Safe to use as a dietary supplement, alternative medicine
for most dogs and cats.

In this article...
1. Grapefruit Seed Extract
2. Health Benefits
3. Cautions
4. Side Effects
5. Drug Interactions
6. Administration and Dosage 


1.0 Grapefruit Seed Extract (GSE)

Grapefruit is a citrus fruit. Extract from the seeds of the grapefruit are valued for their medicinal qualities. The benefits of Grapefruit Seed Extract (GSE) were first noted in 1972 by physicist Dr. Jacob Harich who observed its broad spectrum use as an antibacterial and antiviral remedy. You can read more about Dr. Jacob Harich and the history of GSE here.



University of Georgia researchers found that GSE is an effective antiviral, anti-fungal and anti-parasitic agent for fighting many viral and bacterial infections, including E. coli.  


Grapefruit seeds contain active ingredients that are:

  • Anti-bacterial;
  • Anti-fungal;
  • Anti-inflammatory;
  • Anti-microbial; 
  • Anti-parasitic and more. 

2.0 Health Benefits - a partial list..

Ingested Uses

  • Atherosclerosis (hardening of the arteries);
  • Bacteria;
    • GSE has been proven to fight 800 bacterial and viral strains;
      • Example uses;
        • Diarrhea
        • Dental care - preventing and treating gingivitis;
        • Ear infections;
        • Nasal rinse;
        • Yeast infections - candida;
        • etc.
  • Cancer;
  • Digestive issues due to eczema;


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