The amount of collagen you should take depends on factors such as your diet, age, overall health, and type of supplement. A daily dose of 2.5 to 15 grams may be safe and effective if you need the ...

Sichuan Giant Panda Sanctuaries, home to more than 30% of the world's pandas which are classed as highly endangered, covers 924,500 ha with seven nature reserves and nine scenic parks in the Qionglai ...