Whenever gas is a problem I’ll increase my fiber intake (def add some fiber to your protein shakes, benefiber works well) and also take digestive enzymes with every meal. Super Digestaway is a good one.
i used to get horrid gas when i was on a high carb day; so it could be your carb intake or carb sensitivity.
also, are you eating your veggies? for a while i was only eating an apple a day; i added a bunch of veggies, fiber tabs and its rare that i release that room-clearing stench from below anymore.