Did You Know?

Protein deficiency can occur when you're not eating enough protein to maintain normal body function. ... Not consuming enough protein can also cause muscle cramping, weakness, and soreness. Your body will take protein from muscle tissue and use it as energy to support other vital body functions when protein is low. Serious protein deficiency can cause swelling, fatty liver, skin degeneration, increase the severity of infections.

For anyone who is struggling to gain muscle, lose weight or maintain their health & body composition to feel great about themselves, this is the best choice of protein.

GOLD STANDARD WHEY is the #1 best selling protein powder on the market as a consumer trusted brand.


True Strength is a journey. It never rests, it never quits. It's about overcoming obstacles, accomplishing goals, and recognizing achievements. And then it resets to achieve again. As your trusted sports nutrition partner in goal achievement, ON demonstrates that same passion while crafting our products. From the raw materials we source to our state-of-the-art manufacturing processes, no compromises are made. You set the bar higher after every workout, we set the bar higher to redefine the industry standards and ensure you realize optimum results.

Whey Protein Shipped & Sold by Amazon.com

Whey Protein Shipped & Sold by Amazon.com


Bump up Your Protein Consumption. Don't be afraid to push protein consumption. ...

Train For Muscle Gain, Not Fat Loss. ...

Cut Your Carbs. ...

Eat Healthy Fats. ...

Consume a Moderate Number of Calories. ...

Use Cardio to Burn Fat, Not Calories.

Whey Protein

About the product

GOLD STANDARD 100% Whey delivers 24g of whey protein, has 5.5 grams of naturally occurring BCAAs, and 4 grams of naturally occurring glutamine per serving.  Gluten Free.

  • Whey protein shake consumed before or after exercise helps kick start muscle recovery for men and women.

  • Have an Alexa device? Enable our OPTIMUM NUTRITION Workout Recipes Skill!

  • Over 20 delicious flavors to choose from including more on another product page.

  • Frequently purchased with ON Creatine, ESSENTIAL AMIN.O. ENERGY, and OPTI-MEN