Quantum Health - TheraZinc Echinacea Lozenges Cherry-Mint - 14 Lozenges In 1984 Quantum became the very first company to market zinc lozenges following the publication of a study in the Journal of Antimicrobial Medicine. Since then other studies have increased the popularity of this immune-boosting mineral. Quantum Health Thera Zinc Echinacea Lozenges Cherry-Mint contain the same form of zinc used in clinical studies and the same dosage.