Is Optimum Nutrition Gold Standard 100% Whey Lactose Free?

No. This product is not lactose free as it lists 1 ingredient that contains lactose and 2 ingredients contain lactose depending on the source.

Why it's not lactose free

  • milk
  • hydrolyzed whey protein
  • whey protein concentrate

milk

Dietitian note

Cow's milk, regardless of fat content, contains lactose - unless the packaging states that it is lactose free or you see "lactase enzyme" listed as another ingredient.

Note by Vanessa Vargas, RDN, LDN

hydrolyzed whey protein
whey protein concentrate

Every flagged ingredient, explained

Notes and swaps for all 3 flagged ingredients, plus lactose free products to buy instead.

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Ingredients

Protein Blend (whey Protein Isolate, Whey Protein Concentrate, Hydrolyzed Whey Protein), Natural Flavor And Artificial Flavor, Lecithin, Cellulose Gum, Xanthan Gum, Salt, Sucralose, Acesulfame Potassium. Contains Milk and Soy.

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About this product

Supplement · Powder

Flavor
Neutral
Texture
Powdery
Commonly used for
DrinkingMeal PrepSmoothieOn The Go