IngredientsProtein ingredient glossary.

Our ingredient glossary includes common protein powder ingredients, their purpose, and safety recommendations based on our research. Empowering you to make informed product choices is our goal. While we do provide a recommendation, you should always discuss using a new supplement with a healthcare professional.

SAFE

CAUTION

AVOID

Inositol

Nutrient

Additive Number: 980

Synonyms: Myo-inositol

Inositol is a naturally occurring carbohydrate found in many foods and sometimes added to protein powders. It is involved in neurotransmitter production, supports healthy liver function, improves insulin sensitivity, and aids in the breakdown of fats.

Iodine

Mineral

Synonyms: Potassium iodide

Iodine is a trace element essential for thyroid function, regulating metabolism, growth, and development. It may be added to protein powders as a nutritional supplement, particularly in plant-based sources which may be lower in iodine.

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