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A member asked:
What are the differences between 500 mg niaspan (niacin extended-release) tablets and niacan you can buy otc?
6 doctors weighed in across 2 answers
Rate of action: niaspan is extended release, where as niacin otc is not. Some literature suggests risk of liver toxicity is lower with the extended release versions. I believe it's possible to obtain otc nicotinic acid. Ask the store
Answered 1/7/2015
3.5k views
NiaSpan (niacin).: NiaSpan (niacin) is a slow release variety, while the OTC Niacin versions are not - the latter tend to cause facial flushing and redness after use. There's a flush free OTC version which negates this symptom.
Answered 2/26/2015
3.2k views
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