A new class of high-powered, slickly branded lactose intolerance treatments is targeting consumers. But do they actually work ...

Various enzyme deficiencies inside lysosomes can result in buildup of toxic substances, causing metabolic disorders including: Maple syrup urine disease. Deficiency of an enzyme called BCKD causes ...

Corn syrup consists mostly of glucose. To make it sweeter and more similar in taste to regular table sugar (sucrose), some of that glucose is converted to fructose using enzymes. Different types ...