ACP-105 Review: Dosage, Results, & More (2021 Guide)

Chances are you may have heard of SARMs these days—a specific type of anabolic compound that’s been taking the market by storm lately.

You may or may not have heard of a SARM called ACP-105 however, which is great for building muscle, burning fat, and increasing strength.

In today’s article, we’ll explore the clinical evidence surrounding ACP-105, and talk about the best dosage, results to expect, and much more.

So, sit back, relax, and keep on reading to learn more.

What is ACP-105?

ACP-105 belongs to a class of products known as SARMs, short for selective androgen receptor modulators—the modern body builder’s best friend.

Acadia Pharmaceuticals Inc. initially created ACP 105 as a potential treatment for bone degenerative disorders, like osteoporosis. [R]

Body builders quickly realized that they could use SARMs like ACP-105 for more than just treating bone disorders, however—in fact, using research chemicals such as ACP-105, one can attain supraphysiological gains.

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In short, ACP 105 is a highly anabolic compound which could even be comparable to mild steroids—it’s a powerful muscle building agent, and is phenomenal at helping users cut body fat, while still building muscle at the same time.

ACP 105 Overview

Before we explore the clinical data surrounding this compound, the side effects, studies, and research, we’d first like to offer a brief overview of this compound for anyone just skimming who wants a general idea of this SARM.


  • Increased Strength
  • Rapid Muscle Growth
  • Accelerated Fat Loss
  • Higher Energy Levels
  • …and more


  • More Research Can Be Done
  • Can Cause Headaches & Nausea

Benefits of ACP 105

It’s important to note that there isn’t that much clinical research on ACP-105, although SARMs are still generally considered to be safe. [R]

The clinical research that exists on ACP 105 is very promising, and the anecdotal evidence suggests it’s a potent anabolic, muscle-building compound.

Here are the benefits of the ACP 105 SARM:

  • Increased Strength
  • Rapid Muscle Growth
  • Accelerated Fat Loss
  • Higher Energy Levels
  • …and more

Using a SARM like ACP 105, one can gain the benefits of a mild steroids cycle, with far less side effects—and while your results may vary depending on a number of factors, most users experience the following benefits.

Increased Strength

Many users find that their strength shoots up by around 20-30% after a single cycle of ACP-105, but this will vary depending on your experience in the gym, how long you’ve been lifting, your diet, and your routine.

While there’s very little research on ACP 105, there is ample anecdotal evidence to suggest that it’s relatively anabolic. We know that it has an anabolic to androgenic ratio of 3:1, putting it on par with other research chemicals such as Ostarine.

…and while it certainly won’t give you the strength gains of something like Ligandrol or YK-11, it’s a phenomenal SARM for beginners to try, to get their feet wet, without experiencing too many side effects.

Rapid Muscle Growth

Clearly, one of the reasons that people would consider using this product, would be to gain muscle. Thankfully, this is one of the nice benefits of taking an anabolic compound like ACP 105.

While it isn’t necessary to take a SARM to boost testosterone or increase lean muscle mass, it certainly helps. In fact, many users report putting on 10 pounds of muscle or more after a single cycle of this product.

So, you would get results on par with a SARM like Ostarine or S-4, and if you stack it with other research chemicals, you would get even more benefits. Again, this isn’t necessary, but if you want to know more about stacks we will discuss them down below.

Accelerated Fat Loss

Similar to its counterparts, Ostarine and Andarine, ACP 105 offers users a phenomenal opportunity to lose body fat quite rapidly. In fact, the latest research appears to confirm the fact that this SARM is a powerful fat cutting agent.

Many users report losing upwards of 5-10 pounds of muscle from a single cycle of this SARM, lasting around 8-12 weeks. Some users even choose to do a cycle of 4 weeks, although we recommend 8 weeks as a minimum.

Personally, when I was on ACP-105, I was already fairly lean, but noticed that I started leaning out even more. Even though I wasn’t extremely strict with my diet, and ate at a caloric surplus, ACP 105 sped up my metabolism so fast that I was losing fat while building muscle at the same time.

ACP-105 Results

While ACP-105 certainly isn’t as popular as SARMs like Ligandrol or YK11, it’s still a phenomenal SARM for getting lean muscle mass gains.

In fact, users often compare ACP 105 to another common SARM known as S4 (Andarine), except they note that it doesn’t have as many side effects.

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Users can expect to put on roughly 10-15 pounds from a 3-month (12 week) cycle of ACP 105, if taken at a moderate dosage throughout.

Of course, your results will vary depending on your current health, training experience, diet, nutrition, workout regimen, and much more—but either way, you can definitely expect to get some good results.

Dosage & Cycle Guidelines

man on acp 105

While there is no medically established dosage for this product, thanks to the anecdotal research done by numerous users, we can get a rough idea.

Most users recommend taking 5 mg for your first cycle, but some users have taken as much as 20 mg per day with little to no side effects.

Here are the recommended dosages for ACP-105:

  • Beginner: 5 mg per day
  • Intermediate: 10 mg per day
  • Advanced: 15 mg per day

Again, there is no medically established dosage for this product and for many similar research products and chemicals, but based on anecdotal evidence and user experience, 10 mg is usually the sweet spot.

Bulking & Cutting Stacks

ACP 105 is a great SARM for either bulking and cutting, and while it isn’t as strong as a SARM like RAD 140 or Ligandrol in terms of ability to pack on sheer muscle mass, it’s a great compound to add to any cycle.

ACP 105 can best be compared to a SARM like Ostarine or S-4, due to its mild anabolic capabilities, and ability to help users retain muscle while on a cut, or to avoid gaining fat while on a bulking cycle.

Sample Cutting StackSample Bulking Stack
ACP 105 – 10mg/dayACP 105 – 10mg/day
Ostarine – 25mg/dayLigandrol – 20mg/day
Cardarine – 10mg/dayYK11 – 10mg/day

Due to its versatility as a SARM, ACP 105 can be paired with pretty much anything. As I said, however, it really shines on a cutting stack, due to its mild anabolic properties and ability to help users shred off body fat fast.

ACP 105 Cycle Guidelines

As with all other anabolic compounds, if you want to get the most benefits with the least amount of side effects, it’s highly recommended that you only take it for either 8 weeks or 12 weeks, and then stop for a while.

We highly recommend you read our guide to SARMs PCT, short for “Post Cycle Therapy,” as this is the key to keeping your gains off cycle, and ensuring your natural testosterone production gets back to normal afterwards.

In short, you don’t want to take SARMs for too long, otherwise your body’s natural testosterone production will be shut down for an extended period, and it will be hard to get back up. But, if you do 8-12 week cycles, followed by a post cycle therapy designed to get your testosterone production back up, you’ll be 100% okay.

Where to Buy ACP-105

If you’re looking to buy 99.9% pure ACP 105, we recommend you get it through Science Bio. They’re our go-to vendor for all research chemicals, powders, pills, liquids, and other anabolic products.

We wrote a full Science Bio review if you want to check that out, but in a nutshell, they’re one of the best vendors with the purest SARMs these days.

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If you click here, add some ACP-105 to your cart, and use the code “nanotech,” you’ll save 10% off any and all products in your cart.

We’ve personally bought numerous products from Science Bio, and we’ve found that they’re some of the best on the market right now.

Side Effects

As with most other SARMs, there may be some potential side effects. Thankfully, when taken within the right doses, you can minimize these.

In fact, many users who take SARMs have far less side effects than they do on anabolic steroids such as trenbolone or dianabol—so many users believe that SARMs are a safer, better type of “legal steroids” almost.

Here are the potential ACP 105 side effects:

  • Mild to Moderate Headache
  • Minor Testosterone Suppression

Unfortunately there’s little clinical research on the side effects of ACP-105, but most users don’t report any based on anecdotal experience logs.


In conclusion, ACP-105 is a powerful SARM that is often compared to S4 (Andarine) for its ability to create a lean, shredded physique.

Always be sure to use research chemicals and products with care, since the FDA hasn’t officially approved them for human use (yet). That being said, they are generally considered to be very safe.

If you want to get 10% off your order, just get some ACP-105 from Science Bio and use the code “nanotech” as you’re checking out.

Aside from this, we hope you enjoyed our article and guide to this SARM, and if you have any questions, just leave a comment down below!

Nanotech Project Team

The Nanotech Project team is committed to providing the most accurate and up-to-date information about anabolics, nootropics, and bio-hacking as a whole.

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