There are a number of different types of collagen; the most prevalent two in the human body are types I and III. In fact, type I collagen is the most abundant protein in the human body â it is present in almost every type of tis-sue.1 Bone contains almost exclusively type I collagen. The collagen network in bone confers structural strength
1 See some of Oahuâs gorgeous beaches â Kailua and Lanikai beaches. Some consider Lanikai Beach to be the most beautiful in the world. See our post on visiting beautiful Lanikai Beach.  Byodo-In Temple near Kaneohe is simply stunning.
Polynesian Adventure Tours. Polynesian Adventure Tours offers sightseeing tours on the four main Hawaiian islands of Oahu, Maui, Kauai and the Big Island. Their comfortable tour buses take guests to the islands' major visitor attractions. All tours are led by experienced Hawaii tour guides.