Animal Stak vs TestoFuel
Home » Animal Stak vs TestoFuel: Which One Gives You Better Results?

Animal Stak vs TestoFuel: Which One Gives You Better Results?

Animal Stak vs TestoFuel: What’s better for testosterone? Which one is safer? Which one will give your workouts, your sex life, your mood, and your life in general a better boost? First, we’ll give you a short summary, after which you can see our team’s full analysis.

[ANIMAL STAK VS TESTOFUEL SUMMARY]: This was the battle of two old-school test boosters. One has kept its formula updated throughout the years to remain the no.1 while the other has fallen behind with its old marketing gimmicks. Can you guess which one is which? We’ll pull down the curtains now – the winner is TestoFuel. It’s got 4 daily servings compared to Animal Stak’s 1, it costs about $15 less, and offers better ingredients in more effective doses. Most importantly, TestoFuel’s manufacturers are completely transparent, showing you everything clearly on the label. Animal Stak, meanwhile, hides many of its ingredients behind proprietary blends, preventing us from assessing the doses for safety and effectiveness.

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Animal Stak vs TestoFuel – The Basics

Animal Stak

Animal Stak is a product that first debuted in 2011. Its formula hasn’t changed much since then, which makes many people wonder if it can keep up with the competition. It still claims to :

  • Boost your test levels
  • Enhance androgen activity
  • Increase energy and libido
  • Maximize workout efficiency & muscle gains

Animal Stak comes in bottles of 21 packs. You’re supposed to take 1 pack per day. This serving schedule is a bit skewed. The effects won’t last very long between the doses.

So how will it work for you? We’ll check below.


If you haven’t heard of TestoFuel, then where have you been living? Under a rock? All jokes aside, TestoFuel really is one of the more old-school T boosters, having been launched in 2012.

It’s been the king of the industry ever since then. It’s got great ingredients, excellent reviews, and is endorsed by pro MMA fighters and the likes of Robby Robinson, former Mr. Universe.

Okay, sounds great. What else should you know? Well, TestoFuel comes with 120 capsules per botttle, and the recommended dose is 1 capsule 4 times per day. Yes, it’s a little annoying and may be hard to remember, but this way of dosing maintains the effects throughout the day.

Official Website:

So, what results can you expect from TestoFuel? We analyze this below.

The Formulas

Animal Stak and TestoFuel’s ingredient formulas are night and day difference.

While Animal Stak is packed with ingredients like a bag full of candy, TestoFuel has 11 best researched testosterone boosters.

The doses are also drastically different. TestoFuel’s formula is fully transparent – meaning you can see every ingredient dose on the label.

Animal Stak, meanwhile, hides its ingredient doses behind proprietary blends. Apart from vitamin D, vitamin B6, magnesium and zinc, the bulk of the ingredients are found in these proprietary blends which are shown as a single dose on the label.

You can see the total dose of the blend but not the individual dose of each ingredient in it. That shows lack of confidence in the product, along with casting some doubts on Animal Test’s safety and effectiveness.

See for yourself:

Animal Stak Ingredients

  • Vitamin D3 (1000IU)
  • Vitamin B6 (10.5mg)
  • Magnesium Oxide (450mg)
  • Zinc Oxide (30mg)
  • Pro Testosterone Complex (1,500mg)
  • Growth Hormone Support (1,500mg)
  • Aromatase Combating Complex (300mg)
  • Hormone Amplifying blend (500mg)
  • Restorative Support Complex (500mg)

We’ve already established that ingredient doses in Animal Stak aren’t shown for the most part. Okay, but what about the ingredients themselves? Do they work? Are they backed by science?

Well, some of them are! For example, vitamin D and magnesium are great testosterone boosters. But while vitamin D is underdosed in Animal Stak, magnesium comes as ‘oxide,’ which is the least absorbable form of the mineral. Meaning, you piss it all straight into the toilet.

Then there are some ineffective and unproven ingredients. For example, the “Aromatase Combating Complex” in Animal Stak contains DIM, which is thought to reduce estrogen levels in the body. But you need to take it at very low doses in order for it to work. We can’t tell how much DIM there is in the “Aromatase Combating Complex” proprietary blend. For all we know, it could be as much as 299mg! Which would be terrible as too much DIM can ironically raise your estrogen levels.

Animal Stak also contains Lipoic Acid and a few other controversial ingredients which should be used prior to talking to your doctor!

TestoFuel Ingredients

  • Vitamin D (5000IU)
  • Vitamin K2 (18mcg)
  • Vitamin B6 (5mg)
  • Magnesium Aspartate (200mg)
  • Zinc Monomethionine & Aspartate (10mg)
  • D-Aspartic Acid (2300mg)
  • Asian Red Panax Ginseng (100mg)
  • Fenugreek Seeds (100mg)
  • Oyster Extract (100mg)

TestoFuel’s formula is much more streamlined. It’s got all the essentials – vitamin D, highly absorbable magnesium, vitamin K2, zinc – without unecessary fluff.

Red Ginseng and Fenugreek are added to help combat the effects of estrogen on the male hormone, along with reducing stress levels. They can also balance your blood sugar levels, helping to prevent unwanted weight gain.

Oyster extract is a rich source of trace minerals that your body needs to make testosterone.

D-Aspartic Acid, on the other hand, directly boosts testosterone production. Its effects put it among the strongest natural testosterone boosters on the market.

Did we mention that doses are within excellent ranges too? Magnesium and zinc come in their highly bioavailable forms, which is completely different from what’s found in Animal Stak.

It’s clear TestoFuel’s formula was made by guys who knew what they were doing. It’s a well-rounded ingredient profile. You can expect it to raise not only your libido, but also your energy levels, mood, confidence, motivation and all the other traits of high testosterone.

Key Takeaway: TestoFuel is the winner of this department. Although Animal Stak has a few decent ingredients, the entire formula is tainted by 5 proprietary blends which prevent us from assessing if this product even works and is safe. Keep in mind that TestoFuel’s effects last throughout the day, while Animal Stak is only taken once per day, making the effects wear off between the doses.

RELATED: The Three Best Testosterone Boosters We Recommend Today

Side Effects – Which Product is Safer?

TestoFuel has 11 ingredients, all clinically backed and within safe dosage ranges. It’s easy to tell if a product is safe or not when you know the ingredients and their doses. This can’t be said for Animal Stak which has hidden these vital facts from us.

Price and Value for Money?

TestoFuel costs $65 per bottle (45€ if buying in Europe). Each bottle gets you 120 capsules. It’s got a 90-day money back guarantee if you aren’t happy with the product. You can also get discounts/free extra bottles of TestoFuel when ordering 2 or more bottles. This also gets you fast free worldwide shipping. Although teetering a bit on the expensive side, its excellent ingredient choice makes TestoFuel great money for value nonetheless. If you can afford it, you will get results.

You can buy TestoFuel by following this link:

Animal Stak costs between $78-$88 per bottle, depending on where you buy it. Each bottle contains 21 packets (servings). This means it lasts 9 days shorter than TestoFuel. It’s more expensive than TestoFuel too, but the quality of its ingredient profile doesn’t quite match its competitor.

Our Conclusion to Animal Stak vs TestoFuel

So that concludes our Animal Stak vs TestoFuel comparison.

Both products enjoy high popularity in the industry. Both have been around for a long time – Animal Stak since 2011, TestoFuel since 2012. However, TestoFuel has been the no.1 rated testosterone booster ever since its debut for a reason. Its formula constantly gets updated according to the advice the manufacturers get from health experts and fitness professionals.

Animal Stak, on the other hand, has great marketing behind it, but not much more. Its formula is inferior to TestoFuel’s in multiple aspects – from the dosages, ingredient quality all the way to transparency.

Animal Stak is the more expensive of the two as well, making it poor value for money overall.

TestoFuel is our winner here! You can buy it on the official website:

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