PreserVision AREDS 2 Eye Vitamin & Mineral Supplement, Contains Lutein, Vitamin C, Zeaxanthin, Zinc & Vitamin E, 120 Softgels (Packaging May Vary)
$35.99 (as of December 21, 2024 07:22 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Vitamin C, also known as ascorbic acid, is an essential nutrient for humans and many animals. It is a water-soluble vitamin that is vital for the synthesis of collagen, a protein that is necessary for the construction of blood vessels, cartilage, muscle, and collagen in bones. Vitamin C is also a potent antioxidant, which means it helps protect cells from the damage caused by free radicals—molecules produced when your body breaks down food or when you’re exposed to tobacco smoke and radiation from the sun, X-rays or other sources. Unlike most animals, humans cannot synthesize vitamin C endogenously, which means it must be received through diet or supplementation.
Vitamin C is found in various foods, including fruits and vegetables, particularly citrus fruits like oranges and lemons, strawberries, bell peppers, spinach, kale, and broccoli. The body cannot store vitamin C, so it must be consumed regularly to maintain adequate levels. While it can be synthesized in a laboratory for supplements, natural sources of vitamin C are the preferred means of obtaining this vital nutrient because they provide additional beneficial compounds such as flavonoids that enhance its antioxidant activity.
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The health benefits of vitamin C are numerous. It plays a critical role in the immune system by supporting various cellular functions of both the innate and adaptive immune system. Vitamin C enhances the skin’s defense system and accelerates the wound healing process. It also aids in the absorption of iron from plant-based foods and helps the immune system work properly to protect the body from disease. Furthermore, the antioxidant properties of vitamin C help fight against oxidative stress, which is linked to many chronic diseases.
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A deficiency in vitamin C can lead to scurvy, a disease characterized by anemia, bleeding gums, bruising, and poor wound healing. On the other hand, adequate vitamin C intake through diet or supplements can help prevent or treat certain conditions. It is commonly used to reduce the symptoms of the common cold. Research also suggests that vitamin C may reduce the risk of chronic diseases such as heart disease, stroke, and certain types of cancer. However, it’s important to note that while vitamin C supplementation can support health, it is not a cure-all and should be part of a balanced diet and healthy lifestyle.
Citations:
1. Davis, J., Paris, H. L., Beals, J. W., et al. (2016). Liposomal-encapsulated Ascorbic Acid: Influence on Vitamin C Bioavailability and Capacity to Protect Against Ischemia–Reperfusion Injury. [Nutrition and Metabolic Insights, 9, NMI.S39764].
2. Shahbaz, U., Fatima, N., Basharat, S., et al. (2022). Role of vitamin C in preventing of COVID-19 infection, progression and severity. [AIMS Microbiology, 8(1), 10.3934/microbiol.2022010].
3. Miranda-Massari, J. R., Toro, A. P., Loh, D., et al. (2021). The Effects of Vitamin C on the Multiple Pathophysiological Stages of COVID-19. [Life, 11(12), 1341].
