| Nova FlexTab Tablet | Nova | 100 mg | Malaysia | Tablets |
| Nova Lipo-Vit C 500mg Softgel | Nova | 500 mg | Malaysia | Softgels |
| Nova Vit - C Chewable tablet | Nova | 100 mg | Malaysia | Tablets |
| Nova Vita C 500mg Chewable Tablet | Nova | 544 mg | Malaysia | Tablets |
| Vitamin C Crystals | NOW | 1,100 mg | United States | Powders |
| Vitamin C Crystals | NOW | 6,750 mg | United States | Powders |
| Vitamin C Crystals | NOW | 6,750 mg | United States | Powders |
| NUHEAL 365 C 150mg CAPSULE | Nuheal | 500 mg | Malaysia | Capsules |
| Vitamin C Goji | Nutragiant Phytopharm Inc. | 200 mg | Canada | Capsules |
| NutriChem Vitamin C powder 500gm | Nutri-Chem Pharmacy Ltd. | 4,000 mg | Canada | Powders |
| Vitamin C 1000 mg tablet | Nutri-Chem Pharmacy Ltd. | 1,000 mg | Canada | Tablets |
| Vitamin C Powder 500 mg | Nutri-Chem Pharmacy Ltd. | 4,000 mg | Canada | Powders |
| NutriCentury ¿ Nutri C 500 Chewable Tablets | NutriCentury Corporation | 500 mg | Canada | Tablets |
| NutriCentury¿ Nutri C Forte Chewable Tablet | NutriCentury Corporation | 1,000 mg | Canada | Tablets |
| NUTRiLEX VITAMIN C 250MG CHEWABLE TABLET (ORANGE FLAVOUR) | NUTRiLEX | 273 mg | Malaysia | Tablets |
| NUTRILEX VITAMIN C CHEWABLE TABLET 100mg | NUTRiLEX | 107 mg | Malaysia | Tablets |
| NUTRILIVING VITAMIN C 500MG CAPSULE | Nutriliving | 500 mg | Malaysia | Capsules |
| NUTRILIVING YEAST BETA GLUCAN WITH ASCORBIC ACID TABLET | Nutriliving | 50 mg | Malaysia | Tablets |
| Vitamin C | Nutrition Resources, Inc. dba Nutribiotic, Inc. | 2,000 mg | Canada | Powders |
| NUTRIVA VITAMIN C PLUS CAPSULE | Nutriva | 500 mg | Malaysia | Capsules |
| COLD Escape Vitamin C Effervescent | Ocean Horizon Enterprises Limited | 1,000 mg | Canada | Tablets |
| OMFA Vitamin C 1000mg Granule | Omfa | 1,110 mg | Malaysia | Powders |
| C-500 | Optimox | 6,000 mg | United States | Tablets |
| Organika Health Product Inc. Vitamin C 500 mg with Natural Rosehips tablets | Organika Health Products Inc. | 500 mg | Canada | Tablets |
| Organika Health Products Inc. Vitamin C crystals powder | Organika Health Products Inc. | 1,200 mg | Canada | Powders |
| OXY3NERGY VITAMIN C 500mg CHEWABLE TABLET | OXYBENEFITS HEALTH SDN. BHD. | 541 mg | Malaysia | Tablets |
| PP Vitamin C 1000mg Tablet | PAHANG PHARMACY SDN. BHD. | 1,031 mg | Malaysia | Tablets |
| PP Vitamin C 500mg Tablet | PAHANG PHARMACY SDN. BHD. | 515 mg | Malaysia | Tablets |
| ASORVIT-C TABLETS | Pharmaline Inc. | 500 mg | Canada | Tablets |
| Vita-C Effervescent Tablets | Pharmaline Inc. | 1,000 mg | Canada | Tablets |
| CITREX VITAMIN C 100MG CHEWABLE TABLET ( BLACKCURRANT FLAVOUR) | PHARMANIAGA MANUFACTURING BERHAD | 115 mg | Malaysia | Tablets |
| CITREX VITAMIN C 100MG CHEWABLE TABLET (ORANGE FLAVOUR) | PHARMANIAGA MANUFACTURING BERHAD | 116 mg | Malaysia | Tablets |
| VITALITA VITAMIN C 1000MG TABLET | PHARMANIAGA MANUFACTURING BERHAD | 1,081 mg | Malaysia | Tablets |
| PHYTOVIT Seabuckthorn Vit-C Plus Capsule | Phytovit | 100 mg | Malaysia | Capsules |
| PiSHiNE VITAMIN C 500mg CHEWABLE TABLET | PiSHiNE | 500 mg | Malaysia | Tablets |
| Bocalex C 1000 Effervescent Tablet | Powerlife (M) Sdn. Bhd. | 1,000 mg | Malaysia | Tablets |
| Prime Health Chewable Vitamin C 500mg | Prime Health Ltd. (Canada Global Life Sciences) | 500 mg | Canada | Tablets |
| Vitamin C Gummy | Pure Encapsulations | 125 mg | Canada | Other forms |
| 7-Day Cleanse | Purely Inspired | 7 mg | United States | Capsules |
| 7-Day Cleanse | Purely Inspired | 7 mg | United States | Capsules |
| 7-Day Cleanse | Purely Inspired | 7 mg | United States | Capsules |
| Liposomal Vitamin C | Purely Optimal | 1,000 mg | United States | Capsules |
| RedCon1 Vitamin C | Redcon1 LLC | 1,000 mg | Canada | Tablets |
| REDOXON KIDS VITAMIN C 200MG CHEWABLE TABLETS | Redoxon | 217 mg | Malaysia | Tablets |
| Redoxon Vitamin C 1000mg Orange Flavour Effervescent Tablet | Redoxon | 1,000 mg | Malaysia | Tablets |
| REDOXON VITAMIN C 500MG CHEWABLE TABLETS | Redoxon | 544 mg | Malaysia | Tablets |
| REDOXON® LEMON | Redoxon | 1,000 mg | Canada | Tablets |
| REDOXON® ORANGE | Redoxon | 1,000 mg | Canada | Tablets |
| 1 Detoxify With Deep Liver And Organ Cleanse | Renew Life | 300 mg | United States | Capsules |
| Total Body Rapid Cleanse | Renew Life | 300 mg | United States | Capsules |
| Vitamin C 250 Mg | Rhema Health Products Limited | 250 mg | Canada | Tablets |
| Royce Ascorbic 500mg Chewable Tablet | Royce | 536 mg | Malaysia | Tablets |
| Vitamin C | Santa Cruz Nutritionals | 120 mg | Canada | Gummies |
| Vita-C 500 Sustained Release | Shaklee Canada Inc. | 500 mg | Canada | Tablets |
| SWECEE CHEWABLE TABLET | SM PHARMACEUTICALS SDN. BHD. | 500 mg | Malaysia | Tablets |
| Vitamin C | Sports Research | 1,000 mg | Canada | Capsules |
| Vitamin C Gummy | Sports Research | 125 mg | Canada | Other forms |
| Vitamin C STELLA 1g Effervescent Tablet | STADPHARM SDN. BHD. | 1,000 mg | Malaysia | Tablets |
| Dynamic Liposomal Vitamin C | Stonehenge Health | 1,500 mg | United States | Capsules |
| High Potency Vitamin C 1000 mg | Sundown Naturals | 1,000 mg | United States | Other forms |