Is On Optimum Nutrition Serious Mass Vanilla Flavored Protein Powder Supplement 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
  • sweet whey
  • 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

sweet whey
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

Maltodextrin, Protein Blend (whey Protein Concentrate, Calcium Caseinate, Egg Whites, Sweet Whey), Natural And Artificial Flavor, Medium Chain Triglycerides, Lecithin, Acesulfame Potassium, Sucralose. Contains: Egg, Milk, Soy.

Check On Optimum Nutrition Serious Mass Vanilla Flavored Protein Powder Supplement against your own diets in the app.

About this product

Protein Powder · Powder

Flavor
VanillaSweet
Texture
Powdery
Commonly used for
DrinkingMeal PrepOn The Go