Why taking vitamin C can cause insomnia?

Vitamin C is an essential nutrient that brings many health benefits such as preventing vision loss in the elderly, strengthening the immune system. However, the improper use of vitamin C can cause many risks, one of which is taking vitamin C to lose sleep.

Vitamin C is a nutrient that participates in the formation of blood vessels, cartilage, muscle and collagen in bones as well as the process of antibody formation, improving resistance. In addition, some positive benefits of getting enough vitamin C include:
Enhances absorption of iron and minerals Prevents age-related vision loss and macular degeneration Strengthens the body's immune system Prevents prevent infections of the sinuses, airways, respiratory tract Beautify the skin and prevent sunburn Reduces skin redness Enhances the effectiveness of physical activities, sports, Prevents skin aging Reduces the amount of protein in the water Although the body cannot produce vitamin C on its own, it is very important to get vitamin C from the diet. Vitamin C is usually abundantly present in berries, citrus fruits, tomatoes, cabbage, spinach, broccoli or can be supplemented in oral tablet form.

Besides the diet, many people choose to take effervescent tablets or capsules containing vitamin C to supplement this nutrient for the body. However, the body can only absorb a certain amount of vitamin C each day, about 50-100mg. If you take too much vitamin C about 2000mg/day, it can cause insomnia because excess vitamin C interferes with the absorption and deposition of nutrients. In addition, vitamin C has high stimulant properties that can also cause euphoria and have a strong impact on sleep quality. Typically leading to sleep disorders, insomnia, difficulty sleeping or not sleeping well. In addition to insomnia when overdosed, vitamin C can also cause other side effects such as:
Nausea, heartburn, stomach cramps, digestive disorders Fatigue, headache Excess iron oxalate stones Decreased erythrocyte durability Cystitis, urinary tract inflammation Decreased bactericidal ability of white blood cells

As mentioned, taking vitamin C causes insomnia often due to an overdose or too much vitamin C the body is able to absorb in a day. So to both ensure adequate vitamin C for the body and avoid insomnia, you can refer to the following measures:
Do not add too much vitamin C at the same time but should be divided into 3-4 times Drink/day at different times Avoid taking vitamin C at night before going to bed, because it can cause stimulation, excitement leading to insomnia. Vitamin C should be taken after meals, because this is the time when nutrients can quickly penetrate the stomach and intestinal wall. If taken before meals, most vitamin C will be excreted and go out, not promoting its full effect. It is best to take vitamin C between 9-10 am, when the digestive system is most active. In order for vitamin C to be beneficial for the body, the supplement needs to be correct, in the right dose and time. Therefore, once you know the mechanism of action of vitamin C for your body, you should consult and implement it from today.