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White cells & immunity (honest limits) 白细胞与免疫（如实说明）
Blood & Anaemia 补血·气血 early evidenceWhat the evidence says:
Astragalus modulates immune activity in lab/early studies and is studied as a chemo-supportive adjunct. But no herb reliably "raises white cells to cure infections" — a real infection needs proper treatment, and low white cells need a doctor.
Astragalus modulates immune activity in lab/early studies and is studied as a chemo-supportive adjunct. But no herb reliably "raises white cells to cure infections" — a real infection needs proper treatment, and low white cells need a doctor.
How to make it
Astragalus soup/tea between illnesses as gentle support. Do not rely on it during a serious infection.
Why it works
Protein, zinc, vitamin D and sleep matter more for immune function than any single herb.
Classical source
黄芪 tonifies the protective (wei) qi — the classical "immune-strengthening" herb.
Cautions: Persistently low white cells, recurrent serious infections, or fever with chemo = urgent medical care. Astragalus + immunosuppressants: check with a professional.