**** Krest ****** ale

I bought Krest ****** ale from the nearest ****a shop last night,because it was at night we didn't check we just drank it.Today I wanted to drink the left overs but because it was on the morning I realized there are dirty things in the bottle.I then took the half back to the shop but they said unfortunately they don't know what is wrong I need help as this might result to food poisoning.My contact number is ***