Signature Amino Plus Energy Signature

Signature Amino Plus Energy

Amino Acids and Caffeine for Energy, Focus, and Recovery*
Use Pre- or Post-Workout
8.0  out of 10  (35 Reviews)

Product Overview 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

Overall Rating
35 Ratings
Verified Buyer Rating
27 Ratings
Average Flavor Rating
6 Flavors
Top Rated Flavor
Blueberry Lemonade
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.
Apr 15, 2019
  • 8 Blueberry Lemonade

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
  • 9 Blueberry Lemonade

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
  • 8 Tropical Pineapple

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
  • 10 Tropical Pineapple

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

Dec 01, 2018
Verified Buyer
  • 8 Watermelon Lime

The taste has a medicine taste but it does a good job as a pre workout

Oct 14, 2018
Verified Buyer
  • 10 Blueberry Lemonade
Aug 27, 2018
Verified Buyer
  • 8 Watermelon Lime

I’ve had this for a week now and I had about four servings so far. The PROFILE is what you typically see in most Amino supps. A pretty clean label with no surprises. The TASTE was good at 16oz per scoop - the label suggests 10oz per scoop ... that was way to concentrated for me. The MIXABILITY was ok, but lots of foam at 10oz of water. Much better at 16oz, but if you give it a couple minutes it’ll go away anyways. The ENERGY was decent. I drink lots of coffee every day and I have a high Caffeine tolerance, so this didn’t hit me like a potent Pre would ... but then it is not a Pre - look at this as being an energy drink on the weaker side. I was happy with it and will finish the tub shortly.

Aug 27, 2018
Verified Buyer
  • 8 Tropical Pineapple

So far I have only tried the pineapple - thought it was delicious! I used one scoop in 16 to 24 oz of sparkling spring water. (I have a Soda Stream and live on a spring). I am doing the intermittent fasting and this product nips the initial morning hunger in the bud. Gives me all the energy I need for chores and my before work workout.

Jun 24, 2018
Verified Buyer

I liked this product for a "pick me up" during my long days at work. The flavor is good and I can sip while I work. Gives me the extra boost to finish the day before going to the gym.

May 06, 2018

Horrible flavoring. Couldn't even finish the shaker of the sample I tried. Stick with Optimum or EVL bcaa energy!

Apr 28, 2018
Verified Buyer

I love that the product is transparent and provides the ingredients so I know what I'm consuming. The flavor is good. My only criticism would be that I find that with the recommended water it's way too sweet, so I double the water. Works fine for me as I use this throughout the day for an energy boost at work.

Apr 21, 2018
Verified Buyer

Great energy boost to power through a workout. I’ll continue to use but hopefully they fix the flavor. Just chug it and don’t focus on the taste.

Mar 06, 2018
Verified Buyer

This product definitely helped wake me up in the mornings, but the taste was horrible. I have to almost double the amount of water that it calls for, and even after drinking some of it, I continue to add water so it will help with the taste. It's a very bitter, sour taste. Might try the green apple next

Feb 24, 2018
Verified Buyer

Tastes like cough medicine. I was hoping it was similar to Optimum Nutrition's Amino Energy.

Feb 21, 2018
Verified Buyer

This is an awesome product...I use this in the gallon of water I carry around with me...Its like im drinking a juice drink without the sugar but with added protein synthesis hahahahaha

1 Size
30 Servings
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3 Flavors
Blueberry Lemonade
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Price: $17.99  ($0.60 / Serving)
Flavor Rating: 9.8

What's in Signature Signature Amino Plus Energy

30 Servings Blueberry Lemonade
Serving Size: 1 scoop (10g)
Servings Per Container: About 30
Amount Per Serving % Daily Value
Calcium (as calcium chloride) 25 mg 2%
Magnesium (as magnesium oxide) 25 mg 6%
Chloride (as sodium and calcium chloride) 200 mg 9%
Sodium (as sodium chloride) 100 mg 4%
Potassium (as potassium citrate) 100 mg 2%
Leucine 3 g
Isoleucine 1 g
Valine 1 g
CarnoSyn® Beta-Alanine 750 mg
Arginine 500 mg
Taurine 500 mg
Green Tea Extract (50% Catechins 25-30 EGCG 12-15% Caffeine) 100 mg
Caffeine (from caffeine anhydrous and green tea extract) 100 mg
† Daily Value not established
Other Ingredients:
Citric Acid, Malic Acid, Natural and Artificial Flavor, Sunflower Lecithin, Acesulfame Potassium, Sucralose, FD&C Blue No. 1.
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.