

Antioxidants

Antioxidants are compounds that protect the body from free radicals. Free radicals are unstable atoms that cause cellular damage known as oxidative stress. Oxidative stress is the underlying cause of many chronic health problems like aging, cardiovascular disease, anemia, and cancer.
Vitamin C and vitamin E are among the most important vitamins and are potent natural antioxidants. Natural antioxidants are mostly found in plant sources. Fruits and vegetables that are red, orange, and blue have the highest antioxidant activity. Other natural antioxidants are beta-carotene, lycopene, selenium, flavonoids
Antioxidants increase shelf life of foods (and people!). Manufactures add antioxidants, like vitamin C (ascorbic acid), as food additives.
Benefits
Anti-aging (limits the process of growing old)
Anticancer (inhibits growth of cancer)
Anti-Inflammatory (controls inflammation)
Antioxidant (protects against oxidation)
Protects against many types of diseases
Protects eye health
Protects brain function
Improves mental health
Keeps skin healthy
Improves gut health
Causes of Deficiency
Air pollution, cigarette smoke, toxins, high blood sugar levels, bacterial, fungal, and viral infections, too much or too little oxygen in the body, intense or prolonged exercise, asbestos
Symptoms of Deficiency
Increased oxidative stress, inflammation, cancer, cardiovascular disease, hypertension, congestive heart failure, neurological disease like Alzheimer's, Parkinson's disease, COPD, rheumatoid arthritis, renal disease, eye disease, including cataracts
Drugs That Deplete
Doxorubicin (antineoplastic), Azidothymidine (antiretroviral), Cisplatin (antineoplastic), Diclofenac (anti-inflammatory), Paracetamol (analgesia), Chlorpromazine (antipsychotic)
Natural Sources
Oranges, lemons, blueberries, strawberries, plums, prunes, grapes, red beans, broccoli flowers, tomato, green tea, coffee, chocolate, meat, fish
Caution
None
Resources
1) Zehiroglu, C., & Sarikaya, S. B. O. (2019). The importance of antioxidants and place in today’s scientific and technological studies. Journal of Food Science and Technology, 56(11), 4757–4774. https://doi.org/10.1007/s13197-019-03952-x
2) BSc, A. A., PhD. (2023, July 12). Antioxidants explained in simple terms. Healthline. https://www.healthline.com/nutrition/antioxidants-explained#free-radicals
3) Janciauskiene, S. (2020). The beneficial effects of antioxidants in health and diseases. Chronic Obstructive Pulmonary Diseases Journal of the COPD Foundation, 7(3), 182–202. https://doi.org/10.15326/jcopdf.7.3.2019.0152
4) Pham-Huy, L. A., He, H., & Pham-Huy, C. (2008, June 1). Free radicals, antioxidants in disease and health. https://pmc.ncbi.nlm.nih.gov/articles/PMC3614697/#sec5
5) Deavall, D. G., Martin, E. A., Horner, J. M., & Roberts, R. (2012). Drug-Induced Oxidative stress and toxicity. Journal of Toxicology, 2012, 1–13. https://doi.org/10.1155/2012/645460
6) Kahn, J. (2022, August 26). Nine benefits of antioxidants: From disease prevention to healthy aging. Live Science. https://www.livescience.com/benefits-of-antioxidants
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