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⚡ Unlock your brainpower and energy—one tiny tablet at a time!
21st Century Vitamin B-12 1000 mcg Prolonged Release Tablets provide a potent, sustained dose of essential B12 to support energy metabolism, neurological health, and red blood cell formation. With 110 easy-to-swallow tablets, this gluten-free formula ensures over three months of consistent, clean supplementation designed for busy professionals seeking mental clarity and all-day vitality.













| ASIN | B0007PQARK |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #13,659 in Health & Household ( See Top 100 in Health & Household ) #76 in Vitamin B12 Supplements #1,236 in Sales & Deals |
| Brand | 21st Century |
| Brand Name | 21st Century |
| Color | No Color |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 996 Reviews |
| Diet Type | Gluten Free |
| Dosage Form | Tablet |
| Dose Release Method | Immediate Release |
| Flavor | Unflavored |
| Global Trade Identification Number | 00740985211045 |
| Item Dimensions | 2.38 x 1.75 x 3.75 inches |
| Item Form | Tablet |
| Item Highlight | Vitamin B12 1000 mcg Prolonged-Release Tablets to Support Natural Energy, Gluten Free Daily Vitamin |
| Item Weight | 55 g |
| Manufacturer | 21st Century |
| Manufacturer Part Number | 21104 |
| Model Name | 21104 |
| Model Number | 21104 |
| Number of Items | 1 |
| Pill Coating | Uncoated |
| Primary Supplement Type | Vitamin B12 |
| Product Benefits | Metabolism Improvement |
| Special Ingredients | Supports Nerve &Blood Cells. Suppor Energy & Metabloism. |
| Specific Uses For Product | Nerve |
| Supplement Formulation | Multi-Supplement |
| UPC | 740985211045 |
| Unit Count | 110 Count |
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