Niacin
iHerb

Source Naturals Niacinamide B 3 1 500 mg 100 Tablets

16,992 KRW
4.6 · 1,221 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
1,500mg10,714% of daily reference

Daily reference 14mg · Upper limit 35mg — this product exceeds the listed upper limit

Price breakdown

per 100 mg
11 KRWRank 2 of 100 Niacin products
Cost per day
170 KRW
Supply
100 days
Total servings
100
Total amount
150,000mg

Product features

Potency
Ultra high potency
Dosage form
Tablet

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

16,992 KRWper 100 mg 11 KRW
View at iHerb