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Optimum Nutrition

Optimum Nutrition protein supplements and other nutrition products are here to support your athletic performance. Find the best variety of protein supplements by Optimum Nutrition based on your health and wellness goals at The Vitamin Shoppe.

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  • Optimum Nutrition
    GOLD STANDARD 100% WHEY Protein Powder – Strawberries
    • Helps build and maintain muscle
    • Supports endurance and recovery
    • Instantized powder for easy mixing
    • Strawberries & Cream flavor

    GOLD STANDARD 100% WHEY by Optimum Nutrition fuels your body with 24g of high-quality whey protein derived primarily from whey protein isolate, plus 5.5g of naturally occurring BCAAs to support muscle building, maintenance, endurance, and recovery.

    Frequently Asked Questions

    What is whey protein isolate?

    Whey protein isolate (WPI) has the highest concentration of protein and BCAAs, while having less carbs, cholesterol, and fat compared to other whey proteins. WPI is also low in lactose and easy on your digestive tract.

    What are BCAAs?

    Branched-chain amino acids (BCAAs) include leucine, isoleucine, and valine. They support muscle growth and reduce muscle fatigue.

    Rated 4 stars out of 5 stars, From 4 customer reviews
    $109.99
  • Transparent Labs
    100% Grass Fed Whey Protein Isolate - Milk
    • Supports muscle growth and recovery
    • Non-GMO
    • Free of gluten, artificial sweeteners, food dyes, fillers, and preservatives
    • Milk Chocolate flavor

    Transparent Labs’ 100% Grass-Fed Whey Protein Powder supports muscle growth, recovery, and overall health. Each serving delivers 28g of high-quality whey protein isolate sourced from 100% grass-fed cattle, raised humanely and without the use of growth hormones or hormonal agents.

    Frequently Asked Questions

    What is whey protein isolate?

    Whey protein isolate (WPI) has the highest concentration of protein and BCAAs, while having less carbs, cholesterol, and fat compared to other whey proteins. WPI is also low in lactose and easy on your digestive tract.

    Are protein shakes “good” for you?

    Protein shakes can be an excellent addition to a well-rounded diet and healthy lifestyle. Research has shown that supplementing with protein can support athletic performance, post-workout recovery, weight management, muscle maintenance, and muscle growth.

    Can protein shakes support weight gain?

    Protein shakes may support weight gain if they contribute to a calorie surplus in your diet.

    Can protein shakes support weight loss?

    Research has shown that protein-rich foods temporarily rev up your metabolism and can help make you feel satiated longer, which may contribute to weight loss.

    Are protein shakes "good" for women?

    Supplementing with protein is as beneficial for women as it is for men in supporting muscle growth and maintenance, recovery, and performance.

    How can protein supplements benefit my muscles?

    Protein supplements provide the nutrients your body needs to stimulate muscle protein synthesis and support recovery post-workout.

    Who Would Benefit from Taking Protein?

    • Athletes and fitness enthusiasts looking to support muscle growth, muscle maintenance, performance, and post-workout recovery
    • Individuals with weight management goals seeking a lower-calorie, high-protein option
    • Older adults who require more protein to maintain muscle mass and overall health
    • Busy professionals and students who need a quick and convenient source of protein on the go
    • Anyone with increased protein needs, such as vegetarians or individuals practicing a low-carb diet
    Rated 4 stars out of 5 stars, From 23 customer reviews
    $59.99
  • BodyTech
    Micellar Casein Protein Powder - Slow Release &
    • 24g of protein, 0.5g of fat, and 1g of sugar per serving
    • Slow release
    • Anti-catabolic protein
    • Rich Chocolate flavor

    Protect your hard-earned gains from catabolic breakdown using BodyTech Micellar Casein Protein Powder. This anti-catabolic formula supplies your body with 24g of slow-release protein, plus 23mg of Aminogen to support absorption and digestion.

    Perfect for your lean muscle-building goals, this tasty Rich Chocolate-flavored protein has only 0.5g of fat and 1g of sugar per serving.

    Frequently Asked Questions

    What is micellar casein?

    Micellar casein is a milk protein that is digested more slowly than other proteins, providing an extended release of muscle-building amino acids that help prevent catabolism.

    What is catabolism?

    Catabolism is the breakdown of protein. When your body is under significant metabolic stress - like during high-intensity interval or resistance training - it can resort to catabolizing your muscles for energy.

    What is the best time to take BodyTech Micellar Casein Protein?

    For the best results, this great-tasting protein powder should be enjoyed immediately upon rising, after a workout, or before you go to bed to help protect your muscles from catabolism.

    What is Aminogen?

    Aminogen is an enzyme that helps your body digest and absorb protein.

    Rated 4 stars out of 5 stars, From 23 customer reviews
    $69.99
  • BodyTech
    Whey Tech Pro 24 Whey Protein Isolate &
    • 24g of protein, 1g of fat, and 1g of sugar per serving
    • Combination of whey protein isolate & concentrate
    • High concentration of BCAAs to support recovery
    • Rich Chocolate flavor

    Whey Tech Pro 24 Protein Powder by BodyTech delivers mouthwateringly fun flavor with serious, goal-crushing results. Each serving of this superior quality powder supplies 24g of whey protein isolate and concentrate to fuel lean muscle growth, plus a high concentration of BCAAs to support muscle recovery.

    It may taste too good to be true, but this Rich Chocolate protein powder has only 1g of fat and sugar per serving.

    Frequently Asked Questions

    What are BCAAs?

    Branched-chain amino acids (BCAAs) include leucine, isoleucine, and valine. They support muscle growth and reduce muscle fatigue.

    What's the difference between whey protein isolate and concentrate?

    Whey protein concentrate ranges from 70-80% protein, whereas whey protein isolate ranges from 90-95% protein. Combining whey protein isolate and concentrate results in the building blocks for metabolically active lean muscle tissue.

    Rated 4 stars out of 5 stars, From 54 customer reviews
    $44.99

Find Protein Powders at The Vitamin Shoppe Store Near You

There are more than 600 The Vitamin Shoppe® stores across the US, so it's very likely you can pop in and find Protein Powders locally. Check out our store locator to find a Shoppe near you. Don’t forget—you’ll save at least 15% on every subscription with Auto Delivery, plus an addition 5% off select brands to help you stay on the path. Not only will you never miss a thing, but you’ll also get free shipping on subscription refills of $25 or more!* You define what better looks (and feels) like—Count on us to help you get there.


Shipping & Returns

  • FREE for Orders over $35

    Orders under $35, domestic shipping is only $6.99. Find more at our Shipping Policy page.

  • Return Policy for Items Purchased Online

    Shop with confidence with our Easy Returns Policy. Customers may return any opened or unopened merchandise purchased from any Vitamin Shoppe channel to any Vitamin Shoppe store within 30 days. Find more at our full Returns Policy page.

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