Does drinking orange juice increase resistance?

From time immemorial, orange is a fruit known for its many health benefits. You can drink orange juice to increase resistance and improve body functions. This is because orange juice contains a large amount of fiber, vitamins, folate and a variety of powerful antioxidants. According to Doctor Nguyen Van Tien (National Institute of Nutrition) said, the content of micro-minerals and minerals in 100g of oranges usually includes:
34mg of calcium. 23mg phosphorus. 0.4mg iron. 40mg vitamin C. 0.22mg zinc. 30 μg folate. 0.18μg vitamin E. 8μg vitamin A. 29μg β-carotene. Thanks to the nutrient-rich ingredient list, drinking orange juice in moderation can help you increase your resistance during the epidemic season, and at the same time achieve some other typical health benefits as follows:
Helps improve function immune system, which helps reduce inflammation thanks to the powerful antioxidant effect of vitamin C in orange juice. Promotes collagen production with the addition of vitamin C from orange juice, which helps to maintain and improve healthy skin. It prevents harmful substances from entering the body through the skin. Moreover, vitamin C in orange juice also contributes to speeding up the wound healing process. Not only does drinking orange juice increase resistance, but it also helps improve the function of immune cells and phagocytosis to fight harmful particles and bacteria. Drinking fresh orange juice in moderation helps support the growth and circulation of lymphocytes - immune cells in the body. Thereby attacking harmful substances or foreign substances that cause reactions in the blood. Some studies have found that the amount of vitamin C in orange juice can affect the virus that causes the common cold. Although drinking orange juice won't cure a cold, it can help you get over the illness faster and reduce the severity of your symptoms.
In addition, there is some evidence that people taking high doses of vitamin C or intravenously can reduce symptoms of pneumonia - one of the serious respiratory diseases caused by the H1N1 influenza virus. or some other virus. However, these doses are all much higher than the recommended daily intake of vitamin C. Moreover, doctors also recommend not to consume this vitamin C in high doses, including orally. The overdose of vitamin C can lead to dangerous side effects such as diarrhea, nausea, vomiting, stomach pain, ...

Although orange juice can bring a host of health benefits, especially for resistance, should you drink orange juice every day? According to the recommendations of nutritionists, you should only drink orange juice in moderation and avoid using it too often every day. The reason, in orange juice contains acids, when you consume them in excess can cause enamel to continuously erode. This condition, if continued for a long time, can lead to tooth sensitivity and reduce the quality of enamel.
Drinking orange juice increases resistance and is good for people with weak health, but patients with diabetes should note to avoid consuming this drink too often, because orange juice still contains a certain amount of sugar. When overusing orange juice, diabetics can experience symptoms such as a rapid increase in blood sugar and a number of other health consequences.
Not only that, many people also have the habit of adding sugar to orange juice when drinking to soften the sour taste. However, this can increase the risk of joint pain or arthritis, especially for patients with joint problems.

To help achieve the benefits of drinking orange juice to increase resistance and improve symptoms of many diseases, you should pay attention to the dosage as well as the best time to enjoy this nutritious drink. Specifically:
According to the recommendations of leading experts in the field of nutrition, the best time to drink water to promote health is from 1-2 hours after breakfast / lunch. Fresh orange juice after squeezing should be drunk immediately, because if left outside in the air for a long time, it will easily lose all nutrients, especially vitamin C. You should only drink about 200ml of orange juice / day, equivalent to 1 cup / day. According to research results, the vitamin C content in 200ml of fresh orange juice is about 60mg, meeting 100% of the vitamin C needs that the adult body needs to load for a day. Therefore, you should not drink more than 200ml of orange juice in a day, because it can easily lead to an excess of vitamin C and cause unnecessary side effects. For pregnant women, the amount of vitamin C needed during the day is 80mg, so you can increase the amount of orange juice you drink in a day. However, it should be divided into small portions instead of drinking too much at once. For children should only drink about half an orange / day is enough vitamin C needs for the body. For patients with fever, you can drink orange juice to increase resistance and help regulate body functions to help fight fever-causing agents, and at the same time eliminate toxins that trigger fever. body. In addition, these subjects can also add orange juice to regulate temperature, help cut fever faster, promote digestive system to work better, prevent anemia, help provide electrolytes and water. disappears with fever.

According to experts, fresh orange juice is very good for the body, but if used at the following times, it can be "beneficial and harmful" and lead to bad health risks, specifically:
Drink orange juice on an empty stomach: If you consume orange juice on an empty stomach, the acid in the drink will combine with the acid in the stomach and cause stomach pain. If you maintain this habit regularly, you will have a high risk of stomach ulcers. Drink orange juice right after having a full meal: Many people make the mistake of drinking orange juice right after they are full. This way of drinking is unscientific, not only is not beneficial for the digestive system, but also easily leads to conditions such as indigestion or bloating. In addition, the amount of sugar in orange juice can also affect and inhibit the digestion of the food you have previously loaded into the body. Drinking orange juice at night before going to bed: Orange juice has the ability to create new fluid, diuretic and easily increase the frequency of nocturia, leading to sleep disruption. Besides, when drinking orange juice late at night, the amount of acid can stick to the teeth, then attack and damage the enamel. Drink orange juice with milk: The protein in milk can react with vitamin C and tartaric acid in orange juice when you take the two together. This can greatly affect the function of the digestive system, causing symptoms such as diarrhea, abdominal pain, bloating, ...

Orange juice is not a suitable option for everyone, because it can sometimes be potentially harmful to some people with certain medical conditions. Specifically:
People with stomach ulcers, pancreatitis or duodenal ulcers need to limit their consumption of orange juice. Regular consumption of orange juice can increase the acidity of the stomach in these patients, which can easily cause heartburn and aggravate ulcers. People with kidney disease need to be careful when drinking orange juice because the abundant vitamin C in this drink can increase the metabolism of oxalic acid in the body. If you drink too much orange juice, your body can easily develop and form kidney stones or urinary stones. People who are taking medicine to treat the disease, especially antibiotics, are also advised to avoid drinking orange juice with the medicine. This combination can damage the chemical structure and reduce the effectiveness of the treatment drug, easily leading to the phenomenon of long-term drug use but long-term cure. Thus, drinking orange juice increases the body's resistance. However, you should not abuse it, but only use it in a reasonable dose so that the nutrients in orange juice work best.
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