According to their website they are:
Sanctuary Bistro is a neighborhood plant-based bistro that is healthy for the planet, the environment and all living beings. We create a sanctuary - a beautiful space to find peace while enjoying local organic healthy vegan food with a farm to table philosophy. Our Bistro is a warm, natural, organic location to enjoy with loved ones, family, and friends.
Since it is a vegan restaurant all menu items are dairy free and on their menu online it says all menu items are gluten free as well.