Muscle Pharm Natural Series Pre Workout Review


  • Citrulline shown to enhance muscle pumps
  • Coconut Water Powder keeps you hydrated
  • Great Caffeine dosage (150mg per serving)


  • Citrulline seriously under-dosed at 1g
  • More than 1 caffeine source (increases risk of jitters)
  • Contains proprietary blends (increases risk of side effects)
  • Numerous ineffective ingredients
  • Missing key pre-workout ingredients

See Your Best Options In Our
- Top 3 Pre-Workouts Page -


About The Product

Natural Series Pre-Workout is one of MusclePharms newest supplements for 2017. Its part of their Natural Series of products, which we can get behind as they dont contain any artificial sweeteners or colors - so hopefully the ingredients inside this pre-workout can prove its worth it.

This pre-workout comes at the price of $34.99 for 30 serving containers. In our exclusive peak at this product, we saw the Fresh Cut Watermelon flavor (but were not sure whether there are any other flavors at this point - well keep you updated when we know more here).

Anyway, well tell you a bit about MusclePharm (for those that dont know about this company) - but if you already know, then skip to the ingredients section where well analyze the ingredients in their Natural Series Pre-Workout.

Who are MusclePharm? 

MusclePharm are a USA-based supplements company that were founded in 2010 - headquartered in Denver, Colorado.

Anyway, MusclePharm are one of the most reputable supplements companies out there; we first saw their logo on the shorts of UFC fighters, and its since become a respected brand. For this reason, were expecting big things from this new pre-workout for 2017.

Natural Series Pre-Workout Ingredients Explained

Natural Series Pre-Workout by MusclePharm contains 10 ingredients overall, which is quite a lot for a pre-workout - we prefer to have 5-8 key ingredients thatre proven to work, and more importantly, dosed effectively (to make sure the product actually works).

From first glance, we can see MusclePharm has under-dosed the L-Citrulline, and added some ineffective ingredient such as Betaine and Tart Cherry. Anyway, well expand on this in our in-depth analysis of each ingredient below - but first we have to point out that Natural Series Pre-Workout contains a proprietary blend…


Proprietary blends are mixtures of numerous ingredients thatre only shown to you as 1 quantity. As you can see from the Explosive Energy & Mental Focus AMP Stack on Extreme Edges ingredient list, the overall amount is 1,325mg - but youre not shown the dosages of each ingredient inside such as Beta-Alanine.

This increases your risk of side effects, and also makes it uncertain whether this pre-workout will work. For this reason, we try to avoid any supplement that contains proprietary blends.

Now that youre aware of what proprietary blends are, and why we dont like them, well take you through each ingredient inside MusclePharms pre-workout; to show you how good it really is.


Heres Everything You Need To Know:

Betaine Anhydrous

This is a bad start by MusclePharm. Betaine is one of the worst ingredients you can find in pre-workout supplements for one reason - it doesnt work.

Studies have proven that it doesnt offer any benefits to improve your gym sessions…But it has been consistently reported to cause a strange side effect (fishy odors in your breath and sweat). This side effect isnt worth suffering for, especially when youre getting no positives in return.

For this reason, we believe this to be a useless ingredient in any gym supplement.


L-Citrulline is actually one of our favorite pre-workout ingredients, so good job by MusclePharm here - although we prefer Citrulline Malate (which is L-Citrulline mixed with Malic Acid, which has shown to enhance your strength too).

So whats the main benefit of taking L-Citrulline? Well, countless studies have shown that its able to enhance your muscle pumps in the gym - Arnold Schwarzeneger called The Pump one of the greatest feelings in the world, and this helps your biceps expand even more.

Heres how it works: Citrulline improves your blood flow, which makes more blood rush to your muscles while you lift weights. As you can imagine, this helps your muscles expand and therefore ends up with you benefitting from better muscle pumps (which are proven to enhance your endurance and reduce fatigue).

Tart Cherry 

Were disappointed that MusclePharm has added this into their pre-workout for 2 reasons:

  1. Tart Cherry is believed to promote fat loss (which isnt a direct benefit from taking a pre-workout, thats what fat burner supplements are for).
  2. Its doesnt work.

Simply put, Tart Cherry is one of the biggest gimmicks in the supplements industry, as its been promoted as some kind of miracle fat burning ingredient. But all you need to know, is that no studies show that it delivers any benefits at all - making it a useless ingredient in any supplement.

For this reason, we recommend that you dont trust any supplements containing Tart Cherry.


This is an organic acid containing sulfur, and contrary to popular belief, it isnt bull urine. Anyway, its mistakenly believed to boost energy levels, as its found in numerous energy drinks - but no studies have proven that it offers any raises in energy.

Taurine isnt completely useless though; its shown to help reduce cramping during sporting performances - but this same benefit can be achieved by keeping yourself hydrated (MusclePharm have added Coconut Water Extract in Natural Series Pre-Workout, so were not sure why theyve added Taurine in here too).

Well expand on the benefits of Coconut Water Extract later in this section.


G-4 Tea Energy 

This is the proprietary blend thats part of Natural Series Pre-Workout by MusclePharm. If youve forgotten what these blends are, then read our quick overview in the box at the start of this section - but just remember that no-one knows the exact dosage of each ingredient in this blend.

Not only that, none of the ingredients inside this blend are proven to actually improve your gym sessions (although Green Tea Extract helps to promote fat loss…). Anyway, well quickly analyze each ingredient for you here.

Green Tea Extract 

As weve mentioned, Green Tea Extract has proven to help you shred body fat. Its a key ingredient in fat burner supplements; but its not needed in MusclePharms Natural Series Pre-Workout, as it wont directly improve your gym sessions.

Guarana Seed Extract

This is one of the biggest sources of Caffeine you can find - which isnt always a good thing. Its hard to know the exact dosage of Caffeine in Guarana Seed Extract - which is why we prefer Caffeine Anhydrous.

Basically, consuming large dosages of Caffeine (above 200mg per serving in pre-workouts), can cause jitters. In fact, this is the most common side effect associated with pre-workouts as a result. As Natural Series Pre-Workout also contains PurCaf (another source of Caffeine), this puts you at risk of side effects.

For this reason, we only recommend pre-workouts that contain Caffeine Anhydrous as its only source of stimulant, with dosages under 200mg per serving.

Ginseng Root Extract 

Also known as Panax Ginseng, this has shown to raise testosterone levels - but it wont directly improve your gym sessions when consumed once per day (this is why the best testosterone booster supplements come with serving sizes of 3-4 per day).

For this reason, we dont think Ginseng Root Extract is needed in MusclePharms pre-workout here.

PurCaf (Green Coffee Bean)

This is extracted from Green Coffee Bean and is believed to be the most organic form of Caffeine - but Caffeine Anhydrous has been used for decades without harming people, and its proven to be effective (so theres no need to try and fix something thats not broken here).

As weve mentioned, Caffeine Anhydrous is the most reliable source of Caffeine as its 100% pure - meaning you know the exact dosage youre consuming. With PurCaf, youre not completely sure of the exact Caffeine dosage here, which increases your risk of suffering from jitters.

Not only that, as Natural Series Pre-Workout also contains Guarana Seed Extract, youre already at a high risk of suffering from these side effects anyway. We probably sound like a broken record player, but we only recommend pre-workouts that contain Caffeine Anhydrous as its only source of stimulant, with dosages under 200mg per serving.

Coconut Water Powder 

Coconut Water Powder is a very useful ingredient to have in a pre-workout; its proven to help keep you hydrated throughout your workout, which therefore helps you perform at peak levels consistently.

Heres how it works: Coconut Water contains high amounts of electrolytes that keeps your electrolyte levels balanced - which are also found in sports drinks for this reason. All you need to know, is that Electrolytes help make up for your sweating in the gym (if youre not sweating in the gym, then youre not working hard enough!).

Ultimately, this isnt a key feature of any pre-workout, but it offers benefits without causing side effects.


See Your Best Options In Our
- Top 3 Pre-Workouts Page -

Side Effects

There 2 things that can cause side effects in MusclePharms Natural Series Pre-Workout; the potentially high dosage of Caffeine, and Betaine Anhydrous. As weve mentioned, we only recommend pre-workouts that contain Caffeine Anhydrous as its only source of stimulant, with dosages under 200mg per serving - this will keep you safe from jitters or energy crashes.

Heres the potential side effects from taking Natural Series Pre-Workout: 

  • Jitters (Caffeine dosage over 200mg per serving).
  • Energy Crashes (Caffeine dosage over 200mg per serving).
  • Fishy odors in breath and sweat (Betaine Anhydrous).

Natural Series Pre-Workout Review Conclusion

Were disappointed that MusclePharm only added 1 key pre-workout ingredient in their Natural Series Pre-Workout (L-Citrulline) - and they didnt even dose that correctly!

Not only that; this pre-workout contains 2 of the biggest gimmicks in the supplements industry - Proprietary Blends and Tart Cherry.

If this was a great product, then the $34.99 price would have seemed great. However, for the same price or $5 more, you can get one of our favorite pre-workouts on the market. We recommend to do, instead of wasting your cash and time with Natural Series Pre-Workout.

Muscle Pharm Natural Series Pre Workout Review

Bottom Line

For a supplements company as established as MusclePharm, we were expecting a much better pre-workout than this.

Ultimately, we dont think that this product can compete with the best pre-workouts available right now.

Check Out The Best Pre-Workouts This Year!

Heres the best natural pre-workouts on the market for:

  • Energy Boosts 
  • Enhanced Strength & Endurance 
  • Increased Focus
  • Skin-Splitting Muscle Pumps

Show Me The Full List!


Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.