Protein Products

Opti-Fit Lean Protein Shake

  • Protein

    25G

  • Fiber

    6G

  • Fat

    3.5G

The True Strength of Satiety

Satiety is a feeling of fullness that can help you resist overeating and snacking temptations. Dietary fiber supports satiety, and so do dairy proteins, which is why great tasting OPTI-FIT Lean Protein Shakes are made with whey and casein from milk. Chickpea and oat contribute to the fiber content along with a blend of complex carbohydrates. Watch what you eat and use ON’s OPTI-FIT Lean Protein Shake to help strengthen your willpower.

  • Meal Replacement Protein Powder Drink Mix
  • Fast and Slow Digesting Protein Sources
  • Made With Chickpea and Oat
  • Mixes Easily Into Cold Water
  • Just 200 Calories Per Serving
On Sale:

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Optimum Nutrition Quality

At ON we are proud to know that we are one of the few sports nutrition companies who own and operate their own production facilities. While it's true that ON is one of the world's largest producers of sports nutrition products, we remain focused on being recognized as the best. In fact, our requirements for raw materials are so strenuous that it's not unusual for ON Quality Assurance Technicians to reject entire truckloads of raw materials that do not meet our high standards. We like to think that we take as much pride & care in crafting our award-winning supplements as our consumers do with crafting their physiques and fitness accomplishments.


There is Only One Gold Standard

Optimum Nutrition's Award Winning supplements have consistently delivered the Highest Quality products to athletes across the globe -- Here is a brief look at how.