be sure to allow up to 4 hours before taking your Stak for the day. 

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Animal Stak Safety & Side Effects

While there are safety and side effects concerns for almost every supplement on the market, it’s essential to know what they are. To begin, it should be noted that Animal Stak should be used by persons who are 25 years of age or older. If you are under the age of 25, please consult a doctor before using Animal Stak, as it may cause adverse health effects. 

Side effects of Animal Stak include diarrhea, acne, insomnia, erection issues, irritability, restlessness, nausea, heartburn, upset stomach, vomiting, and sweating. Some of these side effects may be associated with specific ingredients like Stinging Nettle Root and L-Carnitine Fumarate.

Also, note that Animal Stak contains artificial colors and dyes.

Where To Buy Animal Stak

You can purchase Animal Stak on the official Animal website here.

Animal Stak comes in a container of 21 packs for $43.95. They also offer a subscription option which will save you 10%, bringing the price down to $39.55 per container.

animal stal where to buy price

Animal Stak Review: Final Thoughts

Animal Stak may be worth it if you want to build muscle and strength. It doesn’t matter if you are looking to gain strength and muscle for the sake of doing so or if you power lift, Animal Stak might be one of the most reliable anabolic supplements on the market that will prove itself to be a lot more effective compared to steroids. 

However, other options on the market might give you similar results and don’t contain artificial additives like food dyes. We advise that you make the choice that’s best for you. However, if you don’t mind the inclusion of artificial additives, Animal Stak might be worth a try.

Overall Rating:
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Leslie Waterson

Leslie has been passionately involved in the health and fitness industries for over a decade. She is constantly reviewing the latest scientific research and studies in order to take a research-backed approach to lifestyle optimization. Her main areas of interest include nutrition and supplementation. Leslie shares her findings on Fitness Clone to help other health enthusiasts choose the products and routines that will help them achieve their goals.