About Rx Vitamins for Pets Rx Vitamins for Pets is a nutraceutical company that produces innovative formulas, composed of blends of herbs, vitamins and minerals, to specifically address veterinary patient conditions and foster the healthcare of pets.

  • Rx Vitamins, which is its umbrella company, has an established reputation of creating well-researched products that have higher quality and potency, exceeding the standards of related products available in the marketplace.
  • Headquartered in New York, Rx Vitamins for Pets provide a wide array of treatment options exclusively to veterinarians in order to match the conventional care of your companion animals.

Supporting Veterinarians and the Optimal Care of Pets

  • We aim to provide the veterinarians with successful and professional formulations because we strongly believe that every veterinarian is an individual best qualified to lead the course of treatment of pets. In line with that, we are committed in manufacturing the safest and most effective line of nutritional formulas, as well as client-friendly materials, to licensed veterinarians.

What Set these Products Apart from the Others?

  • The Veterinarian

All formulas of Rx Vitamins for Pets are researched, designed and tested by Robert J. Silver, D.V.M., M.S., C.V.A. He is a globally renowned veterinarian practicing for over 30 years.

  • Raw Materials and Manufacturing

     Composed only of pure, human grade raw materials, all formulas undergo rigorous inspection and assay testing and are manufactured in NSF facilities.

  • Technical Support

Every formula sold by the company is incorporated with a Technical Report, highlighting the term of use, therapeutic strategy and the ingredients. Moreover, a Formula Applications Protocol Document groups the formulas by conditions and/or categories to give direction to veterinary staffs.


Safe and Quality Products

These are some of the leading products of Rx Vitamins for Pets that you can purchase (according to categories):


Vitamins and Supplements

  • Amino B-Plex- this formula supplies your pets with essential amounts of B complex vitamins, aqueous liver fractions and amino acids. Available in 2 fl.oz. and 4 fl.oz. and produced in a palatable presentation, this is easy to administer to small-sized patients
  • Rx Essentials for Dogs/Cats- this provides a full range of daily vitamins, minerals and antioxidants. This product is intended for supplemental feeding only.


Probiotics and Digestive

  • Rx Biotic- this is a hypo-allergenic veterinary powder formula which helps maintain normal healthy intestinal micro-flora and normalize bowel ecology. In addition, this potent powder surely does not contain any flavoring or additives
  • Rx Zyme Powder- a powerful formula which supports overall digestive system function by providing supplemental enzymes and nutrients


Liver and/or Detoxification Support

  • Hepato Support- available in 80 and 180 capsules pack, this product supports normal hepatic function of pets



  • Ultra EFA- this can be considered as the most concentrated and versatile Essential Fatty Acid Formulation available


Behavior Support

  • NutriCalm for Dogs- a helpful formula, which is manufactured in capsules, proven to calm and soothe dogs that show aggression, stress and nervousness


Joint and Bone Health

  • NutriFlex- helps maintain healthy and flexible joints as well as support your pet’s cartilage, tendons and ligaments. This is a convenient product in the form of chewable tablets.


Other Products Available:

  • Amino B+K
  • Bio-C
  • Canine Minerals
  • CoQ1030
  • Cranberry Rx
  • Feline Minerals
  • Formula CV
  • Immuno Support
  • Liquid Immuno
  • Liquid A Drops
  • MegaFlex
  • Liquid NutriCalm
  • NutriGest
  • NutriGest Powder
  • Nutritional Support
  • ONCO Support
  • Rx Renal- Canine
  • Rx Renal- Feline


Pets are considered as members of the family. Avail of these nutraceutical products and ensure the care and treatment of your companion animals! These and other effective pet formulations are available at Nutritional Institute LLC from Grayslake, Il.


Rx Vitamins For Pets

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PhosBind 200 g ME
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Rx D3 2 fl oz ME