Are Bio-Active Polysaccharides the Missing Link in Nutrition?

Four of the last eight Nobel Prize recipients in medicine received their award for research with cellular biology, glyconutrients, bio-active polysaccharides and how they affect aging and our health. This is the new frontier.

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What do y'all think? Is this just the latest health craze, or is there really historical and scientific substance to it?

I heard a story about Tibetan monks with astounding longevity and vigor whose secret was the goji tree above their well constantly dropping berries into their water. Truth or thinly veiled Fountain of Youth reference?