Antioxidants are both naturally occurring and synthetic. Natural free radicals are found in many of the foods we eat every day. Especially fruits and vegetables that are rich in high amounts of antioxidants. As for the antioxidants that humans synthesize. They are in the form of dietary supplements or ingredients added to various food products. Nutrients that are high sources of antioxidants are as follows:

• Beta -carotene and vitamin A are found in yellow and orange vegetables and fruits such as carrots, pumpkin, papaya, ripe mango, tomatoes, kale, and gourd UFABET 
• Lutein and Zeaxanthin are found in foods such as kale, spinach, broccoli, corn, and green peas.
• Lycopene is found in red fruits and vegetables such as tomatoes, watermelons, and apricots.
• Selenium is found in foods such as red meat, tuna, liver, eggs, and spinach .
• Vitamin C  is found in abundance in fruits such as guava and oranges. 
• Vitamin E  is found in a variety of foods, such as nuts, seeds, green leafy vegetables, fruits, meat, eggs, wheat germ, whole-wheat bread, whole-grain cereals.

What are free radicals caused by?

Free radicals in the body can occur from various processes in the body, such as burning sugar for energy. Releasing enzymes to digest food or exercise, etc. In addition, external factors are another cause. The body may be exposed to substances containing a large amount of free radicals or such substances may stimulate the body’s cells to produce more free radicals, for example:

• Exposure to various rays such as UV rays, X-ray rays High energy electromagnetic waves
• inhaling cigarette smoke
• Environmental pollutants such as heavy metals
• Eating food that is grilled or grilled until charred
• Chemicals from industry
• Ozone gas is used in industry and home appliances.