7 Day Customer Support
  • Live Chat
  • 1-800-537-9910
USD
ON Isolate Large

Optimum Nutrition Isolate

An Product
100% Of Protein From Whey Isolate!*
  • 25 g of protein exclusively from whey isolate
  • 11 g of naturally occurring essential amino acids
  • 5.5 g of naturally occurring BCAAs
  • Gluten Free, 1 g of fat & 3 g of carbs per serving
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 [email protected]

Buying Options
$32.16 32.1600
1.65lbs
21 Servings | $1.53 Per Serving
+
$54.98 54.9800
3lbs
40 Servings | $1.37 Per Serving
+
$83.99 83.9900
5lbs
67 Servings | $1.25 Per Serving
+
 
Nutrition Info

1.65lbs Chocolate Milkshake

Serving Size: 1 Scoop (34g)
Servings Per Container: 21 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
 
Total Fat
1g
2%
Saturated Fat
0.5g
3%
Cholesterol
15mg
5%
Sodium
160mg
7%
Total Carbohydrate
3g
1%
Dietary Fiber
<1g
3%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
Iron
 
4%
* % 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
Whey Protein Isolate, Cocoa (Processed with Alkali), Natural and Artificial Flavor, Lecithin, Salt, Cellulose Gum, Sucralose, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

Add one scoop of ON's Isolate to a glass or shaker cup filled with 6-8 fl oz of cold water, milk, or your favorite beverage. Stir or shake for 20 to 30 seconds or until powder is completely dissolved. MAKE AN ISOLATE SMOOTHIE using your electric blender, adding fresh or frozen fruits, nuts, and juices. TIP: Adding ice cubes to electric blender creations can enhance your smoothie's taste and texture.

1.65lbs Vanilla Softserve

Serving Size: 1 Scoop (32g)
Servings Per Container: 21 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
Total Fat
1g
2%
Cholesterol
15mg
5%
Sodium
170mg
7%
Total Carbohydrate
3g
1%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
* % 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
Whey Protein Isolate, Natural and Artificial Flavor, Lecithin, Salt, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Sucralose, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

3lbs Chocolate Milkshake

Serving Size: 1 Scoop (34g)
Servings Per Container: 40 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
 
Total Fat
1g
2%
Saturated Fat
0.5g
3%
Cholesterol
15mg
5%
Sodium
160mg
7%
Total Carbohydrate
3g
1%
Dietary Fiber
<1g
3%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
Iron
 
4%
* % 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
Whey Protein Isolate, Cocoa (Processed with Alkali), Natural and Artificial Flavor, Lecithin, Salt, Cellulose Gum, Sucralose, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

Add one scoop of ON's Isolate to a glass or shaker cup filled with 6-8 fl oz of cold water, milk, or your favorite beverage. Stir or shake for 20 to 30 seconds or until powder is completely dissolved. MAKE AN ISOLATE SMOOTHIE using your electric blender, adding fresh or frozen fruits, nuts, and juices. TIP: Adding ice cubes to electric blender creations can enhance your smoothie's taste and texture.

3lbs S'mores

Serving Size: 1 Scoop (33g)
Servings Per Container: 42 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
Total Fat
1g
2%
Cholesterol
15mg
5%
Sodium
130mg
5%
Total Carbohydrate
3g
1%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
Iron
 
4%
* % 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
Whey Protein Isolate, Natural and Artificial Flavor, Lecithin, Salt, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Sucralose, Ground Cinnamon, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

3lbs Snickerdoodle Cookie

Serving Size: 1 Scoop (33g)
Servings Per Container: 42 Servings
Amount Per Serving
Amt
%DV
Calories
130
Calories from Fat
10
Total Fat
1g
2%
Cholesterol
15mg
5%
Sodium
120mg
5%
Total Carbohydrate
4g
1%
Sugars
1g
Protein
25g
50%
Calcium
 
15%
* % 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
Whey Protein Isolate, Natural and Artificial Flavor, Lecithin, Salt, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Sucralose, Ground Cinnamon, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

3lbs Vanilla Softserve

Serving Size: 1 Scoop (32g)
Servings Per Container: 40 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
Total Fat
1g
2%
Cholesterol
15mg
5%
Sodium
170mg
7%
Total Carbohydrate
3g
1%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
* % 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
Whey Protein Isolate, Natural and Artificial Flavor, Lecithin, Salt, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Sucralose, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

5lbs Chocolate Milkshake

Serving Size: 1 Scoop (34g)
Servings Per Container: 67 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
 
Total Fat
1g
2%
Saturated Fat
0.5g
3%
Cholesterol
15mg
5%
Sodium
160mg
7%
Total Carbohydrate
3g
1%
Dietary Fiber
<1g
3%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
Iron
 
4%
* % 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
Whey Protein Isolate, Cocoa (Processed with Alkali), Natural and Artificial Flavor, Lecithin, Salt, Cellulose Gum, Sucralose, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

Add one scoop of ON's Isolate to a glass or shaker cup filled with 6-8 fl oz of cold water, milk, or your favorite beverage. Stir or shake for 20 to 30 seconds or until powder is completely dissolved. MAKE AN ISOLATE SMOOTHIE using your electric blender, adding fresh or frozen fruits, nuts, and juices. TIP: Adding ice cubes to electric blender creations can enhance your smoothie's taste and texture.

5lbs Snickerdoodle

Serving Size: 1 Scoop (32g)
Servings Per Container: 67 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
Total Fat
1g
2%
Cholesterol
15mg
5%
Sodium
170mg
7%
Total Carbohydrate
3g
1%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
* % 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
Whey Protein Isolate, Natural and Artificial Flavor, Lecithin, Salt, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Sucralose, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

5lbs Vanilla Softserve

Serving Size: 1 Scoop (32g)
Servings Per Container: 67 Servings
Amount Per Serving
Amt
%DV
Calories
120
Calories from Fat
10
Total Fat
1g
2%
Cholesterol
15mg
5%
Sodium
170mg
7%
Total Carbohydrate
3g
1%
Sugars
1g
Protein
25g
50%
Calcium
 
8%
* % 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
Whey Protein Isolate, Natural and Artificial Flavor, Lecithin, Salt, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Sucralose, Acesulfame Potassium.
Allergen Warning
Contains Milk and Soy.

Directions
Warnings
Expand Info
Product Information

ON Isolate

Using a series of sophisticated separation processes, excess fat, cholesterol, sugars, and other materials are removed so that only 1 gram of total fat and 3 grams of carbohydrates remain in each serving.

  • 25 Grams of Protein Exclusively from Whey Isolate!*
  • 11 Grams of Naturally Occurring Essential Amino Acids!*
  • 5.5 Grams of Naturally Occurring BCAAs!*
  • Gluten Free!
Reviews
Overall Rating
4.3 out of 5 stars
Reviews (11)
Verified Buyers (8)
Review Graph
  • 5 star
    64%

  • 4 star
    18%

  • 3 star
    9%

  • 2 star
    9%

  • 1 star
    0%

Top Rated Flavors
  • Snickerdoodle Cookie (5/5 )
  • Chocolate Milkshake (4.8/5 )
  • Vanilla Softserve (4.5/5 )
  • Smores (4/5 )
  • S'mores (4/5 )
  • Snickerdoodle (1/5 )
  • Show More +
    Show Less -
  • Most Recent
  • Most Helpful
  • All Reviews (11 )
  • Verified Buyers (8)
Overall Rating
  • Vanilla Softserve
  • Show More +
    Show Less -
User Image
wasim s
Increase Strength
Verified Buyer
Little expensive , but the taste and results are good*
Was this helpful?
You found this not helpful
1 of 1 found this helpful
2016-11-04 09:48:28Z
Overall Rating
  • Snickerdoodle Cookie
  • Show More +
    Show Less -
User Image
Charles S
Verified Buyer
 I can’t imagine starting my day off after a good workout without it! *
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2019-03-02 14:57:05Z
Overall Rating
  • Snickerdoodle
  • Show More +
    Show Less -
User Image
Dyaa S
Verified Buyer
I think this product is so good*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-12-20 21:41:49Z
Overall Rating
  • Chocolate Milkshake
  • Show More +
    Show Less -
User Image
Ahmed m
Verified Buyer
Very good product , very useful*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-05-28 21:12:26Z
Overall Rating
  • Chocolate Milkshake
  • Show More +
    Show Less -
User Image
Youssef E
Verified Buyer
Amazing Isolate Protein. Recommended!*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-05-08 18:14:38Z
Overall Rating
    Show More +
    Show Less -
User Image
Chris L
Love this stuff. Premium flavor for a isolate*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2018-04-18 22:27:43Z
Overall Rating
  • Snickerdoodle Cookie
  • Vanilla Softserve
  • Show More +
    Show Less -
User Image
Christian N
Verified Buyer
One of the best proteins I'd tried! Great taste and consistency. It dissolves in water so easily. *
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2017-12-09 22:38:57Z
Overall Rating
  • S'mores
  • Show More +
    Show Less -
User Image
pulkit
Build Muscle
tried its sample a few times taste is good although mixability could be better it gets lumps sometimes but nice product postworkout*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2016-10-19 09:11:09Z
Overall Rating
  • Smores
  • Show More +
    Show Less -
User Image
shaban
Build Muscle
Verified Buyer
Great mixability & taste was nice too. Still no match for Dymatize ISO 100*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2016-09-05 20:26:12Z
Overall Rating
  • Chocolate Milkshake
  • Show More +
    Show Less -
User Image
Jesus
Build Muscle
Great if you're lactose intolerant. In my opinion, better than ISO-100.*
Was this helpful?
You found this not helpful
0 of 0 found this helpful
2016-05-05 04:46:21Z
* 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-darkBoleto IconDinersClub-darkDiscover-darkelectronJCB-lightMasterCard-lightVisa-light