1. The capsule shell can not be "shell" to eat, not only affect the efficacy of the drug, but also may burn the esophagus and cause stomach pain.

2. Taking capsule-type lutein products, can not be served with hot water, to use cool water and a lower temperature of warm water. The capsule shell is usually made of gelatin, which is easily decomposed by heat, and the capsule shell is also prone to burns when stuck in the throat or esophagus.

3. The amount of water should be enough to avoid the drug due to "power" insufficient midway "blocked", stuck in the throat or esophagus. When taking medication, be sure to stand or sit, and don't lie down immediately after eating to ensure that the medication goes straight to the gastrointestinal tract.

4. After taking the capsule, it is best to take a sip of water, if you feel a sense of foreign body in the throat and esophagus, you can drink a glass of cold milk or drink more warm water, to reduce the damage of the drug on the pharynx and digestive tract.