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17 Οκτ 2024 · Still, taking high-dose niacin supplements can cause side effects, including: Abdominal pain, heartburn and nausea. Blurred vision. Hypotension (low blood pressure), which can lead to fainting or ...
18 Μαΐ 2024 · However, supplemental doses can have various side effects, including nausea, vomiting, and liver toxicity.
22 Μαΐ 2024 · For example, a dose between 2,000 and 6,000 milligrams of niacin a day can cause serious side effects. Symptoms of a niacin overdose include: Rapid heartbeat; Severe skin flushing...
6 Μαρ 2024 · Niacin is found in many foods, including red meat, fish, brown rice, and bananas, as well as fortified cereals and breads. If niacin is consumed in high doses through supplements, it can lead to toxicity which can potentially cause digestive symptoms like nausea, vomiting, and even liver damage.
10 Αυγ 2023 · Serious side effects are most likely if you take between 2,000 to 6,000 mg of niacin a day. If you think you might have overdosed on niacin, seek medical attention immediately. If you have liver disease, peptic ulcer disease or severe low blood pressure (hypotension), don't take large amounts of niacin.
21 Φεβ 2019 · The amount of vitamin B-3 found in food does not cause side effects. However, taking high doses of vitamin B-3 as a supplement can result in adverse effects.
Niacin (Vit B3) overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.