How antioxidants work
Start
Free radicals are unstable molecules that are highly reactive. When free radicals interact with DNA, proteins, or lipids, they can cause damage.
Free Radicals
What problems do they cause?
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Free Radicals
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The imbalance of free radicals and antioxidants.
Oxidative Stress
When there are more free radicals than antioxidants this is called oxidative stress. This means that free radicals can damage cells, specifically the cell’s DNA, proteins, and lipids.
What is it?
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Oxidative Stress
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Antioxidants neutralize (quench) free radicals. Antioxidants are substances that protect cells, DNA, lipids, and proteins from damage caused by free radicals.
Antioxidants
What are they?
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Antioxidants
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Vitamin E’s main role is as an antioxidant.
VITAMIN E
Vitamin E can neutralize free radicals to help prevent oxidative stress and damage to cells.
By preventing damage to cells, antioxidant can slow the effects of aging and decrease the risk of diseases, such as heart disease, cancer, and macular degeneration (eye condition affecting vision).
Vitamin E
What is the health benefit?
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Click here
How antioxidants work
Chris Dob
Created on October 16, 2025
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Transcript
How antioxidants work
Start
Free radicals are unstable molecules that are highly reactive. When free radicals interact with DNA, proteins, or lipids, they can cause damage.
Free Radicals
What problems do they cause?
Try to guess, then click here to see the answer. Click the arrows above to move to the next slide.
Click here!
Free Radicals
Click here for a visual representation .
Click the arrow above to move to the next slide.
The imbalance of free radicals and antioxidants.
Oxidative Stress
When there are more free radicals than antioxidants this is called oxidative stress. This means that free radicals can damage cells, specifically the cell’s DNA, proteins, and lipids.
What is it?
Try to guess, then click here to see the answer. Click the arrows above to move to the next slide.
Oxidative Stress
Click here for a visual representation.
Click the arrow above to move to the next slide.
Click here!
Antioxidants neutralize (quench) free radicals. Antioxidants are substances that protect cells, DNA, lipids, and proteins from damage caused by free radicals.
Antioxidants
What are they?
Try to guess, then click here to see the answer. Click the arrows above to move to the next slide.
Click here!
Antioxidants
Click here for a visual representation .
Click the arrow above to move to the next slide.
Vitamin E’s main role is as an antioxidant.
VITAMIN E
Vitamin E can neutralize free radicals to help prevent oxidative stress and damage to cells.
By preventing damage to cells, antioxidant can slow the effects of aging and decrease the risk of diseases, such as heart disease, cancer, and macular degeneration (eye condition affecting vision).
Vitamin E
What is the health benefit?
Try to guess, then click here to see the answer. Click the arrows above to move to the next slide.
Click here