Echinacea is an immune-supporting herb.
Helpful for chronic viral and bacterial infections, and depressed immune systems. For skin complaints, hoof problems such as abscesses or thrush, and to encourage wound healing in general.
Use Echinacea as a pre-winter immune booster or even after an illness to help rebuild the immune system.
Echinacea has a systemic antimicrobial effect that is effective as an anti-viral and antibacterial agent.
 
Olive leaf is by far one of the best immune-boosting, antibiotic, antifungal herbs you could possibly give your horse.  Its wonder compound is called oleuropein, enhanced by flavonoids and polyphenois.
Olive leaf's powerful active compounds are helpful in the treatment of gastrointestinal ulcers, colds, viral conditions, allergies, fungal infections, chronic fatigue (low energy), EPM, shingles, herpes and many more debilitating conditions.
Antibacterial, antifungal, antiviral, antioxidant
1/2 to 1 cup daily added to feed