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December 12, 2012


Chaste tree berry powder and your horse’s endocrine system

by DePaolo Equine Concepts

Cushings, Pre-Cushings, Hypothyroidism, Endocrine Syndrome and Insulin Resistance all have one thing in common: pituitary gland dysfunction. Most of these diseases are brought about by stress like competitions, trailering, sweet feeds, stalling, medicating, vaccinating, and daily dewormers.

Chaste Tree Berry Powder nutritionally supports the normal functioning of the pituitary gland.* With this herbal supplement, the pituitary is allowed to thrive and perform properly by naturally helping to maintain normal dopamine levels in the blood and supporting regulation of both the pituitary and adrenal glands.* Accurate dopamine levels also normalize prolactin to balance hormones in the body.

I prefer to naturally support the endocrine system rather than using a toxic pharmaceuticals for conditions like Cushings. –Mark DePaolo, DVM

CTBP_largeChaste Tree Berry Powder has no known negative side effects and is safe for long term use, as these diseases and syndromes are managed and not cured.* This supplement may be used with all treatment protocols. Use of steroid medications may decrease the effectiveness of Chaste Tree Berry Powder. Synthetic drugs may cause loss of appetite, weight loss, lethargy, and poor hair coat.

7 Comments Post a comment
  1. Lorrel Hop
    Nov 2 2013

    I have listened to a number of DePaolo YouTube videos on Cushings … great information … I have a mare that is going to be tested first of December for Cushings … waiting as have been told Fall can give false readings … I believe she has Cushings …. Can I begin now to give her Chaste Tree Berry powder … Is it harmful to give this to a horse that isn’t Cushings ? I am hoping she isn’t but as I said – there are too many signs that she is.

    • Thank you for the email. It is not harmful to give your mare CTBP. If you see a change in her after a few weeks then you should keep her on the supplement. If you see no change then it might not be Cushings. It is also important to remove all sweet feed from her diet. If you are feeing sweet feed it will negate the positive results from the CTBP. To learn more about proper nutrition, please visit the health library on our website.

      Thank you very much.
      DePaolo Equine Concepts

  2. patty
    Oct 11 2014

    It’s my hope that someone out here will be able to give me some “sound” advise. I have a mare that is 16 yrs. old that continues to stay in limonitic state and is very lame. I have recently changed her diet drastically, but Chaste Tree Berry was recommended as it was thought that she may have a thyroid issue, or some metabolic issue. Has anyone out there tried this product for these issues and if so how did it work for you? I appreciate any comments.

    • Hi Patty,
      We have great response using chaste tree berry power for metabolic issues. We also have a product called Harmony that is a bit more expensive but has several other ingredients along with the CTBP. I encourage you to read the information in the Health Library on our website and visit the product pages to learn more.


  3. Linda
    Jun 25 2016

    Hi, I have two mares, full sister Morgans, ages 13 and 15. For the 3rd year now, their summer coats have grown out to 1/2″. Last year I worked with a nutritionist and we determined that they were low on zinc. We added a zinc supplement and this year their coats do not seem to be quite as thick but they are pretty much as long. Their coats are shiny and dappled and, according to the past two years, they grow and shed right on queue. Their winter coats haven’t changed but their summer coats just grow too long. They are not overweight, they do not have cresty necks and their hooves are perfect and barefoot. I have had them tested for Cushings – negative. I’ve had most other appropriate blood tests done as well. They test zero for their fecal egg count but I Power Pack deworm them every 2 years. I started them on Evitex (liquid) and went thru a little over a 1 1/2 gallons but decided that it was too expensive when I wasn’t even sure what results I would get and when… liquid was also very inconvenient. Then I was given some organic chaste tree berry powder and I just started feeding it to them in their afternoon grain (whole oats with ground flaxseed, California Trace and some salt). I’m giving them just a teaspoon a day for starters and building it up slowly as they acquire a taste for it. I’m not sure what kind of dose to end up with and I also wonder if you have ever heard of this condition in non-Cushings horses.

    • Hi Linda,
      I will pass your question on to Dr. Mark. He is traveling for the next few weeks to horse shows so it might be a bit before he gets back to you.
      Thank you for your interest,

      • Hi Linda,
        I spoke with Dr. Mark and this is what he said:
        We do see this condition quite often in horses that aren’t “Cushing’s”. It can be associated with feeding soy in the feed or the supplements, however, it appears that isn’t a problem for your horses. It is also common for horses that are out of balance in the Nutritional Minerals/Niutritional Metals or in horses that are toxic in heavy metals. I would recommend that you run a Horse Hair Analysis to rule these issues in or out.” You can learn more at
        Thank you and good luck!

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