Grapeseed oil has been growing in popularity over the past few decades. It’s often promoted as healthy due to its high amounts of polyunsaturated fat and vitamin E. Marketers claim it has all sorts of health benefits, including lowering your blood cholesterol levels and reducing your risk of heart disease.
The Healthiest Oil for Deep Frying Deep-fried foods play a role in many traditional cuisines and are a staple of the fast food industry. However, deep-fried foods can have a negative effect on health. This will depend partly on how often you eat it, but also on the type of oil you use and how you use it.