Updated: March 20, 2026
| Feature | Thorne Berberine-500 | Vimergy Cat's Claw Extract |
|---|---|---|
| Price | $0.37 | $24.95 |
| Rating | 4.8/5.0 | 4.8/5.0 |
| Reviews | 2134 reviews | 1876 reviews |
| Brand | Thorne | Vimergy |

High-potency berberine extract. Supports healthy blood sugar metabolism, cardiovascular health, and GI microbial balance. NSF Certified for Sport.

Medical Medium's top herb for viral and bacterial infections. Powerful immune modulator and anti-inflammatory. Supports gut healing.
Both Thorne Berberine-500 and Vimergy Cat's Claw Extract are highly effective immune support products. Both products have the same rating (4.8/5.0), indicating similar effectiveness.
Thorne Berberine-500 is more affordable at $0.37 compared to Vimergy Cat's Claw Extract at $24.95, making it better value for budget-conscious buyers.
Thorne Berberine-500 has more customer reviews (2134 vs 1876), indicating it's more popular and has been tested by more users.
Choose Thorne Berberine-500 if:
Choose Vimergy Cat's Claw Extract if:
Both Thorne Berberine-500 and Vimergy Cat's Claw Extract are excellent immune support options. Your choice should depend on your specific needs, budget, and brand preferences.
For more immune support options, check out our complete Immune Support guide.