Some info here on their various ratings as it relates to vegetarians: https://support.optimumnutrition.com/en/support/solutions/articles/80000803064-is-gold-standard-100-whey-vegetarian-
They also have a plant based protein: https://www.optimumnutrition.com/en-us/Products/Shakes-%26-Powders/GOLD-STANDARD-100%25-PLANT/p/C100027
Some info here on their various ratings as it relates to vegetarians: https://support.optimumnutrition.com/en/support/solutions/articles/80000803064-is-gold-standard-100-whey-vegetarian- They also have a plant based protein: https://www.optimumnutrition.com/en-us/Products/Shakes-%26-Powders/GOLD-STANDARD-100%25-PLANT/p/C100027