Amino acids: The building blocks of polypeptides and proteins. CONTINUE SCROLLING FOR RELATED ARTICLE Last Editorial Review: 5/13/2016 Fat-Fighting Foods Slideshow Food Frauds Slideshow Pictures Take the Diet & Nutrition Quiz Popular Collections Beware of Deadly Bug Bites & Stings Recognize These Common Eye Conditions Natural Cold & Flu Remedies Managing Blood Sugar Swings Cholesterol: What the Numbers Mean Omega-3 Foods for a Stronger Heart Low-T and Erectile Dysfunction Joint Friendly Exercises The Most Effective Birth Control Lung Cancer Stages & Treatments Migraine Triggers You Can Avoid Why Heart Attacks Happen Foods to Help You Concentrate Your Cancer Questions Answered Stop Wrecking Your Teeth The Dangers of Blood Clots Learn More About Eating Disorders Surgery or Medication for Crohn's?
