Niacin is one form of vitamin B3. It can be found in many foods and also comes in supplement form. Niacin is used to treat various medical conditions. This vitamin can be a life-saver when needed, as it is often used to reduce high cholesterol. However, it can also be quite dangerous if misused. Eating foods that contain normal levels of niacin can have a protective effect. This vitamin increases the absorption of zinc, which is beneficial for the liver. Zinc deficiencies are often linked to cirrhosis.
However, niacin supplements often contain too much for most individuals. This can have a negative effect on the liver instead. Every year, patients frequently overdose on niacin, and many suffer permanent liver problems as a result. Niacin normally comes in three different formulas: immediate-release, extended-release, and sustained-release. While the sustained-release formula is the most toxic for the liver, the other two types can be toxic as well. This depends on the dose and how long patients take them.
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