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Frequently Asked Questions
How many times a day can I take protein powder?
Are your products suitable for vegetarians?
Why is Gold Standard 100% Whey the bestselling whey protein powder?
Where is my Optimum Nutrition supplement manufactured?
How much whey concentrate and whey isolate are in your blended proteins such as Gold Standard 100% Whey and Performance Whey?
There are tiny white particles in my ON Gold Standard 100% Whey
Product safety questions
Why is my scoop a different colour?
How do I know if my Optimum Nutrition product is real/genuine/authentic?
Are your products Informed Choice certified?
Do your products contain banned substances?
Allergen information
Are your products suitable for vegetarians?
Is Gold Standard 100% Whey Vegetarian?
Is Amino energy suitable for vegetarians?
Are your protein powders/any powders gluten free?
Formulation & product questions
Why is Gold Standard 100% Whey the bestselling whey protein powder?
Where is my Optimum Nutrition supplement manufactured?
What is the difference between Gold Standard 100% Whey protein made in USA and India manufactured?
What kind of protein is in Gold Standard 100% Whey?
Product safety questions
Why is my scoop a different colour?
How do I know if my Optimum Nutrition product is real/genuine/authentic?
Are your products Informed Choice certified?
Do your products contain banned substances?
Allergen information
Are your products suitable for vegetarians?
Is Gold Standard 100% Whey Vegetarian?
Is Amino energy suitable for vegetarians?
Are your protein powders/any powders gluten free?
Formulation & product questions
Why is Gold Standard 100% Whey the bestselling whey protein powder?
Where is my Optimum Nutrition supplement manufactured?
What is the difference between Gold Standard 100% Whey protein made in USA and India manufactured?
What kind of protein is in Gold Standard 100% Whey?
