Rx Vitamins Amino B-Plex Liquid Nutritional Supplement for Cats & Dogs

By Rx Vitamins
Rated 4.3667 out of 5 stars
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$13.17Chewy Price
$14.00Chewy Price
$12.51Autoship Price
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About This Item

  • Highly-palatable liquid that supports the metabolism of your furry friend.
  • Provides needed energy for pets that are weak, inappetence, post-surgical or debilitated due to chronic disease.
  • Contains concentrated B complex vitamins, essential amino acids, potassium and iron to promote liver health.
  • Hypoallergenic formula enhances vitality for those companions in need of metabolic support.
  • Approved by the National Animal Supplement Council Seal (NASC).

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Top IngredientsProprietary Amino Acid Blend (Includes Lysine, Methionine, Phenylalanine...Organic LucumaWheat Flour, Corn Syrup, Glycerin...Ground Flaxseed, Dry Whey Protein Concentrate, Ground Beef Bone...60% Sardine, 40% Anchovy, Mixed Tocopherols (preservative).
Breed SizeAll Breeds, Extra Small & Toy Breeds, Small Breeds...Small Breeds, Medium Breeds, Large Breeds...Small Breeds, Medium Breeds, Large BreedsSmall Breeds, Medium Breeds, Large Breeds...Small Breeds, Medium Breeds, Large Breeds...
LifestageAdultAdultAdultPuppyAdult, Senior, Puppy, Kitten
Health FeatureHigh-EnergyDiabetic Support, Digestive Health, Heart CareVitamins & MineralsSkin & Coat Health, Hip & Joint Support
Food FormSupplementPowderSupplementSupplementSupplement, Food Topping
Food FlavorPeanut Butter

Questions & Answers

13 Customer Questions

Is there sugar in this product?
Answer by ChewyMay 17, 2022
This supplement contains Fructose. For a complete list of ingredients and the guaranteed analysis, click the “Nutritional Info” tab on the product page.

Where are all ingredients sourced from. Manufactured and sourced are 2 diff things. Thx
Answer by ChewyApr 14, 2022
The Amino B-Plex is manufactured in New York, USA. The raw materials are sourced from the USA, Germany, France, Japan and Spain.

What is the shelf life on the RV Vitamin Aminos B-Plex if kept in cool or refrigerated place?
Answer by ChewyMay 18, 2022
Shelf life for this supplement is 3 years from the date of manufacture. Refrigeration is not required but it is recommended to store the product in a cool, dark place.

Can this help replace amino acids lost thru Fanconi's with RTS type 2
Answer by ChewyMay 12, 2022
The Amino B-Plex is not designed to be a treatment for a patient with Fanconi’s. It can be part of a protocol for this condition but the amino acid content will in all likelihood not be sufficient to offset that being lost due to the disease. Normal treatment for Fanconi’s is replacement of lost nutrients by giving electrolytes and fluids. As always, please be certain to discuss use with your veterinarian to help determine if this supplement is appropriate for your individual pet.

ReviewsWrite a Review

Rated 4.3667 out of 5 stars
30 Reviews
Would recommend to a friend

30 Customer Reviews

Rated 5 out of 5 stars
By evlco on Aug 12, 2022

So far, so good!

I have a 17 year old CKD cat who eats a pretty limited diet. I can't always convince him to eat his senior cat multivitamin so I thought I'd try this. It could be a medical miracle or it could be this supplement, but the cat is back to acting like his pre-dx self and I am very happy. It's easier to get liquids than pills into a cat and although my cat won't eat this voluntarily he doesn't seem to mind the taste (he just objects to having something *done* to him -- he's a cat). This stuff is going right on my auto-ship.

Rated 5 out of 5 stars
By RachelS on Jun 9, 2022

Convenient and works

I use this for my senior rattie whom has CHF and mildly “low blood”. He suddenly decided he did not like chewable vitamins so I tried this. He loves it! And it has the extra nutrients that he needs.

Rated 5 out of 5 stars
By Blueboy on May 11, 2022

We shall see

I have been looking for liquid vitamins for my shih tzu.....she does not like the solid vitamins. Nice that this can be added to her foot and/or water and hopefully it will keep her well.

Rated 2 out of 5 stars
By Nkat on Mar 7, 2022

Bacon flavored

When I think bacon, I think dogs.. so of course my cat doesn't enjoy bacon flavor. Chicken, turkey, etc. could be used for the flavor. Disappointed that it's advertised for cats but smells like dog treats.

Rated 2 out of 5 stars
By 2Shepherds on Dec 22, 2021
Top 50 Contributor

Flavoring is geared toward dogs, none of our cats like it.

So disappointed the overpowering smell of this products seems to be, I don't know... bacon? Whatever it is, it's not cat friendly even though the product is marketed for both dogs and cats. Purchased this for our senior cats and both of them are put off by the smell, won't go near it. If I'm lucky, I can trick them into taking it by putting it in tuna water or mackerel juice, but even then it's hit or miss, and I don't want to be giving them fish juice every day just to take this supplement. Even our younger cats sniff anything I add it to and walk away. Will try a flavorless option in the future, so for now this sits on the shelf. Highly-palatable liquid? Ummm.... not in our house! Was so hopeful, but won't purchase again.

Rated 4 out of 5 stars
By KCMals on Mar 7, 2022

Tasty treat

Our dogs enjoy the flavor of this! That's a PLUS. However I've not seen the benefits l was hoping for. I plan to return it

Rated 5 out of 5 stars
By Tine on May 3, 2022

Good product

My dog didn't even notice that it was added to her food.

Rated 5 out of 5 stars
By Allergies on Nov 12, 2021

Chronic illnesse

Iv been giving this to my 12 year old fur baby who has been diagnosed with lymphoma. She is currently undergoing chemotherapy in which is takes alot of her energy away for the 1st couple of days after chemo. I can't even express how this supplement had helped Kona. Her energy is up, she is more perky and vibrant and she even plays more. Im so grateful that I fell upon this. Not to mention she loves the taste of this stuff. She takes it no problem.

Rated 5 out of 5 stars
By Pwebs on Nov 7, 2021

Great product

This product was recommended from my vet for my 14 year old terrier who has some mobility issues and a seizure disorder. I will tell you this: He loves the taste of this and I have noticed a significant increase in his energy levels!!

Rated 5 out of 5 stars
By Sall on Dec 22, 2021


Added this to her food for the past 2 weeks. Seems to have more energy. (12 yr.old dog).