Herbal Immune Support
Herbal Immune Support and 3 near-identical products are sold under 3 different brand names — a near-twin Formula Twins cluster.
| Product | Brand |
|---|---|
| Herbal Immune Support | Dr. Mercola |
| Cal-Mag 2000 | Professional Botanicals |
| ImmunoGuard | AdvoCare |
| Herbal Immune Support | Dr. Mercola |
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