Research has linked omega-3 oil, available as an over-the-counter nutritional supplement, to cardiovascular health, and it also appears to improve mood and cognitive function.

A multitude of separations are accomplished by distillation, but its most important and primary function in the refinery is its use for the separation of crude oil into component fractions.

Sage oil has been shown by some studies to boost acetylcholine levels in the brain, improving memory function.