Food That Contains Peptides

Amino acids make peptide proteins. These peptides are important for a properly functioning body, but when they malfunction, it creates problems. Especially relating to the stomach, peptides produced by the body and ingested through food regulate how much someone eats.
  1. Wheat

    • Wheat protein contains peptides to transmit information from the digestive system to the brain. They have a sort of opiate effect on some people, and narcotic-blocking drugs can block their effects, according to NutraMed.com.

    Milk

    • Milk protein contains peptides, according to Nutramed.com. They fall into the opioid peptide category as well.

    Possible Problem

    • The opiate effect from peptides on certain people's brains cause or have something to do with appetite problems in those with food illnesses.

    Gastrointestinal Peptides

    • Gastrointestinal peptides do not come from food, but rather from the intestines during digestion of all food.

    Food Cravings

    • Some people with gastrointestinal peptide dysfunction crave all kinds of food because their body wants to increase ingestion. In this sense, all food, even those without peptide proteins, can make the body produce peptides.

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