Immune Support

Botanicals for Immune System Strength & Resilience

A well-functioning immune system is your body's most sophisticated defense — and certain botanicals have demonstrated measurable, reproducible effects on immune function through rigorous clinical research. Herb Dr's Immune Support collection features beta-glucan-verified mushroom extracts (cordyceps, maitake, lion's mane), cat's claw (Uncaria tomentosa, standardized for oxindole alkaloids), and chlorella (broken cell wall for maximum bioavailability) — all third-party tested for identity, potency, and purity.