What do they do? BHA and BHT are antioxidants.

Found in: Fatty foods like nuts and lard
What do they do? BHA and BHT are antioxidants.
Is it safe? Possibly. Some studies  show that very high amounts of these chemicals cause tumors in rodents, but others failed to establish the same correlation at normal levels in humans. Other studies even suggest potential health benefits. But the major concern with BHT from a Paleo standpoint isn’t that it’s harmful in itself, it’s that it indicates a processed, low-quality source of fats. Avoid it as a marker for unhealthy fats like trans fats, or fats that have been poorly treated, not on its own