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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