Signature Pre Workout Signature

Signature Pre Workout

Energizes and Delays the Onset of Muscle Fatigue*
Increases Focus and Fuels Athletic Performance*
7.8  out of 10  (218 Reviews)
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Product Overview Signature Pre-Workout

A good pre-workout is much more than a megadose of stimulants: It’s an essential tool for making the most of your training time. Signature Pre-Workout includes proven ingredients that promote intense pumps and growth while battling fatigue, so you can work out harder and longer.* Signature Pre-Workout tub


One of the keys to a great workout is a great pump. The amino acid L-Citrulline contributes to your body’s production of nitric oxide, a vasodilator. When your blood vessels are dilated, your body is better able to circulate oxygen and other performance-maximizing nutrients to working muscles.*


The amino acid L-Leucine is known as a trigger for muscle protein synthesis (aka muscle growth) and a fuel source for your hard-lifting muscles. Your body cannot make L-Leucine, so it must come from supplements or food.*

Carnosyn® Beta-Alanine

Beta-alanine acts as a buffer between fatigue-promoting lactic acid and your muscles by producing carnosine, which keeps lactic acid in check during intense workouts. That means better muscular endurance, more energy for high-intensity or explosive movements, and better overall workout performance.*


Caffeine is one of the most common pre-workout ingredients because it works. Supplementing with caffeine has been shown to increase focus and improve workout performance, allowing you to dig in and get the work done.*

A signature is a promise. A symbol of your identity. Your mark on the world. In 1999, was founded on a single promise: Trust. It’s who we are and it’s in our blood. Our Signature line is built on the same promise. Every product is no-BS, transparent, filler-free, and formulated with effective doses of research-backed ingredients you can trust. We create the highest quality supplements, so you can focus on leaving a mark of your own.


Signature products are formulated with high quality ingredients at effective doses that we’re proud to share with you. We don’t hide anything in a “proprietary blend”, so you always know exactly what you’re putting into your body.


An effective dose is the amount of an ingredient that has been shown to deliver results. Some supplement brands add a sprinkle of an ingredient just so they can say it’s in the product. Signature supplements always include enough to get the job done.


Trendy, flash-in-the-pan ingredients come and go. But time-tested, gym-proven ingredients are what you need to help you achieve your fitness goals. That’s what you’ll find in Signature products because that’s what works.


Ratings & Reviews

Signature Pre Workout
Overall Rating
218 Ratings
Verified Buyer Rating
167 Ratings
Average Flavor Rating
7 Flavors
Top Rated Flavor
Fruit Punch
By clicking the button above, you agree to entering the Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
Dec 02, 2019
  • 9 Tropical Pineapple

I've never had pineapple as a pre-workout flavor, so I was a little skeptical to try it, but it's pretty good. This is a decent pre-workout, it's not over the top, jittery energy, but a mild boost which is what I was looking for. I'd recommend it. I just wish they'd remove the food dye and it'd be a banger.

Nov 27, 2019
Verified Buyer

I wish they skipped the food coloring--makes your stool blue! Otherwise, works okay.

Nov 20, 2019
  • 10 Tropical Pineapple

I rarely write reviews, but I had to for this one. Bought this on sale & so glad I did. It’s a large scoop (14g), but a very fine powder & mixes smoothly. Great consistency and the pineapple flavor has a great taste. Not bitter and the perfect amount of sweet. Also, a great mix of ingredients and nothing you don’t need. My new favorite pre, for sure.

Nov 16, 2019
  • 6 Fruit Punch

I’ve been very happy with all of the supplements I’ve used in the past. This one, unfortunately, is the worst tasting I’ve ever had. Does get the job done though. I will not buy this flavor again.

Nov 16, 2019
Verified Buyer
  • 5 Blue Raspberry

Taste is not the best I've had.however gives good energy,focus,pumps.makes you a little tingley but that's normal

Nov 05, 2019
Verified Buyer
  • 1 Cherry Limeade


Nov 04, 2019
Verified Buyer
  • 1 Cherry Limeade

Cherry Limeade is easily a 1/10 for flavor, but if you can stomach it, it's a decent pre workout. That being said, Blue Raspberry tastes the best and helps boost you through those heavy lifts.

Nov 03, 2019
Verified Buyer
  • 1 Blue Raspberry

If you have ever tried a bad knock off of NyQuil you will have somewhat of an idea how bad this flavor tastes. Tried it twice and could not get it all down either time. No idea if the product works at intended as I could not get that far with it.

Nov 02, 2019
Verified Buyer
  • 1 Cherry Limeade

very weak, buy a different product because you will not be happy

Oct 29, 2019
Verified Buyer
  • 1 Cherry Limeade

First let’s talks about the flavor. My goodness this is the worst flavor out of any supplement I’ve ever used. I’ve used supplements for over 10 years now so that just explains how bad this cherry limeade tastes. I’ve had a different brand of cherry limeade and I can drink it all day long but definitely almost threw this one up. Very hard to chug it. The product itself worked as it should however. I felt energized and not very fatigued. For the price it seemed like a good buy but I’m not sure I can even drink it a second time... yikes.

Oct 29, 2019
Verified Buyer
  • 1 Cherry Limeade

It’s a preworkout that gets the job done. Nothing special. Not sure about the other flavors, but the cherry limeade flavor tastes like spicy garbage.

Oct 24, 2019
Verified Buyer
  • 8 Tropical Pineapple
  • 7 Fruit Punch

I had pineapple first worked pretty decent especially for the price however I've taken the fruit punch about 3 times now and 2 of 3 times I had to throw up about 45 minutes after taking it.

Oct 22, 2019
  • 1 Cherry Limeade

It's caffeine, it works fine for what it is. The Cherry Limeade though is TERRIBLE. I have tried maybe 10 different pre-workout drinks and, while most taste over sweetened/obviously synthetic, they are still drinkable. This is really not drinkable. Fine going down so I can drink a serving in one gulp, ridiculous after taste though. Like some cough syrup or something.

Oct 17, 2019
Verified Buyer
  • 8 Cherry Limeade

This is a great product, really gets you moving, will help you through your workout and will help you heal. However, the taste is just awful. It’s worse than cherry NyQuil. Still worth choking it down though. Also, it’s got a lot of cinnamon bark in it or something so it makes my face tingle a lot for the first 25 minutes. But I like that.

Oct 08, 2019
Verified Buyer

Petty good stuff!

1 Size
30 Servings
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5 Flavors
Blue Raspberry
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Flavor Rating: {{sku.flavorRating | flavorRating}}
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Was:  $27.99
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Price: $22.39  ($0.75 / Serving)
Flavor Rating: 7.6

What's in Signature Signature Pre Workout

Serving Size 14g
Servings Per Container30
Amount Per Serving % Daily Value
Potassium (as potassium chloride) 100 mg 3%
Calcium (as calcium chloride) 25 mg 3%
Magnesium (as magnesium oxide) 50 mg 13%
Chloride (as Potassium, Sodium and Calcium Chloride) 145 mg 4%
L-Citrulline 5 g
L-Leucine 3 g
Carnosyn® Beta-Alanine 1.5 g
Taurine 1 g
Caffeine Anhydrous 200 mg
† Daily Value not established
Other Ingredients:
Citric Acid, Malic Acid, Natural and Artificial Flavor, Acesulfame Potassium, Sucralose, FD&C Blue No. 1

Directions For Signature Pre Workout: As a dietary supplement, mix 1 level scoop of Signature Preworkout in 8oz. of water. Drink 30 minutes before workout.

Warnings: Consult your physician before using this product if you're taking any medications or are under a physician's care for a medical condition. Not for use for those under the age of 18 or women that are pregnant, trying to get pregnant or nursing. Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat. Do not combine with alcohol. Consume as part of a healthy diet and exercise program, and drink at least 6-8 glasses of water per day, exercising may increase the need for extra fluids. This product contains 200mg of caffeine a serving. This product is not intended/recommended for children and those sensitive to caffeine. Those with a medical condition and those taking medication should consult a healthcare professional before use. Do not exceed recommended dose.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.