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Dangerous Oils: Why Vegetable Oils and Margarine Are Bad News

Vegetable oils, Canola Oil and Margarine are bad news…

They’re marketed as healthy fats, so it’s difficult to comprehend that these ‘healthy’ oil and spread alternatives, are actually pretty darn harmful to us.

Let us set the scene…

There has been so much published on fat, but here are the key concepts worth noting:

  • Saturated fat does not ‘cause’ heart disease
  • Eating dietary fat does not make you fat
  • The average diet contains too much pro-inflammatory omega 6
  • The average diet does not contain enough omega 3
  • There’s more to cholesterol and heart disease than “total cholesterol”
  • Manufactured trans fats are bad for you and linked to numerous diseases
  • Partially hydrogenated oils are no longer regarded as safe and as of January 2020, are now banned by the FDA in food production.

Dangerous Oils

Now, let’s get back to vegetable oils and margarine; these products are hydrogenated. A process first developed in 1909, patented by Procter & Gamble and then further refined as ‘partial hydrogenation’ after World War II. In 2015, the FDA determined that ‘partially hydrogenated oils’ are no longer recognised as safe – New York City was one of the first to ban them.

If that doesn’t scream out bad news to you… we’re in trouble.

The hydrogenation process creates a packable ‘plastic’ fat with a much higher melting temperature and a considerably extended product shelf life. They contain a high amount of trans-fat, and the unsaturated fats found in vegetable oils is prone to oxidation, causing inflammation. What makes these oils insidious is how the oil is tested for trans-fat. This occurs before the hydrogenation process. The testing is responsible for much of the oil’s increase in trans-fat. The fatty acids become unpaired and turn into free radicals in the body.

Cutting out these oils and food products is very simple.


To make it even more simple for you, here are you DONT’S and DO’s.


  • Soybean oil
  • Canola oil
  • Cottonseed oil
  • Rapeseed oil
  • Corn oil
  • Margarine – or variations like Olive Spread


  • Coconut oil
  • Olive oil
  • Butter
  • Ghee
  • Lard

To round this up, remember, fats ARE good for you, please don’t avoid them, just avoid the ones that are harmful to you. If you would like more help with optimising your health, contact us today.

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