Vitamin B12
iHerb
21st Century B 12 Prolonged Release 1 000 mcg 110 Tablets
9,012 KRW
Listing confidence 99/100 · AListing confidence
Methodology- Grade A
- 99/100Method 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
- 14 / 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
- Vitamin B12
- 1,000mcg41,667% of daily reference
Daily reference 2.4mcg · Upper limit 1,000,000mcg
Price breakdown
- per 1 mg
- 82 KRWRank 29 of 100 Vitamin B12 products
- Cost per day
- 82 KRW
- Supply
- 110 days
- Total servings
- 110
- Total amount
- 110,000mcg
Product features
- Potency
- Ultra high potency
- Dosage form
- Tablet
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