I bought a Dr Oeker frozen pizza from Sunward Lifestyle Centre when I started to eat it the first morsel it had an utterly bitter taste

I bought a Dr Oeker frozen pizza from Sunward Lifestyle Centre when I started to eat it the first morsel it had an utterly bitter taste.im scared that it is not poisonous.i'm very disappointed in the quality of food sold by Checkers and Checkers Hype.