TUDCA is the main effective component of bear bile and the main component of artificially synthesized bear bile. TUDCA is a kind of combined bile acid widely present in the bile of humans and various animals, and has a variety of physiological and pharmacological effects.
Tretinoin is used to make cream or gel, for prescription-strength topical use on usual, It’s used mainly to sun-damaged skin, treat acne, and fine wrinkles. Tretinoin works by irritating the skin, it is able to speed up the life cycle of skin cells, let skin cells to divide faster and die faster.
Organic germanium also called as Ge-132, Germanium Sesquioxide. It is a controversial substance in the world. Some people say it is the 21st century salvation germanium to protect human health.
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