Lastly, because of fiber's low digestibility, it provides little or no food energy and does not significantly impact glucose and insulin levels.

Ceramide is a lipid molecule naturally present in the cell's plasma membrane and controls cell functions, including cell aging, or senescence.

Interventions with less evidence, but still possibly beneficial, include calcium, dopamine, norepinephrine, 4-aminopyridine (where available), and lipid emulsion therapy.