Ultra-C
Ultra-C and 5 near-identical products are sold under 4 different brand names — a exact-twin Formula Twins cluster.
| Product | Brand |
|---|---|
| Ultra-C | Douglas Laboratories |
| Ultra-C | Douglas Laboratories |
| Vitality C | Natural Vitality |
| Redox C 300 mg | Lifted Naturals |
| Pure-C-Bio Capsules | Maxi Health |
| Pure-C-Bio Capsules | Maxi Health |
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