Alli, or generic Xenical, is a supplement that enhances weight loss when combined with healthy eating. Manufactured by GlaxoSmithKline, Alli is FDA approved and available without a prescription. The main ingredient in Alli is orlistat, a prescription medication for weight loss, according to Diet Spotlight. Orlistat reduces saturated and trans fats absorbed from dietary intake.
Orlistat
Orlistat is a lipase inhibitor developed to manage obesity. This chemical agent prohibits the body from absorbing fats from food. The stomach produces a digestive chemical, lipase, in the stomach and small intestine that uses and stores fatty acids. Orlistat binds to lipase to prevent the absorption of saturated fats and trans fat. The recommended dosage of orlistat is 60 mg, taken three times per day. The National Library of Medicine notes that orlistat may consume up to 30 percent of ingested dietary fats.
Povidone
Povidone is an inert ingredient in Alli diet pills. This chemical agent helps the diet pill break down in the body. Povidone contains iodine, which can cause allergic reactions such as skin irritation and hives. Severe reactions to this ingredient include difficulty breathing and airway obstruction that can occur with anaphylactic shock. Individuals with iodine allergies should inform their doctor when taking Alli.
Sodium Starch Glycolate
Sodium starch glycolate is a white, odorless powder that dissolves slowly in water. This chemical is a common ingredient for extending the chemical stability of orlistat. Sodium starch glycolate allows orlistat to maintain product storage and preservation of ingredients.
Edible Ink and Iron Oxide
Edible ink and iron oxide are coloring agents used in orlistat that distinguish this diet pill from other commonly used medications. Alli diet pills are an aqua color that originated from traditional dyes and the iron oxide additive, notes the Federal Drug Administration Alli label listing. In addition, Alli capsules use gelatin to bind the orlistat ingredients.
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