What Is the Association Between Antioxidant Vitamins and Asthma

What Is the Association Between Antioxidant Vitamins and Asthma

What Is the Association between Antioxidant Vitamins and Asthma?

• Antioxidant vitamins neutralize free radicals in the bronchi and lung tissue and prevent oxidative damage–induced pulmonary inflammation.

• Blood levels of vitamin A and vitamin C are lower in asthma patients compared to healthy controls.

• Vitamin A can quench singlet oxygen, a reactive oxygen species that can induce bronchoconstriction. Supplementation with vitamin A alleviates the symptoms of bronchoconstriction in asthmatic patients.

• Vitamin C reduces exercise-induced bronchoconstriction, a condition that frequently occurs during sports activities. Supplementation with vitamin C at a dose of 500 mg before engaging in sports activities can reduce exercise-induced bronchoconstriction.

• Vitamin A and vitamin C. Forty clinical research papers studied the relationship between antioxidant vitamins and asthma. The meta- analysis confirmed that sufficient dietary intake of vitamin A and vitamin C significantly reduced the number and severity of asthmatic attacks.

Recommendation

Prevention. For children at risk of asthma, take daily 1,000 IU vitamin A (1), 80 mg vitamin C (10), and 400 IU vitamin D3 (11).

Prevention. For adults at risk of asthma, take daily 2,000 IU vitamin A (1), 200 mg vitamin C (10), and 800 IU vitamin D3 (11).

Treatment. For children with asthma, take daily 4,000 IU vitamin A (1), 300 mg vitamin C (10), and 1,000 IU vitamin D3 (11).

Treatment. For adults with asthma, take daily 5,000 IU vitamin A (1), 500 mg vitamin C (10), and 2,000 IU vitamin D3 (11).

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