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Niacinamide لـ Acne

A

A systematic review found topical niacinamide (4%) showed comparable efficacy to 1% clindamycin for acne. Oral nicotinamide supports sebum regulation and anti-inflammatory effects through NF-kB modulation.

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A

الخلاصة

A systematic review found topical niacinamide (4%) showed comparable efficacy to 1% clindamycin for acne. Oral nicotinamide supports sebum regulation and anti-inflammatory effects through NF-kB modulation.

Key Statistics

15

الدراسات

1200

المشاركون

Positive

A

التقييم

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

الجرعات الشائعة

general:
14-16 mg/day NE (RDA)
skinhealth:
500-1,500 mg/day oral nicotinamide

الحد الأعلى: 35 mg/day for niacin (flushing form); nicotinamide well-tolerated up to 3,000 mg/day

أفضل وقت للتناول: With meals; can be split into 2-3 doses

Safety & Side Effects

الآثار الجانبية المُبلّغ عنها

  • Generally well-tolerated (no flushing unlike niacin)
  • Mild gastrointestinal discomfort at high doses
  • Rare hepatotoxicity at very high doses (> 3,000 mg/day)

التفاعلات المعروفة

  • Anticonvulsants (carbamazepine — may increase niacinamide levels)
  • Hepatotoxic drugs (potential additive liver effect at high doses)
  • Isoniazid (competes for NAD+ pathways)

الحد الأقصى المسموح به: 35 mg/day for niacin (flushing form); nicotinamide well-tolerated up to 3,000 mg/day

استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.

Frequently Asked Questions

Does Niacinamide help with Acne?
Based on 15 studies with 1,200 participants, there is strong evidence from multiple clinical trials that Niacinamide may support Acne management. Our evidence grade is A (Strong Evidence).
How much Niacinamide should I take for Acne?
Studies have used various dosages. A commonly studied range is 14-16 mg/day NE (RDA). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Niacinamide?
Reported side effects may include Generally well-tolerated (no flushing unlike niacin), Mild gastrointestinal discomfort at high doses, Rare hepatotoxicity at very high doses (> 3,000 mg/day). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Niacinamide and Acne?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 15 peer-reviewed studies with 1,200 total participants. The overall direction of effect is positive.

Related Evidence

إخلاء مسؤولية FDA: لم تُقيَّم هذه البيانات من قبل إدارة الغذاء والدواء (FDA). لا تهدف المنتجات والمعلومات الواردة في هذا الموقع إلى تشخيص أو علاج أو شفاء أو الوقاية من أي مرض. تستند تقييمات الأدلة المعروضة إلى تحليلنا للأبحاث المحكّمة المنشورة ولا تُشكّل نصيحة طبية. استشر مقدم الرعاية الصحية دائماً قبل البدء بأي نظام مكملات.