The human body needs vitamins greatly, as it gives it the necessary elements to deal with various diseases and health problems, including vitamin “B3”, as it enhances brain function, participates in diabetes treatments and lowering pressure, in addition to its role in improving and reducing blood fats, despite its importance It must be obtained medically, as excessive doses can cause a reaction known as cystic maculopathy, a form of retinal swelling that usually leads to vision loss.
Vitamin effect B3 on the retina
- A study was conducted at the New York Eye and Ear Infirmary, and it was discovered that consuming a large amount of vitamin B3 might be associated with a problem in a type of eye cell, and may cause swelling of the retina and possibly loss of vision.
- The team examined patients with very poor vision in both eyes, who had a history of severe high blood pressure, high levels of fats in the blood, and increased vitamin intake.
- The researchers concluded that the patient relied heavily on daily vitamin B3 supplements over a period of months to reduce the risk of heart disease.
- By examining and following up the extent of treatment response, it was established that the patient had cystic maculopathy due to B3, which led to severe visual impairment that tended to blindness, so it should be taken according to the doctor’s instructions without exceeding the maximum dose of 3 grams per day.
Vitamin rich foods B3
It turns out that vitamin B3 can be obtained from food sources, as the body may make it and use it to convert food into energy, which helps maintain the health of the nervous system and digestive system, among these foods are the following:
- liver.
- chicken.
- dried legumes.