Homeopathic. Shorten your cold! Get better faster! Clinically proven to reduce the duration of the common cold. Zinc gluconate glycine. Pharmacist recommended. No. 1 Achievement award. Clinically proven Cold-Eeze cuts colds almost in half. Effectiveness: Cold-Eeze, the original Zinc Gluconate Glycine formula, shown to be safe and effective in reducing the severity of symptoms by 42% and duration by 3 to 4 days in two double blind placebo controlled clinical studies. No. 1 Pharmacist recommended zinc cold remedy lozenge (Pharmacy Times: Survey of Pharmacists recommended Zinc cold remedy lozenges). Made in USA.