Prakash Reddy Prakash Reddy Asked 7 months ago

Is niacin bad for your liver?

My doctor suggested I take a niacin supplement to help manage my cholesterol levels. However, I read online that high doses of niacin can be bad for your liver. Is it true that niacin can cause liver damage?

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5 answers

Kriti Malhotra Kriti Malhotra Joined May 2026 5 months ago
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I remember crying in the doctor's clinic when my liver enzymes came back high after I started taking high-dose over-the-counter niacin for cholesterol. It is so scary when you think you are doing something healthy and it backfires. Please be careful with supplements, they can really stress your body out.

Vijay Rathi Vijay Rathi Joined Apr 2026 7 months ago

Dealing with high blood pressure and cholesterol has taught me that everything we consume goes through the liver. High doses of niacin can definitely cause liver toxicity, which is why regular liver function tests are necessary. Instead of relying only on heavy supplements, focusing on daily walks and low-salt food is much safer.

Sandeep Sangwan Sandeep Sangwan Joined Apr 2026 6 months ago

Look boss, taking normal niacin from food is absolutely fine, but buying those high-mg supplements online without asking a doc is foolishness. Too much niacin can easily damage your liver. Just get a simple blood test done and show it to a proper doctor before starting anything.

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Consult a gastroenterologist

Sunita Rao Sunita Rao Joined Mar 2026 7 months ago

In our experience, artificial vitamin supplements in high concentrations put a lot of load on our internal organs like the liver. It is always gentler to get our nutrients naturally from a balanced diet and keep our organs active through light yoga and kapalbhati. Do consult your physician before choosing high-dose capsules.

Abhishek Banerjee Abhishek Banerjee Joined May 2026 5 months ago

I actually had to stop my high-dose niacin treatment because my liver enzymes started acting up during a routine health check. Thankfully, my liver values returned to normal once I discontinued it under my doctor's supervision. If you are taking it, make sure you keep an eye on your LFT reports.

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