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Frequently Asked Questions
Are your products suitable for vegetarians?
How many times a day can I take protein powder?
Why is Gold Standard 100% Whey the bestselling whey protein powder?
What amino acids are found in Gold Standard 100 % Whey Protein?
How do Gold Standard 100% Isolate and the regular Gold Standard 100% Whey compare?
Product Safety Questions
Can I use Optimum Nutrition’s products if I have a medical condition?
Can I use Optimum Nutrition’s products if I am pregnant or breastfeeding?
Does creatine have any negative health effects?
Are the sweeteners used in your products safe for consumption?
Allergen information
Are your products suitable for vegetarians?
Is Amino Energy suitable for vegetarians?
Are your protein powders/any powders gluten free?
Which of your products contain eggs?
Formulation & product questions
How many times a day can I take protein powder?
Why is Gold Standard 100% Whey the bestselling whey protein powder?
Why should I choose the Gold Standard 100% Casein?
Is plant protein harder to digest than whey?
Product Safety Questions
Can I use Optimum Nutrition’s products if I have a medical condition?
Can I use Optimum Nutrition’s products if I am pregnant or breastfeeding?
Does creatine have any negative health effects?
Are the sweeteners used in your products safe for consumption?
Allergen information
Are your products suitable for vegetarians?
Is Amino Energy suitable for vegetarians?
Are your protein powders/any powders gluten free?
Which of your products contain eggs?
Formulation & product questions
How many times a day can I take protein powder?
Why is Gold Standard 100% Whey the bestselling whey protein powder?
Why should I choose the Gold Standard 100% Casein?
Is plant protein harder to digest than whey?