Niacin
iHerb

21st Century Niacin Prolonged Release 110 Tablets

5,202 KRW
4.6 · 1,704 reviews
Listing confidence 97/100 · B

Listing confidence

Methodology
Grade B
97/100Method v2026.08
Retailer verification
25 / 25Retailer, direct purchase URL, brand and product identity
Label information
30 / 30Ingredient, amount per serving, frequency, quantity and dosage form
Product identity
15 / 15Verified product image and retailer image domain
Sales record
12 / 15Rating availability and review-count range
Data validation
15 / 15Price, amount, rating range and linked categories

This is not a score of product efficacy or safety.

Supplement facts

Serving size
1 Tablet
Servings per day
1
Niacin
25mg179% of daily reference

Daily reference 14mg · Upper limit 35mg

Price breakdown

per 100 mg
189 KRWRank 62 of 100 Niacin products
Cost per day
47 KRW
Supply
110 days
Total servings
110
Total amount
2,750mg

Product features

Potency
Standard
Dosage form
Tablet

This site organizes information from product listings. Verify the current label and terms on iHerb before buying.

5,202 KRWper 100 mg 189 KRW
View at iHerb