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Niacin User Reviews & Ratings (Page 5)

Brand names: Niaspan, Vitamin B3, B3-500-Gr, Niacin SR, Slo-Niacin, Endur-acin, B-3-50, Heliocare Advanced, Niacor NiaVasc HDL Benefit …show all brand names

Niacin has an average rating of 7.4 out of 10 from a total of 118 reviews on Drugs.com. 68% of reviewers reported a positive experience, while 20% reported a negative experience.

Reviews for Niacin

Commonly mentioned side effects
  • Hea...
  • Taken for less than 1 month
  • July 21, 2019

For Depression "Lowered my feelings of anxiety and depression, but raised my blood sugar to prediabetes levels. Make sure to monitor your blood glucose levels if you take niacin."

2 / 10
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53 Report
  • Fra...
  • August 4, 2017

For Depression "The real benefit of niacin is when you take very high doses and consistently. Keep them in your pocket."

10 / 10
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66 Report
  • Mr ...
  • Taken for 10 years or more
  • December 31, 2022

For Depression "I won't go into my story. Depressed, anxiety? Try 1000 mg of niacin a day for a couple weeks. If you do not feel better, stop taking it!"

9 / 10
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24 Report

Frequently asked questions

  • Rus...
  • September 18, 2021

For Depression "It really helps my depression and keeps me off the alcohol if I take it daily. It's a shame doctors don't use this B vitamin before all the terrible prescribed drugs."

10 / 10
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28 Report
  • Wae...
  • Taken for 1 to 6 months
  • February 23, 2019

For Depression "Didn't help in my case as I have chronic depression, started with 500 mg flush type up to 3 g per day, not helping I guess only thing I get flushy every day."

2 / 10
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33 Report

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  • Ari...
  • July 13, 2019

For Depression "For anyone who's taking niacin and getting the flush, please consider taking the non-flush niacin, 1,000 to 3,000 mg instead of the regular one."

6 / 10
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45 Report
  • bra...
  • Taken for 5 to 10 years
  • July 25, 2013

Niacin for High Cholesterol "My cholesterol has dropped 21 points since I started taking niacin. The only side effects I experience are flushing of the body (like prickly heat) and itching sensations."

10 / 10
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35 Report
  • Anonymous
  • February 23, 2012

For High Cholesterol "Lowered triglycerides by 50%. Severe muscle ache in legs. Discontinued."

7 / 10
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18 Report
  • Anonymous
  • June 24, 2009

Niacin for High Cholesterol "I've been on it for about 10 days now, and it seems to be working well."

8 / 10
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28 Report
  • Anonymous
  • September 25, 2011

Niacin for High Cholesterol "Lowered my cholesterol, but after 6 weeks, I had to discontinue due to hives."

1 / 10
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17 Report
  • Cyd...
  • Taken for 1 to 6 months
  • April 18, 2018

For Depression "No effect on my mood."

1 / 10
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19 Report
  • ang...
  • August 26, 2011

For High Cholesterol "The third dose I took affected me very negatively, as I broke out in hives and looked like I had a bad sunburn, and I was scratching like crazy."

1 / 10
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14 Report
  • der...
  • November 17, 2010

Niacin for High Cholesterol "I use the niacin regularly. My numbers show a slow moderation, my doctor is pleased. I do not use it at night, it disturbed my sleep. Thanks."

6 / 10
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13 Report
  • Anonymous
  • May 2, 2009

Niacin for High Cholesterol "Seemed to work okay for me."

8 / 10
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25 Report
  • JRa...
  • Taken for less than 1 month
  • February 16, 2020

For Depression "Niacin did nothing for my depression, even in larger doses."

1 / 10
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16 Report
  • Mic...
  • July 15, 2013

For Niacin Deficiency "I discontinued use due to nervousness/anxiety that I felt was caused by the niacin."

2 / 10
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5 Report
  • JRa...
  • Taken for less than 1 month
  • February 18, 2020

For Depression "Niacin has done zilch for me."

2 / 10
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14 Report
  • Feb...
  • Taken for 5 to 10 years
  • August 26, 2017

For Depression "How effective is niacin in treating depression? What dose is best? How long to treat?"

6 / 10
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13 Report

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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.