










Mostly experimental
Limited human evidence for
many compounds
Experimental
Caution: may trigger inflammatory responses or mood swings
Enhancer
Useful in some contexts, e.g. for mood, but can be a stressor
Enhancer
Informative, but data ≠ action.
Try "data-free weeks"
Foundational
But high intensity may overload nervous system. Add Zone 1 and 2.
Foundational
...and it's broken.







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