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How To Distinguish Filling Empty Capsules

  1. Brittle quality: General industrial gelatin has many impurities, so the capsule will break when pinched or touched.

  2. Bright color: Industrial gelatin has a lot of impurities, and the manufacturer will add more flavors and dyes to cover up the impurities, so the brighter the color, the more likely it is industrial gelatin.

  3. Loose mouth and easy to unscrew: Empty hard gelatin capsules made of industrial gelatin are poor in quality, material, and workmanship. The capsule mouth is loose and easy to unscrew.

  4. Look at the speed of dissolution: Qualified capsule shells are made entirely of natural and edible raw materials. The main component is starch, which is not harmful to the body and is easy to dissolve. If there is enough saliva, the high-quality capsule shell will start to melt and become soft within 5 seconds in the mouth, with a slightly sweet taste and no irritation.


  1. It is not advisable to disassemble the capsule and take it: the capsule preparation has the characteristics of improving the stability of the drug, protecting the digestive tract and respiratory tract from direct stimulation of the drug, and slow-release targeted effect. Once the capsule shell is removed, the effect may be reduced and the side effects may be increased.

  2. It is not suitable to take capsules with hot water: gelatin is the most widely used ingredient in filling empty capsules, which will slowly absorb water and become soft in cold water, but will quickly melt and dissolve in hot water. If it is taken with hot water, the filling empty capsules are easily damaged, and the effect inside will be released in advance, affecting the effectiveness and safety. Therefore, it is more appropriate to take capsule medicine with cold water (but not too cold) or warm water.

  3. It is not advisable to swallow directly: dry swallowing of capsules will cause the capsules not to enter the stomach quickly, and may be attached to the esophagus. The local drug release will harm the esophagus, causing mucosal damage and even ulcers.