Features
- Animal Stak is developed for the bodybuilder and elite strength athlete that is looking to break through plateaus and personal records. You train hard, you eat right, so why take a chance on the supplements you use?
- Animal Stak contains 5 unique complexes that are designed to naturally enhance output of testosterone and GH. Not only does Stak increase good hormones, but it helps block the bad (estrogen) with ingredients like resveratrol. Your cut rate test booster doesn’t do that, and that puts your gains at risk.
- Animal Stak is dosed conveniently in our signature packs. Animal takes the guess work out of supplementation and adds the convenience of individual packs that you can grab and go. No more messing around with scoops and powders, take your packs and go.
- Take one pack daily for 3 weeks straight. On training days, take it 30 minutes before your workout, on non-training days take it on an empty stomach between meals. Easy, convenient, effective. After 3 straight weeks of use, cycle off for 1 week before starting another round of Stak.
- Animal has been trusted by professional athletes around the world for over 30 years. When you need to achieve your highest standards, don’t leave anything to chance. Take what the pros take.
Product Images
From the manufacturer

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Push Your LimitsWork until you can’t go any further, and then go some more. Around here, we put our hands together for big lifts and powerful physiques but we especially value those with the metal fortitude to stay on the path. That discipline is what separates winners and losers. |
Get JackedYou gotta get yourself in an environment to grow substantial mass. Animal Stak is going to take your natural testosterone and growth hormone and push it up. When you take these to the limit, you take your training to the limit. One pack slammed before the workout. |
The Proof is in the PuddingWhen you see those PR’s go up and that shirt fitting extra snug, you know you’re on the right path. There’s no feeling greater than accomplishing what you set out to do. It’s what keeps you hungry and it’s what sets you up for your next milestone. |

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Animal Stak | Animal Pak | Animal Test | Animal Cuts | Animal Omega | Animal Flex | |
What it does | Complete all-around hormone-booster with natural test boosters, GH support, hormone amplifiers and more | Complete, all-in-one training pack, the foundation to any stack. Provides nutritional insurance | Complete testosterone boosting pack for men enhanced with key hypertrophic response complex | Complete fat-burning pack with thermogenic, metabolic, water-shedding, energy support and much more | Complete EFA pack with key sources omega-3 and omega-6 EFA’s for optimizing cardiovascular and overall health | Complete joint support pack with joint construction, joint lubrication and joint support complexes |
Features | Test support with tribulus, fenugreek and more. Hormone amplification. Estrogen lowering abilities | Vitamins, Minerals, Digestive Enzymes, Antioxidants, Liver Support, Amino Acids, Immune Support and more | Complete test stack with a Pro-Androgen Complex to increase free and total testosterone. Arachidonic Acid | All-in-One Fat Burner, thermogenic, metabolic enhancer, diuretic, thyroid support, nootropics, and energy | 10 different sources of omega-3 and omega-6 fatty acids. Supports metabolism and cardiovascular health | Joint construction complex with glucosamine, MSM and chondroitin. Lubricant complex with hyaluronic acid |
Format | All-in-one comprehensive complete hormone support pack for strength athletes | All-in-one comprehensive packs, powder, and grab-and-go stick packs | All-in-one comprehensive testosterone support pack for the dedicated strength athletes | All-in-one comprehensive pack or powder for deep cuts | All-in-one comprehensive pack for omega fatty acids | All-in-one comprehensive pack or powder for healthy joints |
When to take | For hormone boosting cycles. Take 1 pack 30-45 minutes before training, on off days take before bed | Foundational. Take 1 pack daily with any meal. Take 2 packs during intense training periods | 21 days straight Take with last meal before workout, or with any meal on rest days | For cutting cycles. Take 1 pack upon waking and 1 pack 4-6 hours later with a small meal | Foundational. Take 1 pack daily with any meal | Foundational. Take 1 pack daily with any meal |
cGMP/UL Certified | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |

What is Animal? Join the Pack.
What started out as an innovation in nutrition with the invention of the ‘pack’ system for delivering perfectly timed and dosed nutrients for elite strength athletes in 1983 has evolved into an ethos for living.
The Animal lifestyle is dedicated to the proposition of being stronger and better today, than we were yesterday. Everyday, we become a better version of ourselves. Mind, body and soul.
As a company, our mission is simple: to empower people everywhere to live strong and healthy lives, without limit or exception. Now into our fourth decade, we are still hard at work manufacturing the finest nutritional products in the world. And whether it’s our Animal Barbell Clubs, The Cage, our social media or the videos we create, we strive to educate, motivate and inspire you.
I AM ANIMAL
Product description
Animal Stak is the testosterone optimizer with GH support, hormone amplifiers, and restorative support. Take one pack every day for 21 days to complete a cycle of Animal Stak.
Animal Stak has a pro testosterone complex with Tribulus, Fenugreek and more. The root of any hormone booster starts with a solid testosterone boosting complex.
Supported with a GH Complex to help maximize your hormone outputs.
Many hormone complexes stop with hormone production. Animal Stak also has an anti-aromatase complex that helps blocks the conversion of hormones to estrogen.
Paired up with a hormone amplifying blend and restorative support complex, Animal Stak is everything you need in a hormone support supplement.
Animal Stak is formulated to be stacked with Animal foundational supplements like: Animal Pak, Animal Flex, and Animal Whey. Get the most out of your hard work in the gym and take your physique to the next level.