Engystol Homeopathic Injections for the Immune System homeopathicKecia FowlerOctober 4, 2022Art of Acupuncture Engystol, RSV Infections, Corticosteroid-dependent asthma, Feeling tired/run down or get sick often, Times of high stress or increased exposure to illnesses, Shingles or Herpes Simplex 1, Common Cold or Flu, strengthens your immune system