Recently, for the first time in my life, I took probiotics after a course of prescribed antibiotics. I don't need coffee any more to function and I finally fee

Recently, for the first time in my life, I took probiotics after a course of prescribed antibiotics. I don't need coffee any more to function and I finally feel full after eating - strongly so even. If it's really the probiotics, then I regret never taking them before - especially after antibiotics.