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Side Effects of Flush-Free Niacin

Flush-free niacin is a supplement used to lower triglycerides and cholesterol, and it is also used to improve circulation. It is called "flush-free" because it does not cause the face or neck to become flushed when taking it, due to a rush of blood. Even though flush-free niacin helps to reduce fatty substances in the blood, it can still come with some side effects.

  1. Appetite

    • A side effect that can be seen with flush free niacin is a lack of appetite.

    Digestive System

    • The digestive system can also get affected by niacin. A symptom that can develop is diarrhea.

    Stomach

    • The stomach can become upset, nausea can develop and vomiting can also take place.

    Swelling

    • The face, lips, mouth and tongue can all swell up when taking flush-free niacin.

    Skin

    • The skin can show symptoms such as irritation, itchiness and rashes such as hives. The skin can also become yellow.

    Respiration

    • Breathing can become labored or there can be a shortness of breath which can also lead to feeling lightheaded.

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