Check the listing for details. Equine Arthritis Herbal Blend for Horses. Condition: New, Made in United States. Listed at 60.00 USD. This is a holistic alternative herbal therapy for horses with Arthritis. I wholesale this blend to holistic vets across the globe. Ingredients are a proprietary blend of organic ingredients: flax seed, hemp seed, stinging nettles, lemon balm, thistle.