When you find out what is in McDonald’s french fries, you will be disgusted!

McDonald’s fries contain over 10 ingredients. This is rather disturbing, because if you think about it, how many ingredients do you need in order to make fries?

Mythbusters conducted an experiment on this topic, in order to show the public how the fries are made. Grant Imahara visited a McDonald’s fry factory and tried to reverse-engineer the whole process.

The truth is that the fries that McDonald’s makes are far from what French fries are supposed to be.

Here is the list of ingredients that the McDonald’s French fries contain:

  • Potatoes
  • Soybean oil
  • Canola oil
  • Hydrogenated soybean oil
  • Hydrolyzed wheat
  • Natural beef flavor
  • Hydrolyzed milk
  • Dimethylpolysiloxane
  • Dextrose
  • Tertiary butyl hydroquinone (TBHQ)

These fries contain three offenders in the names of dimethylpolysiloxane, hydrogenated soybean oil and TBHQ.


TBHQ is actually a phenol that keeps the fries from going bad. The bad news is that this ingredient can also be found in bio-diesel.

Healthline says that the lab studies that have been performed on animals, show that TBHQ can lead to liver enlargement, convulsions, neurotoxic effects and paralysis.

This chemical has also been included on the black list of a diet that is dedicated to manage the hyperactivity disorder and attention deficit, called the Feingold diet. This means that ADHD patients should avoid it.


This is a dangerous ingredient that is packed with formaldehyde. This is extremely toxic and carcinogenic material.

Hydrogenated soybean oil

According to the experts, the fats that are contained in this oil are the far worse than saturated fats. The risks of ingesting hydrogenated soybean oil are:

  • Heart disease
  • Diabetes
  • Asthma
  • Weakened immune system
  • Cancer
  • Obesity
  • Reproductive problems
  • Bone degeneration

Dr. Mercola says that this oil is not healthy, because it contains omega 6 fats, and those fats have terrible effects on the body.

McDonald’s released a statement in which they said that they created a communication line, via online Q&A platform. This leaves us with hope that they will be more transparent and sincere about the ingredients that they use in their food.

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