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ON Protein Energy

Optimum Nutrition Protein Energy

An Product
Protein Powder With Caffeine From Natural Sources!*
  • 120mg of caffeine from natural sources
  • Contains vitamins B6 and B12
  • Only 100 calories per 2-scoop serving
  • Mixes easily into water using just a spoon
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Buying Options
Product Information

ON Protein Energy

Help Fuel Your Day with Protein Energy!

Your active lifestyle doesn’t leave much time to spare. Now there’s a convenient, take anywhere solution to fuel your day with premium whey protein and caffeine from natural sources. ON’s Protein Energy is ideal first thing in the morning, late in the afternoon or anytime you feel the need for 20 grams of quality protein stacked with 120 mg of caffeinated energy per 2-scoop serving – about as much as a 10oz cup of coffee. Each serving also delivers antioxidant vitamin E along with a blend of B vitamins.*

The powder is instantized to mix easily into water or milk using just a glass and spoon, and the flavor options are something you'll look forward to enjoying throughout the day. Use new Protein Energy as a foundation for creating smoothies or mix it up all by itself. At just 100 calories per 2-scoop serving and only a gram of carbs and sugar, you can use ON’s Protein Energy anytime you need Fuel & Energy!*

A 2-scoop serving provides:

  • 20g Premium Whey Protein
  • 120mg Caffeine from Natural Sources
  • Green Tea Extract
  • Vitamins B6 & B12
  • Antioxidant Vitamin E

The convenient re-sealable zipper bag easily fits in your kitchen cabinet, laptop bag, backpack, or anywhere you need Fuel & Energy throughout your day!*

Reviews
Overall Rating
4.7 out of 5 stars
Reviews (107)
Verified Buyers (102)
Review Graph
  • 5 star
    79%

  • 4 star
    16%

  • 3 star
    4%

  • 2 star
    0%

  • 1 star
    1%

Top Rated Flavors
  • Cinnamon Bun (4.9/5 )
  • Mocha Cappuccino (4.8/5 )
  • Chocolate (4.7/5 )
  • Vanilla Latte (4.4/5 )
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Overall Rating
  • Mocha Cappuccino
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Rocky
Verified Buyer
best taken with breakfast......*
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2020-04-09 12:49:30Z
Overall Rating
  • Chocolate
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Doug G
Verified Buyer
Thank you so much I appreciate you*
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2020-03-13 14:34:04Z
Overall Rating
  • Vanilla Latte
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Hawdcoor
Build Muscle
Verified Buyer
Awesome flavor, really does have that Latte taste. *
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2020-03-11 16:25:11Z
Overall Rating
  • Mocha Cappuccino
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Sarah C
Verified Buyer
Been my favorite protein for years!*
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2020-03-10 02:55:49Z
Overall Rating
  • Mocha Cappuccino
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Sarah C
Verified Buyer
Been using this product for years. Its the best tasting and natural caffeine gets me going in the mornings.*
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2020-03-07 18:39:47Z
Overall Rating
  • Vanilla Latte
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jahat j
Verified Buyer
exelente sabor, y mas por las mañanas*
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2019-08-11 15:11:07Z
Overall Rating
  • Chocolate
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Cristian G
Verified Buyer
It has a good amount of caffeine to wake me up in the morning before work *
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2019-08-11 02:38:41Z
Overall Rating
  • Mocha Cappuccino
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Jeff C
Verified Buyer
Very tasty.  It has enough protein and caffeine to help you through the mid-afternoon work slump. *
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2019-08-10 17:24:45Z
Overall Rating
  • Mocha Cappuccino
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Jeff C
Verified Buyer
This is perfect for the afternoon slump at work. The protein fills you up and keeps you from snacking. The caffeine gives you the boost you need to finish the workday. *
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2019-08-07 02:34:13Z
Overall Rating
  • Mocha Cappuccino
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Vanessa D
Verified Buyer
Very sweet! Just tasted like chocolate!*
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2019-06-01 06:48:00Z
* Muscle & Strength does not imply any medical claims from this review. There are no guarantees of specific results and results may vary.
* 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.