Beta-Alanine Powder
Optimum Nutrition

Beta-Alanine Powder

Fight Fatigue!*
The Bigger Picture Of Muscle Stamina!*
9.4 out of 10 (63 Reviews)
1 Size
75 Servings
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2 Flavors
Fruit Fusion
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Competitor Price: $24.74
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Our Price: $20.99 ($0.28 / Serving)
Flavor Rating: 9.5

Product Overview

During exercise, and especially high-intensity training, glucose and glycogen are broken down for energy. In the process, hydrogen ions (H+) are also produced within the muscles. H+ accumulation causes the muscles to become more acidic and ultimately leads to fatigue. Packed with Beta-Alanine, Histidine, and Phosphates, our Threshold formula is designed to help boost your intramuscular buffering system so that you can train harder, longer.*

Beyond The Basics

  • 1.6 grams of Beta Alanine
  • 550 mg of L-Histidine
  • 4 Mineral Electrolytes
  • Supports Carnosine Synthesis*

Behind Optimum with Jennifer Delgado

For NPC Figure competitor Jen Delgado, intense training is everything. Learn why no one should fear lifting weights, how to train for explosive results, and check out Jen's first-rate, fully-loaded supplement stack. It's ON.

Video Length | 3:38

Ratings & Reviews

Overall Rating
63 Ratings
Verified Buyer Rating
39 Ratings
Average Flavor Rating
2 Flavors
Top Rated Flavor
Fruit Fusion
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.
Verified Buyer
  • 10 Fruit Fusion

This beta-alanine product from ON works great! I'm use to beta-alanine from pre-workouts, so I usually take 2-3 scoops of this stacked with ON's creatine and glutamine before I workout. This product does work great, and definitely gets me through a long/heavy lifting session. I will continue to buy this product and might try the unflavored so I can mix more into the stack.


Mixes well. Does what it is supposed to do!

Verified Buyer
  • 8 Unflavored

OMG power kick . great product

Verified Buyer
  • 3 Unflavored

To start this off I absolutely love Optimum Nutritions products. They have never done me wrong when it comes to bettering myself in the gym. Ok so what we are talking about it the ON Unflavored Beta Alanine Powder. This stuff is absolutely amazing in terms of energy and increased endurance when it comes to heavier lifting. The only set back I had with this was stomaching the stuff. No matter what I mixed it with it had a slightly odd texture that just doesn't go down easily. My tolerance is pretty high so I would use two scoops instead of the recommended one. You will get the pins and needles feelings (This feeling for me usually starts in my hands and ears then goes into my upper back), but I do enjoy the feeling. Definitely gave me a better pump due to being able to lift longer. I usually only use the beta alanine powder on days i'm working upper body because that win it works the best for ME. I would recommend however taking it a bit sooner than 30 minutes before your workout, maybe 15-20. Overall highly good product with a modest price especially ordering on here, but will be trying out the flavored version to see if it goes down any better.

Verified Buyer
  • 9 Unflavored

This is exactly what I want beta-alanine as Carnosyn. Amazing price, simple and effective. The only drawback is slight bitter taste if you mix just with water but if you mix it with anything even mildly flavored it mixes perfectly and there is no unpleasant taste whatsoever (at least in my opinion). Again I will continue buying my Beta-Alanine from ON because the product is effective and the price is right.

† This price is the retail price for this product found at one or more retail websites in the last 30 days. The price may not include shipping cost, tax, sale or promotional prices, or discounts such as member pricing. Prices may change. verifies this price every 30 days.
75 Servings
75 Servings
$0.28 Per Serving

What's in Optimum Nutrition Beta-Alanine Powder

75 Servings Fruit Fusion
Supplement Facts
Serving Size1Scoop(3.5g)
Servings Per Container75
Amount Per Serving % Daily Value
Calories 5
Total Carbohydrate 1g <1%*
Phosphorus(as Dimagnesium Phosphate, Monosodium Phosphate, Dipotassium Phosphate) 70mg 7%
Magnesium(as Dimagnesium Phosphate) 15mg 4%
Sodium(as Monosodium Phosphate) 20mg 1%
Potassium(as Di-Potassium Phosphate) 55mg 2%
CarnoSyn® Beta-Alanine 1.6g **
L-Histidine 550mg **
* Percent Daily Values are based on a 2,000 calorie diet.
** Daily Value not established.
Other Ingredients
Malic Acid, Natural & Artificial Flavor, Silicon Dioxide, Citric Acid, Beet Powder, Tartaric Acid, Sucralose, Yellow 5 & 6.

Directions For Beta-Alanine Powder: Add 1 scoop of Threshold to a glass or shaker cup filled with 6-8 oz. of cold water or your favorite beverage. Mix or shake thoroughly for 15-20 seconds or until powder is completely dissolved.

Suggested Use: Consume one serving first thing in the morning and a second serving approximately 30 minutes before your workout (or mid-afternoon on non-training days). Tips: The first few times that you use it, threshold may cause a tingling sensation on your skin. With continued use, the intensity of the sensation will decrease or disappear. For best results, use Threshold continuously for at least 8 weeks.

Warnings: Keep out of reach of children. Check with a qualified health care professional before taking this product if you are pregnant or nursing a baby, under 18 years of age, have any known or suspected medical conditions, and/or if you are taking any prescription or OTC medications.

* 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.
Learn more about Beta-Alanine.