A cataract is the hardening and clouding of the natural lens inside your eye. This process typically occurs in older adults and results from the break down of the proteins that make up this lens. Some people turn to supplements hoping these herbs or nutrients will prevent or slow down cataract growth. Knowing the effects of supplements such as glucosamine and chondroitin will help you talk with your doctor about which supplements may offer the best protection.
Glucosamine
Your body naturally produces glucosamine, a component that helps build the cartilage between the joints throughout your body. Despite the important role of glucosamine in your joints, glucosamine does not have any known benefit in treating or protecting your eyes from cataracts. Each person has different needs, and if you and your doctor determine that glucosamine may offer some benefits, your doctor will tell you of any risks that may come with glucosamine supplements. She will also inform you as to how much glucosamine you should take each day.
Chondroitin
Chondroitin has a function similar to glucosamine's since both of these components help make up the cartilage between your joints. Research has not determined any links between chondroitin and cataract prevention and treatment. If you and your doctor decide that chondroitin could provide useful benefits to your eyes, she will tell you how much chondroitin to take each day.
Beneficial Nutrients
Glucosamine and chondroitin may not provide benefits toward protecting your eyes from cataracts, but certain nutrients may help slow down their formation. Lutein is one beneficial nutrient, and you can find this in many food sources including spinach, kale and chard. Vitamin C may also help protect your eyes against cataracts. Foods rich in vitamin C include oranges, strawberries, bananas and spinach. Additionally, zinc may help to prevent cataract growth, and food sources rich in this nutrient include oysters, salmon and eggs. In general, a healthful diet, rich in a variety of nutrients, will help you maintain healthy eyes.
Considerations
Before adding a supplement or making significant dietary changes, you should discuss the changes with your doctor. She will help you determine the amount of each nutrient you need to maintain a healthy body and promote eye health. Your doctor can also inform you of any foods you should avoid or nutrients you should eat in limited quantities. These needs may come from possible interactions with medications or health problems you have.
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