Cold-Pressed vs Refined Oils

FeatureCold-Pressed OilsRefined Oils
Extraction MethodMechanical pressingChemical & heat processing
TemperatureLow (below 50°C)High (up to 200–250°C)
Use of ChemicalsNoneYes (hexane, bleaching agents)
VitaminsNaturally rich in Vitamins E, A & K (varies by oil)Mostly destroyed; sometimes synthetically added
Nutritional ValueHighSignificantly reduced
AntioxidantsRetainedMostly destroyed
Flavor & AromaNatural & richNeutral
Shelf LifeShorterLonger
Smoke PointModerateHigher
DigestibilityEasy on the stomachCan be heavy
Health ImpactSupports long-term wellnessLinked to lifestyle diseases