From the Qur'an
“He has only forbidden you dead animals, blood, the flesh of swine, and and that which is dedicated to other than Allah…”
— Surah Al-Baqarah 2:173
Important: This is an educational aid — it is not a fatwa. Rulings on mushbooh (doubtful) items differ between the schools of fiqh and halal-certifiers. For packaged food, trust the halal certification logo and confirm with your local imam or scholar.