First, buy vital collagen material, see the raw materials
High-quality vital collagen material raw materials should be imported from Russia, Canada, Norway, Iceland, which are relatively cold, and fish skin and scales from deep-sea cod. This is the best vital collagen raw material, because it is caught from the deep sea of ​​the Pacific Ocean. It is non-polluting, not pigskin or freshwater cod, so you must check the origin of the raw materials before purchasing.
Second, buy vital collagen material, look at the brand
A good brand is the key to purchasing vital collagen. We have to choose those big brands with clear source of raw materials, high sales, and good effects to buy. Only those who buy more vital collagen and have a good evaluation only to be trusted.

Third, buy vital collagen material, see molecular weight
The molecular weight of 1000 Daltons or less is the most easily absorbed by the human body. The molecular weight of less than 1000 Daltons, after taking it, does not go through the secondary decomposition of the stomach, and directly reaches the intestines for rapid absorption by the body.
Fourth, buy vital collagen material, look at the powder particles
The powder particles of good vital collagen material will be very uniform, and it will be very fine when twisted by hand, and there will never be different sizes or solid blocks. And high-quality vital collagen powder will generally appear milky white close to white paper, very shiny.
Five, buy vital collagen material, see the price
The price of high-quality vital collagen material powder must not be too low, because the annual fishing of deep-sea cod is very limited, and the international clearly limits the number of catches, plus the ocean freight, so the cost of vital collagen powder is quite high.