When we take the drug, we can clearly see that although most of the pills are white, there are many pills in other colors. Why do pills have so many different colors?

As a carrier of medicine, gelatin empty capsule is soluble in water, which is beneficial to the drug to exert its maximum efficacy. It masks the taste of the drug and solves the problem of difficulty swallowing. It is one of the commonly used forms of medicines and supplements.

On September 25th, the largest “human capsule” produced by students of the School of Modern Pharmaceutical Sciences, led by Dr. Puneet Dwivedi, broke the Guinness World Record of 2018.

The University of Tokyo in Japan has developed nanocapsules that accurately locate cancer cells, gather around them, and then “kill” malignant tumors. Japan's research and development of nanocapsules has great potential in drug delivery and oncology magnetic resonance imaging.

Medical doctors at Monash University in Australia have invented a capsule-shaped miniature sensor that can be swallowed like a capsule. When the sensor passes through the human body, it regularly collects gas samples intermittently, thus helping the doctor to grasp the gas generated at each stage of the whole digestion process, and to clarify the source of various components of the fart, provide the basis for the correct and effective treatment.

A capsule is a preparation in which a drug is encapsulated in capsule body and cap, usually divided into a hard capsule and a soft capsule. Drugs encapsulated in capsule shells are generally irritating drugs for the esophagus and gastric mucosa, or some drugs that are not good in taste and are easily volatile. These drugs are contained in the capsule shell, which can mask their own bad odor, protect the drug from damage, and avoid irritating our esophagus and stomach.

Countries around the world attach great importance to the development of health foods. New functions, new products, new shapes and new ways of eating are constantly emerging.

Because of the strong demand for non-gelatin capsules, cellulose esters (such as hydroxypropylmethylcellulose, etc.), plant polysaccharides (such as pullulan, alginic acid, carrageenan and agar) and plant starch have been formed internationally. A new type of plant capsule product of three different types of raw materials represented by the class (such as modified corn starch, potato starch and sweet potato starch).

The process by which a drug enters the blood circulation from the site of administration is called drug absorption. Many factors can affect the absorption of drugs, such as the physical and chemical properties of the drug, the dosage form, the formulation and the route of administration.

Capsules or tablets contain active and inactive ingredients. The active ingredient is a component of the drug that provides medicinal value, while the non-active ingredient acts as a carrier for the drug to make the body easier to handle.