Signature Amino Plus Energy Signature

Signature Amino Plus Energy , 30 Servings Watermelon Lime

Amino Acids and Caffeine for Energy, Focus, and Recovery*
Use Pre- or Post-Workout
8.3  out of 10  (20 Reviews)
Lowest Price of the Season
Order and automatically receive 35% Off Select Signature Products! Price shown reflects your discount.

Product Overview

Proudly supports first responders & nurses with and Verify Here Signature Amino Plus ENergy

Amino acids help stimulate protein synthesis and reduce protein breakdown.* Our formula provides a serious dose of BCAAs (5 grams!), plus caffeine and electrolytes. Sip this refreshing beverage pre-workout to fuel your training, post-workout to speed muscle recovery, or anytime your day could use some energy.* Signature Amino Plus ENergy tub

2:1:1 Branched-Chain Amino Acids (BCAAs)

Made up of three essential amino acids — leucine, isoleucine, and valine — BCAAs promote growth and recovery.* A 2:1:1 ratio delivers more muscle-building leucine.*

Green Tea

Supplementing with caffeine has been shown to increase focus and improve workout performance. This natural caffeine source also contains metabolism-boosting EGCG.*


Electrolytes replenish your hydration stores, which helps support muscle function during your workout and prime your body for the next round.*

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.*


L-Arginine 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 nutrients to muscles.*


This amino acid can help reduce muscle fatigue during exercise.* Athlete

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 Amino Plus Energy
Overall Rating
20 Ratings
Verified Buyer Rating
14 Ratings
Average Flavor Rating
3 Flavors
Top Rated Flavor
Tropical Pineapple
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.
Mar 08, 2020

Great product. Great value. Taste is ok. Not the best but worth the money!

Mar 04, 2020

First time trying this brand. I usually use the ON brand or Amino Lean. I used 1 scoop in my 24 oz water container. Oh was hellllla sweet with a weird after taste. I drank a little bit and had to add more water, which didn't help. I'm thinking maybe a half of a scoop next time. I like sweet, but one full scoop for 24 oz of water, was too sweet still.

Feb 17, 2020
Verified Buyer

‘Tart’ is a gross understatement...I miss my usual EVL BCAAs açaí berry...seems to be just as effective for less $$, however...

Nov 10, 2019
Verified Buyer

Absolutely favourite Amino product ever. Best tasting, best energy effect. Completely replaced coffee and energy drinks with this and it's better by far. Great for people on shift work. Used to use BSN AminoX or Cellucor Beta BCAAs, I like this way more

Sep 21, 2019
Verified Buyer

This was great as preworkout. I can't stand caffeine because I get dizzy and lightheaded, but I had none of those problems with this product. I had very good results after the first 3 days using it, my legs look better than ever, this aids a lot with muscle growth, I wasn't expecting that.The taste is incredibly good.

Sep 06, 2019
  • 8 Watermelon Lime

These all taste good, and are just enough caffeine for those 5am morning workouts. I can't handle a full pre-workout so this is perfect for me.

Aug 24, 2019
Verified Buyer
  • 2 Watermelon Lime

Honestly, these dont taste the greatest.

Aug 02, 2019
Verified Buyer

Tropical Pineapple has a little bit too tart of a pineapple taste for me. But if you like pineapple then the test is on point, I'm just not a big fan of pineapple. Besides that, I use this everyday as a morning wakeup drink instead of coffee, as well as an afternoon refresher and it gets my tired butt motivated without making me feel wired at all. Perfect blend of ingredients. I'm going to try a different flavor next time though.

May 16, 2019
Verified Buyer

Good energy. Missing some of things I get from other products like vitaminc. Pineapple tastes like pinapple juice. Blueberry lemomade is one of the worst tasting supplements of all time. Chemicals

May 04, 2019
Verified Buyer

Very good product for a very low price! Used to buy other brand but when i saw this one... Had to try it! Not disappointed 💪

Apr 30, 2019
Verified Buyer
  • 9 Watermelon Lime
Apr 15, 2019

I used this product after a long drive home to pump me up for my last training session of the week. This thing got me through with one scoop and the recommended 10 ounces of cold water. Flavor is super in your face with two scoops though. I usually water it down throughout my sessions. I like this product.

Apr 04, 2019

Solid for use as a pre-workout and as a refresher in between sets. Good flavor. Would like a little more caffeine, but I can get it in other ways.

Mar 31, 2019

I like this stuff. Only 100 mg caffeine and most of the pre-workout stuff i look for. If I need more caffeine on a particular day I'd just pop an espresso or two extra and good to go. Pineapple was pretty tasty. Overall satisfied with the product.

Jan 09, 2019
Verified Buyer

Best dosed bcaa 3g of leucine is u heard of...electrolytes and caffeine you can use this as a potent preworkout if you wanted

1 Size
30 Servings
Choose a Size
{{group.violatorText}} {{}}
1 Flavor
Watermelon Lime
Choose a Flavor
Flavor Rating: {{sku.flavorRating | flavorRating}}
Lowest Price - Save 35%
Was:  $17.99
Was:  {{}}
Price: $11.69  ($0.39 / Serving)
Flavor Rating: 6.8
Use Pre- or Post-Workout

What's in Signature Signature Amino Plus Energy

30 Servings Watermelon Lime
Serving Size: 1 scoop (10g)
Servings Per Container: About 30
Amount Per Serving % Daily Value
Calcium (as calcium chloride) 25 mg 3%
Magnesium (as magnesium oxide) 27 mg 7%
Chloride (as sodium and calcium chloride) 208 mg 6%
Sodium (as sodium chloride) 105 mg 4%
Potassium (as potassium citrate) 130 mg 4%
Valine 1 g
Isoleucine 1 g
Leucine 3 g
Arginine 500 mg
Caffeine (from caffeine anhydrous and green tea extract) 100 mg
CarnoSyn® Beta-Alanine 750 mg
Taurine 500 mg
Green Tea Extract (50% Catechins 25-30 EGCG 12-15% Caffeine) 100 mg
† Daily Value not established
Other Ingredients:
Citric Acid, Malic Acid, Natural and Artificial Flavor, Sunflower Lecithin, Acesulfame Potassium, Sucralose, FD&C Red No. 40.
Processed in a facility that also processes milk, soy, and egg.

Directions For Signature Amino Plus Energy: Shake well before each use. Add 1 scoop to 10 ounces of cold water and mix thoroughly. Sip this refreshing beverage pre-workout to fuel your training, post-workout to speed muscle recovery, or anytime you could use some energy.*

Warnings: Some individuals may experience a harmless tingling sensation that is caused by beta-alanine. Consult your physician before using this product. Not for use by those under the age of 18 or by women who are pregnant, trying to become pregnant, or nursing, or those who are sensitive to caffeine. Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and rapid heartbeat. Do not exceed 4 servings within a 24-hour period.

* 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.