Top
USD
7 Day Customer Support
  • Live Chat
  • 1-800-537-9910
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
Muscle & Strength Rewards

Earn 2 points for every dollar you spend at Muscle & Strength! Spend your points on order discounts, fitness gear and exclusive products.

2 Free Samples

Try before you buy! You can choose 2 free samples with every order you place at Muscle & Strength.

Same Day Shipping

We ship fast! USA orders placed before 6pm EST will be shipped the same day.

International orders placed before 4pm EST will be shipped the same day.

60 Day Guarantee

Not happy with your purchase? No problem. Simply return it to us within 60 days and we'll replace it, credit your account, or give you a full refund.

Contact Us

If you have any questions about products please call us on 1-800-537-9910 or email support@muscleandstrength.com

Deals

PRICE CUT + FREE SHAKER
PRICE CUT + FREE SHAKER
Buy 1 ON Protein Energy for $17.99 and get FREE ON Shaker! Limited time.
Buying Options
$19.99
$17.99
17.9900
1.72lb
52 Servings | $0.35 Per Serving

PRICE CUT + FREE SHAKER
-
+
 
McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
Nutrition Info

1.72lb Chocolate

Serving Size: 1 Scoop (15g)
Servings Per Container: 52
Amount Per Serving
Amt
%DV
Calories
50
Calories from fat
10
Total Fat
1g
2%
Saturated Fat
.5g
3%
Cholesterol
20mg
7%
Total Carbohydrate
1g
<1%
Dietary Fiber
1g
3%
Sugar
0g
Protein
10g
20%
Vitamin E (as dl-Alpha Tocopheryl Acetate)
15IU
50%
Thiamin (as Thiamin Hydrochloride)
3mg
200%
Riboflavin
3.4mg
200%
Niacin (as Niacinamide)
40mg
200%
Vitamin B6 (as Pyridoxine Hydrochloride)
4mg
200%
Vitamin B12 (as Cyanocobalamin)
12mcg
200%
Sodium
110mg
5%
Energy and Focus Blend
110mg
Caffeine, Green Tea Extract (Leaf), (standardized for EGCG)
* % Daily Value is based on a 2,000 calorie diet. Your daily values may be higher or lower based on your calorie needs.
† Daily Value (DV) not established.
Ingredients
Protein Blend (Whey Protein Concentrate, Whey Protein Isolate, Whey Protein Hydrolysate), Cocoa Powder (Processed with Alkali), Natural & Artificial Flavors, Sunflower Oil (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate, Mono- And Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, Soy Lecithin, and Tocopherols), Lecithin, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Salt, Caffeine (from Tea and/or Coffee Bean), Sucralose.
Allergen Warning
Contains Milk and Soy (Lecithin) ingredients.

For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.

Consult your physician before using this product if you are taking any medication or are under a physician’s care for a medical condition. Not for use by those under the age of 18, women that are pregnant, trying to get pregnant, or nursing, or those that are sensitive to caffeine or niacin. Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat. Niacin may cause a harmless, temporary tingling or flushing sensation. Do not combine with alcohol. Consume as part of a healthy diet and exercise program, and drink at least 100 oz of water per day. Exercise may increase your need for fluid intake. Do not exceed 6 scoops per day. Contains 60mg of caffeine per scoop.

1.72lb Cinnamon Bun

Serving Size: 1 Scoop (14g)
Servings Per Container: 52
Amount Per Serving
Amt
%DV
Calories
50
Calories from fat
5
Total Fat
.5g
1%
Saturated Fat
0g
0%
Cholesterol
20mg
7%
Total Carbohydrate
1g
<1%
Dietary Fiber
1g
3%
Sugar
0g
Protein
10g
20%
Vitamin E (as dl-Alpha Tocopheryl Acetate)
15IU
50%
Thiamin (as Thiamin Hydrochloride)
3mg
200%
Riboflavin
3.4mg
200%
Niacin (as Niacinamide)
40mg
200%
Vitamin B6 (as Pyridoxine Hydrochloride)
4mg
200%
Vitamin B12 (as Cyanocobalamin)
12mcg
200%
Sodium
50mg
2%
Energy and Focus Blend
110mg
Caffeine, Green Tea Extract (Leaf), (standardized for EGCG)
* % Daily Value is based on a 2,000 calorie diet. Your daily values may be higher or lower based on your calorie needs.
† Daily Value (DV) not established.
Ingredients
Protein Blend (Whey Protein Concentrate, Whey Protein Isolate, Whey Protein Hydrolysate), Natural & Artificial Flavors, Sunflower Oil (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate, Mono- And Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, Soy Lecithin, and Tocopherols), Lecithin, Cinnamon Powder, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Caffeine (from Tea and/or Coffee Bean), Sucralose.
Allergen Warning
Contains Milk and Soy (Lecithin) ingredients.

For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.

Consult your physician before using this product if you are taking any medication or are under a physician’s care for a medical condition. Not for use by those under the age of 18, women that are pregnant, trying to get pregnant, or nursing, or those that are sensitive to caffeine or niacin. Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat. Niacin may cause a harmless, temporary tingling or flushing sensation. Do not combine with alcohol. Consume as part of a healthy diet and exercise program, and drink at least 100 oz of water per day. Exercise may increase your need for fluid intake. Do not exceed 6 scoops per day. Contains 60mg of caffeine per scoop.

1.72lb Mocha Cappuccino

Serving Size: 1 Scoop (15g)
Servings Per Container: 52
Amount Per Serving
Amt
%DV
Calories
50
Calories from fat
10
Total Fat
1g
2%
Saturated Fat
.5g
3%
Cholesterol
20mg
7%
Total Carbohydrate
1g
<1%
Dietary Fiber
1g
3%
Sugar
0g
Protein
10g
20%
Vitamin E (as dl-Alpha Tocopheryl Acetate)
15IU
50%
Thiamin (as Thiamin Hydrochloride)
3mg
200%
Riboflavin
3.4mg
200%
Niacin (as Niacinamide)
40mg
200%
Vitamin B6 (as Pyridoxine Hydrochloride)
4mg
200%
Vitamin B12 (as Cyanocobalamin)
12mcg
200%
Sodium
105mg
4%
Energy and Focus Blend
110mg
Caffeine, Green Tea Extract (Leaf), (standardized for EGCG)
* % Daily Value is based on a 2,000 calorie diet. Your daily values may be higher or lower based on your calorie needs.
† Daily Value (DV) not established.
Ingredients
Protein Blend (Whey Protein Concentrate, Whey Protein Isolate, Whey Protein Hydrolysate), Cocoa Powder (Processed with Alkali), Natural & Artificial Flavors, Sunflower Oil (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate, Mono- And Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, Soy Lecithin, and Tocopherols), Lecithin, Coffee Powder, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Salt, Caffeine (from Tea and/or Coffee Bean), Sucralose.
Allergen Warning
Contains Milk and Soy (Lecithin) ingredients.

For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.

Consult your physician before using this product if you are taking any medication or are under a physician’s care for a medical condition. Not for use by those under the age of 18, women that are pregnant, trying to get pregnant, or nursing, or those that are sensitive to caffeine or niacin. Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat. Niacin may cause a harmless, temporary tingling or flushing sensation. Do not combine with alcohol. Consume as part of a healthy diet and exercise program, and drink at least 100 oz of water per day. Exercise may increase your need for fluid intake. Do not exceed 6 scoops per day. Contains 60mg of caffeine per scoop.

1.72lb Vanilla Latte

Serving Size: 1 Scoop (14g)
Servings Per Container: 52
Amount Per Serving
Amt
%DV
Calories
50
Calories from fat
10
Total Fat
1g
2%
Saturated Fat
0g
0%
Cholesterol
20mg
7%
Total Carbohydrate
1g
<1%
Sugar
0g
Protein
10g
20%
Vitamin E (as dl-Alpha Tocopheryl Acetate)
15IU
50%
Thiamin (as Thiamin Hydrochloride)
3mg
200%
Riboflavin
3.4mg
200%
Niacin (as Niacinamide)
40mg
200%
Vitamin B6 (as Pyridoxine Hydrochloride)
4mg
200%
Vitamin B12 (as Cyanocobalamin)
12mcg
200%
Sodium
75mg
3%
Energy and Focus Blend
110mg
Caffeine, Green Tea Extract (Leaf), (standardized for EGCG)
* % Daily Value is based on a 2,000 calorie diet. Your daily values may be higher or lower based on your calorie needs.
† Daily Value (DV) not established.
Ingredients
Protein Blend (Whey Protein Concentrate, Whey Protein Isolate, Whey Protein Hydrolysate), Natural Flavors, Sunflower Oil (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate, Mono- And Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, Soy Lecithin, and Tocopherols), Coffee Powder, Lecithin, Cinnamon Powder, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Salt, Caffeine (from Tea and/or Coffee Bean), Sucralose.
Allergen Warning
Contains Milk and Soy (Lecithin) ingredients.

For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.

Consult your physician before using this product if you are taking any medication or are under a physician’s care for a medical condition. Not for use by those under the age of 18, women that are pregnant, trying to get pregnant, or nursing, or those that are sensitive to caffeine or niacin. Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat. Niacin may cause a harmless, temporary tingling or flushing sensation. Do not combine with alcohol. Consume as part of a healthy diet and exercise program, and drink at least 100 oz of water per day. Exercise may increase your need for fluid intake. Do not exceed 6 scoops per day. Contains 60mg of caffeine per scoop.

Directions
Warnings
Expand Info
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
4.8 out of 5 stars
Reviews (75)
Verified Buyers (70)
Review Graph
  • 5 star
    79%

  • 4 star
    17%

  • 3 star
    4%

  • 2 star
    0%

  • 1 star
    0%

Top Rated Flavors
  • Mocha Cappuccino (4.9/5 )
  • Cinnamon Bun (4.9/5 )
  • Chocolate (4.6/5 )
  • Vanilla Latte (4.5/5 )
  • Show More +
    Show Less -
  • Most Recent
  • Most Helpful
  • All Reviews (75 )
  • Verified Buyers (70)
Overall Rating
  • Mocha Cappuccino
  • Show More +
    Show Less -
User Image
wael a
Verified Buyer
the best flavor no question about it*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-07-15 18:27:43Z
Overall Rating
  • Chocolate
  • Show More +
    Show Less -
User Image
TERRY
Verified Buyer
Great!Highly recommend!Great!Highly recommend!*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-07-02 07:16:23Z
Overall Rating
  • Mocha Cappuccino
  • Show More +
    Show Less -
User Image
Aleksa K
As all products from "ON" - very good...*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-06-23 02:03:59Z
Overall Rating
  • Cinnamon Bun
  • Show More +
    Show Less -
User Image
barak b
Build Muscle
Verified Buyer
Best product ever I bought this year*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-06-22 20:46:12Z
Overall Rating
  • Mocha Cappuccino
  • Show More +
    Show Less -
User Image
roberto a
Verified Buyer
Great taste! It is easy to mix*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-06-22 00:52:43Z
Overall Rating
  • Chocolate
  • Cinnamon Bun
  • Mocha Cappuccino
  • Show More +
    Show Less -
User Image
wael a
Verified Buyer
my favourite protein energy amazing*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-06-17 05:39:55Z
Overall Rating
  • Cinnamon Bun
  • Mocha Cappuccino
  • Show More +
    Show Less -
User Image
Ryan F
Verified Buyer
I like the mocha cappuccino flavor more. The caffeine is good, but not overwhelming*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-06-15 17:54:51Z
Overall Rating
  • Mocha Cappuccino
  • Show More +
    Show Less -
User Image
barak b
Verified Buyer
Best product I bought this year*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-06-07 14:19:05Z
Overall Rating
  • Cinnamon Bun
  • Show More +
    Show Less -
User Image
Tyler D
Burn Fat
Verified Buyer
My favorite protein to date. Amazing flavor*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-06-05 03:13:08Z
Overall Rating
  • Vanilla Latte
  • Show More +
    Show Less -
User Image
Erick Sanchez
Verified Buyer
Protein + Energy low carb, cal and sugar, mix with coffee and you will see*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-05-23 19:01:32Z
* 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.
AmericanExpress-darkDinersClub-darkDiscover-darkelectronJCB-lightMasterCard-lightVisa-light