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Rx Vitamins   Liquid Immuno for Pets, Original Flavor - 4 fl. oz (120 ml)

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7 Reviews

"It keeps my pets healthy."  Read all reviews

Item Number: RXP1008
Serving Size: 2 ml Servings per Container: 60
Price per Serving:  $0.63 Price per Unit*: $9.50 per Fluid Ounce
* Price Per Unit may reflect product's price per capsule, tablet, ounce, fluid ounce, etc.
26 In Stock.

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Liquid Immuno (Original Flavor) by Rx Vitamins for Pets contains a blend of ingredients that may work to support your pet’s immune system.

First‚ Liquid Immuno (Original Flavor) provides reishi mushroom extract. According to proponents of traditional Chinese medicine‚ this mushroom may help address certain symptoms associated with mild upper respiratory infections.

This Rx Vitamins for Pets supplement also contains an amino acid called L-lysine that might have a gentle anti-viral effect. Furthermore‚ lutein is a bioflavonoid that may offer additional support for the functioning of your pet’s immune system.

Moreover‚ the larch arabinogalactan in Liquid Immuno (Original Flavor) could potentially act to stimulate the activity of natural killer cells and macrophages‚ both of which are white blood cells that may be involved in fighting off foreign bacteria and viruses.

Finally‚ this liquid supplement is easy to give to cats or small dogs who are unable to swallow pills.

Each bottle of Rx Vitamins for Pets’ Liquid Immuno (Original Flavor) contains four fluid ounces of solution.



These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose‚ treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.

  • MFG # LIQ23
  • UPC # 708429088042
Official Website: http://rxvitamins.com

Active ingredients per 2 ml:

L-Lysine (pharmaceutical grade) 500 mg
Larch Arabinogalactan (larix occidentalis extract) 100 mg
Reish Mushroom (ganoderma Lucidum) 50 mg
Lutein (bioactive Carotenoid) 3 mg

Inactive Ingredients: Fructose‚ natural flavorings‚ potassium surbate water‚ xanthan gum.

Professional Vegetarian Formula


Patient less than 5 lbs; 1 ml twice daily.
patient grater than 5 lbs: 2 ml twice daily.


For animal use only.

Safe use in pregnant animals or animals intended for breeding has not been proven.

Keep out of the reach of children and other animals. In case of accidental overdose‚ contact a health professional immediately.

If animal's condition worsens or does not improve‚ stop product administration and consult your veterinarian.

Do not use if tamper-evident seal is broken or missing.

Store at room temperature out of direct sunlight.

For use in feline and canine patients.


Ratings and Reviews

Write a Review
  • 4.4
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4 7
  • 7 Reviews
    • Excellent

      from Va on 10/23/2021
      It keeps my pets healthy.

      Pros

      It's easy to give them. I put it in their food and they easily eat it.

      Cons

      Nothing
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Wish I had noticed one ingredient.

      from Florida on 8/07/2016
      I would have never bought if I had noticed this one ingredient. Although they say Xanthan Gum is safe in small doses, I certainly cannot use Liquid Immuno for Pets Original Flavor by Rx Vitamins to help my dog's immune system who is fighting yeast. Yeast feeds off carbs and Xanthan gum is made using carbohydrates from corn, wheat, dairy, or soy. All four are considered to be allergens, and each can wreak its own special brand of havoc on your pet?s digestive system and overall health, not to mention the concern about GMO?s in soy. I'm not saying this product overall is bad but it isn't for my dog. Unfortunately, this was a waste of money.

      Pros

      Cons

      The ingredient, Xantham Gum
    • Liquid Immuno for Pets is wonderful!

      from Portland on 8/21/2015
      I have been giving Liquid Immuno by RX Vitamins to my cat Feya for several years and it is so good for her that she is always excited when I give it to her. She inherited the herpes virus from her feline mom and so has flare ups from time to time - hair loss above the eyes for example. Once when her eyes were teary I gave it to her and almost overnight, they cleared up. This is a marvelous immune booster! Even my youngest kitty Indiana wants a bit each time I give it to Feya.

      Pros

      Everything! It is natural, quick-acting, palatable and a must for feline guardians everywhere.

      Cons

      N/A - no complaints here.
      review-checkI would recommend this item to a friend.
    • GREAT product!

      from California on 1/26/2015
      We found out our little 8 year old Chi had a heart problem. Our vet put her on Immuno right away. Liquid Immuno for Pets by Rx Vitamins has increased her energy. You wouldn't even suspect she has a heart problem. No matter the price I'm sticking with Immuno...by the way it is less expensive here than my vet. These precious creatures deserve the best care we can give them.

      Pros

      EVERYTHING!!!!!

      Cons

      Nothing.
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Rx Vitamins Liquid Immuno for Pets

      from Brooklyn, NY on 9/23/2014
      Liquid Immuno for Pets by RX Vitamins prescribed by my holistic vet to treat my cat's breast cancer. My cat likes the taste. PureFormulas emailed me to confirm delivery - what great customer service!

      Pros

      Been using this for a long time. With surgery and holistic treatments, this product has worked to boost my cat's immune system so she can fight off cancer.

      Cons

      This item can be a little sticky but wipes off easily with a damp paper towel.
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      love this product

      from Breinigsville, PA on 5/22/2011
      Liquid Immuno for Pets by Rx Vitamins has been used by our rescue for many years. We had a prescription to purchase it from our vet We purchase the liquid under one pets name although it is used on many rescues to build their immune systems. Recently it was determined that in order to continue to purchase this item we had to actually have the animal seen at the office. I am so glad that we found your website! We will purchase from you exclusively going forward.

      Pros

      it is easy to administer.

      Cons

      Although your online price is cheaper than a vets office it is still expensive for a small rescue.
      review-checkI would recommend this item to a friend.
    • Verified Buyer

      Works great for our cats!

      from Los Angeles, CA on 3/06/2011
      My vet recommended Liquid Immuno by Rx Vitamins several years ago when a cat I adopted from a shelter had an upper respiratory infection. It wasn't fun getting him to take it (hes very picky) but it really seemed to speed his recovery. We care for several stray and feral cats in our neighbourhood. We have them neutered and then release them. It is very common for them to get these upper respiratory infections especially in the Spring. We add this to some wet food for them twice a day when we notice they have runny eyes or nose. Usually their symptoms clear up within 2-4 days. It seems to work great for them!

      Pros

      Effective and fast! Easy to give in wet food to cats who aren't too picky about what they eat.

      Cons

      A tad pricey and its difficult to give to cats who wont eat it in their food. Also its a very dark color so if you do try to give it to a cat and they spit it out its pretty messy.
      review-checkI would recommend this item to a friend.

Customer Questions and Answers

1-1 of 1

  • Question:
    Is RX Vitamins liquid immune safe to give with prednisone?
    annmarie p fuller on 5/19/2016 Answer:
    • Hi Annmarie, we apologize but here at PureFormulas, we cannot make recommendations for our customers because there is so much to take into consideration when doing so. Every pet breaks down, absorbs, and reacts to nutrients differently, and only your pets veterinarian, that is familiar with your pets needs, would be able to make a recommendation that is the best for you.
      PureFormulas on 5/20/2016

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