What are the side effects of Niacinamide? (Niacinamide) — Uses, Dosage, Side Effects & Safety

Drug class: Vitamin (Vitamin B3, Nicotinamide)

Overview

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Therapeutic uses

  • Pellagra
  • Acne vulgaris
  • Rosacea
  • Osteoarthritis

For related What are the side effects of Niacinamide? guidance, compare Osteoarthritis (OA): A Comprehensive Guide to Symptoms, Causes, and Treatment and Understanding the Side Effects of Niacinamide: A Comprehensive Guide.

Common side effects

  • Flushing (redness, warmth, itching, tingling)
  • Nausea
  • Vomiting
  • Diarrhea
  • Upset stomach
  • Headache
  • Dizziness
  • Liver problems (rare, with very high doses)

Frequently Asked Questions about What are the side effects of Niacinamide?

What is niacinamide used for?

Niacinamide is used to prevent and treat vitamin B3 deficiency (pellagra), and is also used in skin care for acne and improving skin barrier function.

Is niacinamide the same as niacin?

No, niacinamide and niacin are both forms of vitamin B3, but niacinamide does not cause skin flushing like niacin does.

Can I take niacinamide if I am pregnant or breastfeeding?

Consult your healthcare provider before taking niacinamide if you are pregnant or breastfeeding, as dosing needs may differ.

What are the side effects of niacinamide?

Common side effects include mild stomach upset, headache, and dizziness. Serious side effects are rare but may include liver problems or allergic reactions.

How should I take niacinamide?

Take as directed by your healthcare provider, usually with food. Do not exceed the recommended dose.

Can niacinamide interact with other medications?

Yes, niacinamide can interact with certain medications, including blood thinners and diabetes medicines. Always inform your doctor about all medications you are taking.

What should I do if I miss a dose?

Take the missed dose as soon as you remember, unless it is almost time for your next dose. Do not double the dose.

Educational information only. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.