| B12 100 mcg | 2158894 Ontario Inc. | 100 mcg | Canada | Tablets |
| B12 25 mcg | 2158894 Ontario Inc. | 25 mcg | Canada | Tablets |
| B12 250 mcg | 2158894 Ontario Inc. | 250 mcg | Canada | Tablets |
| B12 50 mcg | 2158894 Ontario Inc. | 50 mcg | Canada | Tablets |
| C'LOVES Methylcobalamin 500mcg Tablet | AESTHESUISSE SDN BHD | 500 mcg | Malaysia | Tablets |
| HEALIVING SUPPLIES DMB-Protecta Caplet | AESTHESUISSE SDN BHD | 500 mcg | Malaysia | Tablets |
| Vitamin B12 25mcgTablets | Alison Pharmaceutical Manufacturing Inc. | 25 mcg | Canada | Tablets |
| Vitamin B12 500 mcg | AN Amazing Nutrition Amazing Formulas | 500 mcg | United States | Tablets |
| Organic Super Greens Energizer | Ancient Nutrition | 12 mcg | United States | Tablets |
| Vitamin B 12 (Methylcobalamin) | Assured Natural Distribution Inc. | 1,000 mcg | Canada | Tablets |
| Absorb-B12 sublingual | BioAbsorb Nutraceuticals | 1,000 mcg | Canada | Tablets |
| Sublingual B12 Methylcobalamin | Bioclinic Naturals Inc. | 1,000 mcg | Canada | Tablets |
| BiOFIZZ Methylcobalamin 500mcg Tablet | BiOFIZZ | 500 mcg | Malaysia | Tablets |
| BioHealth Vitamin B12 (Cyanocobalamin) 1000 mcg | BioHealth Labs Inc. | 1,000 mcg | Canada | Tablets |
| BioHealth Vitamin B12 (Cyanocobalamin) 500 mcg | BioHealth Labs Inc. | 500 mcg | Canada | Tablets |
| Vit B12 1,000 mcg | Biomed Pharma | 1,000 mcg | Canada | Tablets |
| Biomerit Nerbion Tablet | Biomerit | 500 mcg | Malaysia | Tablets |
| Vitamin B12 Methylcobalamin 1000 mcg | BIOVEA | 1,000 mcg | United States | Tablets |
| Vitamin B12 5000 mcg Raspberry Flavor | Bluebonnet EarthSweet Chewables | 5,000 mcg | United States | Tablets |
| Vitamin B12 100 mcg | Bountiful Canada Vitamins ULC | 100 mcg | Canada | Tablets |
| Vitamin B12 500 mcg | Bountiful Canada Vitamins ULC | 500 mcg | Canada | Tablets |
| Vitamin B12 1000 mcg Timed Release | CellChem Pharmaceuticals Inc. | 1,000 mcg | Canada | Tablets |
| Vitamin B12 50 mcg | CellChem Pharmaceuticals Inc. | 50 mcg | Canada | Tablets |
| Vitamin B 12, 1000 mcg | Cherish Nutrition Canada | 1,000 mcg | Canada | Tablets |
| Vitamin B12 1000 mcg | Country Life | 1,000 mcg | United States | Tablets |
| Vitamin B12 500 mcg | Country Life | 500 mcg | United States | Tablets |
| Vitamin B12 | Douglas Laboratories | 2,500 mcg | United States | Tablets |
| Vitamin B12 Cherry Flavored | DrFormulas | 3,000 mcg | United States | Tablets |
| B12 Infusion | Enzymatic Therapy | 1,000 mcg | United States | Tablets |
| Vitamin B12 500 mcg | Exchange Select | 500 mcg | United States | Tablets |
| Natural Vitamin B12 1000 mcg | Exchange Select X | 1,000 mcg | United States | Tablets |
| Vitamin B12 1000mcg Tablets | Exzell Pharma Inc. | 1,000 mcg | Canada | Tablets |
| Vitamin B12 500mcg Tablets | Exzell Pharma Inc. | 500 mcg | Canada | Tablets |
| Vitamin B12 1000mcg sublingual tablets | GFR Pharma Ltd. | 1,000 mcg | Canada | Tablets |
| VITAMIN B12 500MCG TABLETS | GFR Pharma Ltd. | 500 mcg | Canada | Tablets |
| Vitamin B12, 1000 mcg tablet | HLC-Healing Line Corp. | 1,000 mcg | Canada | Tablets |
| Vitamin B12 | Holista Health (Canada) Inc. | 250 mcg | Canada | Tablets |
| B12 2500 mcg | International Vitamin Corporation | 2,500 mcg | United States | Tablets |
| Vitamin B12 100 Vitamin B12 Tablets 100 mcg | Jaapharm Canada Inc. | 100 mcg | Canada | Tablets |
| Vitamin B12 1000 Vitamin B12 Tablets 1000 mcg | Jaapharm Canada Inc. | 1,000 mcg | Canada | Tablets |
| Vitamin B12 50 Vitamin B12 Tablets 50 mcg | Jaapharm Canada Inc. | 50 mcg | Canada | Tablets |
| Vitamin B12 500 Vitamin B12 Tablets 500 mcg | Jaapharm Canada Inc. | 500 mcg | Canada | Tablets |
| Vitamin B 12 25 mcg | Jamieson Laboratories Ltd./ Nutricorp International | 25 mcg | Canada | Tablets |
| Vitamin B12 | Jamieson Laboratories Ltd./ Nutricorp International | 100 mcg | Canada | Tablets |
| Vitamin B12 1200 mcg Timed Release | Jamieson Laboratories Ltd./ Nutricorp International | 1,200 mcg | Canada | Tablets |
| Vitamin B12 250 mcg | Jamieson Laboratories Ltd./ Nutricorp International | 250 mcg | Canada | Tablets |
| Vitamin B12 50 mcg | Jamieson Laboratories Ltd./ Nutricorp International | 50 mcg | Canada | Tablets |
| LIVEMORE METHYLCOBALAMIN 600MCG TABLET | Livemore | 600 mcg | Malaysia | Tablets |
| MyVita Methylcobalamin 500mcg Tablet | MyVita | 508 mcg | Malaysia | Tablets |
| NATURE'S BOUNTY VITAMIN B-12 500mcg tablets | Nature's Bounty | 50,000 mcg | Malaysia | Tablets |
| Vitamin B12 1000 mcg | Nature's Plus | 1,000 mcg | United States | Tablets |
| B-12 1,000 mcg | Nature's Truth | 1,000 mcg | United States | Tablets |
| B-12 1,000 mg | Nature's Truth | 1,000 mcg | United States | Tablets |
| B-12 500 mcg | Nature's Truth | 2,500 mcg | United States | Tablets |
| Fast Dissolve B-12 1,000 mg Natural Berry Flavor | Nature's Truth | 1,000 mcg | United States | Tablets |
| Fast Dissolve B-12 5,000 mg Natural Berry Flavor | Nature's Truth | 5,000 mcg | United States | Tablets |
| Fast Dissolve B-12 6,000 mcg Natural Berry Flavor | Nature's Truth | 6,000 mcg | United States | Tablets |
| Timed Release B-12 1,000 mcg | Nature's Truth | 1,000 mcg | United States | Tablets |
| High Potency Vitamin B12 2000 mcg | Natures Plus | 2,000 mcg | United States | Tablets |
| B12 | Nested Naturals | 2,500 mcg | United States | Tablets |