Ingredient Guides

Ingredient Guides

Understand the ingredient form, declared amount and evidence behind common supplement labels.

Start here

Ingredient names are useful only when you understand the form, amount and purpose. Start here when comparing protein blends, pre-workouts or standalone supplements.

Read Guide to Supplement Ingredients

Explore by topic

Jump to the relevant section of our main guide.

Presence, amount and product evidence are different

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Creatine: match the form to the evidence

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Caffeine: count every source

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Beta-alanine: repeated use, not a sensation test

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Citrulline vs citrulline malate

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EAAs and BCAAs

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An ingredient checklist you can use while shopping

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Find an answer before choosing

Read the guide FAQs for common questions, or explore the Supplement FAQs for help with labels and general use.

Explore the relevant range

Compare the exact product labels, serving sizes and suitability information before choosing.

Explore creatine →Explore amino acids →Explore pre-workout →

Continue learning

Pre-Workout Guides

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Creatine Guides

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General information for adults. Seek qualified professional advice about individual suitability.

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