Super Collagen 6000 mg plus Vitamin C
Super Collagen 6000 mg plus Vitamin C and 1 near-identical products are sold under 2 different brand names — a exact-twin Formula Twins cluster.
| Product | Brand |
|---|---|
| Super Collagen 6000 mg plus Vitamin C | 21st Century |
| Hydrolyzed Collagen + Vitamin C | California Gold Nutrition |
Advertisement