[domhudson]

You don't have to cycle it. You also don't need to load it (a marketing ploy to get you to buy more).

You can just take 3-5g daily.

[windward]

Cycling is also a marketing ploy, since it makes it sound more like a PED and less like a compound found naturally in meat. It's the same reason people say they 'take' whey, when Miss Muffet simply ate it.