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Antioxidants Journal

Antioxidants: A Comprehensive Guide

What Are Antioxidants?

Antioxidants are molecules that protect cells from damage caused by free radicals, which are unstable molecules that can damage cell DNA, proteins, and lipids.

Types of Antioxidants

Endogenous Antioxidants

  • Glutathione
  • Superoxide dismutase
  • Catalase

Exogenous Antioxidants

  • Vitamin C
  • Vitamin E
  • Beta-carotene

Benefits of Antioxidants

Antioxidants have been linked to reduced risk of various chronic diseases, including:

  • Heart disease
  • Cancer
  • Alzheimer's disease
  • Macular degeneration

Dietary Sources of Antioxidants

Antioxidants are found in various fruits, vegetables, nuts, seeds, and whole grains.

  • Berries: blueberries, strawberries, raspberries
  • Citrus fruits: oranges, grapefruits, lemons
  • Leafy green vegetables: kale, spinach, broccoli
  • Nuts: almonds, walnuts, pecans
  • Seeds: chia seeds, flaxseeds, sunflower seeds

Supplements vs. Diet

While a balanced diet is the best way to obtain antioxidants, supplements may be necessary in some cases. Consulting a healthcare professional is recommended before taking supplements.

Conclusion

Antioxidants play a crucial role in protecting against chronic diseases by neutralizing harmful free radicals. Incorporating antioxidant-rich foods into your diet and considering supplements if necessary can help optimize your health and well-being.


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