Item #CAP4



Opti-Zyme® Microbial Supplement is a source of naturally occurring viable yeast, enzymes and beneficial bacteria for promoting optimal digestion. 3 lb. Read More

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Opti-Zyme® Microbial Supplement

A source of naturally occurring viable yeast, enzymes and beneficial bacteria for promoting optimal digestion. A microbial source of enzymes to promote optimal digestion. Contains Manna E and Yeast Cultures.

Key Points of Opti-Zyme Microbial Horse Supplement:

  • Compares to Fastrack and Digest Aid
  • Used to improve digestion of fiber in diet and help lower feed costs
  • Best cost per feeding probiotic product

For Horses, feed 1 to 2 oz per head, per day.

View manufacturer and/or label information


  • Brand: Manna Pro
  • Type: Digestive Health
  • Form: Crumbles
  • Size: 3 lb

Reviews (5)

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  1. 5.0 out of 5 stars


    This really works. Really helps take care of "juicy farts" and the horses look better and feed less because of getting more value out of their feed.

  2. 5.0 out of 5 stars

    "Saved my Gelding"

    I have a quarterhorse gelding that had come close to dying due to colic on several occasions. I tried everything and nothing worked. Then I tried Opti-Zyme fed daily with an electrolyte and Equine Senior feed. He has not had colic for over 5 years on this program. I would not be without Opiti-Zyme for this horse.

  3. 5.0 out of 5 stars

    "Wow! Helped my horse's diarrhea"

    I have used probiotics before. I have used them within weight supplements, I have also used Pro-bios. Let me just say that so far this is the best one that I have ever used. My 26 year old horse had diarrhea so bad that I had to re-wash a blanket I had just washed. I put him on Opti-zyme within a few days the diarrhea was almost gone, three weeks later it is a thing of the past. So I am hooked, and moving forward all of my horses will be on opti-zyme. Personally I find that probiotics are helpful in reducing feed costs as well.

  4. 5.0 out of 5 stars

    "Helped reduce runny stools."

    My TB mare has a very sensitive stomach and has loose stools when not on a digestive supplement. I have used others with success but changed over to this last month. Within a week or so her stools were more solid, so it gets an A+ from me.

  5. 5.0 out of 5 stars

    "Best Probiotic Product at a great price!"

    This is a product that I have used for years. Great product & great price. It has been a great help in keeping my warmbloods healthy & happy. Everyone gets it from the old guys to the foals & broodmares. I won't be without it!

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