Is Premier Nutrition ISO 100 Hydrolyzed Protein Powder Soy Free?

No. This product is not soy free as it lists 3 ingredients that contain soy.

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Why it's not soy free

soy lecithin
soy
natural, articial flavor, salt, soy lecithin, sucralose, steviol glycerides

soy lecithin

Dietitian note

Soy protein isolate is a concentrated form of plant-based protein extracted from defatted soybean meal and commonly used to boost protein content in processed foods and supplements. It retains allergenic soy proteins that can provoke IgE-mediated responses in sensitive individuals. Avoidance is essential on a soy-free diet to prevent adverse allergic reactions and inadvertent exposure to soy allergens.

Note by Vanessa Vargas, RDN, LDN

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Ingredients

HYDROLYZED WHEY PROTEIN ISOLATE, WHEY PROTEIN ISALTE, LESS THAN 2% OF: NATURAL AND ARTICIAL FLAVOR, SALT, SOY LECITHIN, SUCRALOSE, STEVIOL GLYCERIDES (STEVIA). CONTAINS: MILK AND SOY.

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