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Rx Vitamins Amino B Plex Cat & Dog Supplement – Vitamin B Complex Liquid Plus Amino Acids for Dogs & Cats – Appetite Booster and Weight Gainer Cat & Dog Vitamins – 2 oz

Original price was: $17.49.Current price is: $15.74.

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Price: $17.49 - $15.74
(as of Oct 27, 2025 23:25:27 UTC – Details)

From the brand

Rx Vitamins Professional Veterinary Formulations for PetsRx Vitamins Professional Veterinary Formulations for Pets

Nutritional Formulations

Rx Vitamins for Pets provides veterinarians with nutritional formulations designed to enhance patient outcomes. Since 1998, Rx Vitamins has set the standard in the development of safe, well-researched formulas. We support veterinarians by providing a wide choice of treatment options to complement the conventional care of companion animals.

Rx Top Sellers

Liver Support

Package Dimensions ā€ : ā€Ž 5.55 x 5.08 x 1.69 inches; 2 ounces
Item model number ā€ : ā€Ž 8110TL
Date First Available ā€ : ā€Ž April 16, 2024
Manufacturer ā€ : ā€Ž RX Vitamins
ASIN ā€ : ā€Ž B0CX36XWKQ
Best Sellers Rank: #10,391 in Pet Supplies (See Top 100 in Pet Supplies) #78 in Dog Multivitamins
Customer Reviews: 4.4 4.4 out of 5 stars 1,784 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Supports Overall Wellness & Vitality: Amino B Plex is formulated with spirulina, a blue-green algae that provides many nutrients, including vitamins, minerals, amino acids, antioxidants, B vitamins including vitamin B1, vitamin B2, vitamin B6, and iron. This versatile liquid supplement is ideal as an addition to your puppy essentials, senior dog supplements, or cat vitamins, as it supports pets at all life stages.
Highly Palatable & Appetite Stimulant for Dogs & Cats: Amino B Plex is a great dog weight gainer and appetite stimulant since it encourages consumption, making it beneficial for pets needing a boost in appetite and potential weight gain.
Fast Absorption: Amino B Plex ensures rapid absorption of essential nutrients, including B6 vitamin, which is crucial to support energy levels for senior and active outdoor pets. Ideal as dog vitamins and vitamins for cats, this liquid vitamin B complex delivers vital nutrients quickly, promoting overall health and vitality in pets.
Convenient Application: Offering essential vitamin B supplements, the highly palatable bacon-flavor liquid allows for easy mixing into pet food, ensuring hassle-free administration and optimal absorption of nutrients.
Quality Pet Vitamins & Supplements: Rx Vitamins’ Amino B Plex prioritizes dog health and cat vitamin needs with its premium ingredients and formulation. Designed to support overall wellness in pets, it’s a reliable choice for pet owners seeking high-quality supplementation for their beloved companions.

Customers say

Customers find this vitamin supplement effective, reporting improvements in their pets’ health, particularly for diabetic cats. The supplement has a bacon flavor that cats love, and customers appreciate its ease of administration. They note positive effects on energy levels, appetite, and overall well-being, with one customer mentioning it helped their elderly anemic cat.

11 reviews for Rx Vitamins Amino B Plex Cat & Dog Supplement – Vitamin B Complex Liquid Plus Amino Acids for Dogs & Cats – Appetite Booster and Weight Gainer Cat & Dog Vitamins – 2 oz

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  1. Mayuris

    excellent product šŸ‘
    very good product I recommend it 100%Comentario

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  2. AnnapolisGal

    BACON FLAVORED! She LIKES It, and It Works! YAY!
    WONDERFUL “liquid” B Complex supplement to easily be able to dose pets who will NOT swallow a regular “capsule”!We have a little Shih Tzu who used to be sooooooooooooooo good about swallowing her supplement pills when she was younger. All we did is coat them with a bit of butter, put her in a sit-stay, and then tell her “TREAT!”. She would gobble up her vitamins in a second.Fast forward 12 years…. She’s super picky now. We can usually get her to swallow them if we coat them with cream cheese, salmon cream cheese, or peanutbutter, but when she had very bad seasonal allergies this past summer, we had a horrible time of it! She just refused most of her supplements. We got away with adding the capsule contents to her homecooked organic meals, BUT only with supplements that did not smell “medicine-y”. IF you have ever smelled a B-Comlex capsule or caplet, you know they are…..strong smelling. She would refuse her food if I dared to try and add it to her meals. The vet told me “not to worry about it” for a few mos — that she got her vitamins from her food. I knew better than that! Dogs NEED Vit B’s, esp B12. She is on a no grain diet, and she doesn’t eat pork. I knew she wasn’t getting any vit B from her food. I reluctantly “didn’t’ worry about it” for about 2 mos. Well…..HUGE MISTAKE! She came down with what looked like “glossitis” (shiny, reddish tongue). I knew this was NOT normal. At the time, I didn’t know what was going on. We rushed her to the vets. They didn’t know either. Since she had a sinus issue along with her atopic allergies, they just suspected a sinus infection and put her on antibiotics. That did nothing. After researching, I found articles on Glossitis. I asked the vets about it, but they told me they doubted that is what it was *don’t get me started on vets!*. I decided to test my theory out on my own. I found a few liquid Vit B Complex, but most had either yeast (she is allergic to yeast ingredients) , or had a lot of sugar in them.Lucikly, I came across this brand. It smells like bacon. Enough said. My dog LOVES it. šŸ™‚ The battle had been WON! YAY!Within about 2 weeks or less?…the shiny, red tongue was 90% back to normal (only glossy way in the back of her tongue). It took about almost 1 month for her tongue to get 100% normal. Thank G*D for this product! Needless to say, we changed vets and found one who is much more informed! We had to go a whole State away, but it is worth it!So, any negatives to this product?Well, it does contain fructose, but I can’t imagine it could be palatable without it!And it has xanthum gum, which acts as a thickener. It is apparently derrived from either corn, wheat, dairy, or soy — ALL of which can be allergens todogs, but….so far, so good when we dosed it. It was the best alternative we could find. It got rid of her tongue issue, and she did seem to have a TON more energy!IMHO, I think this product rates A++++++, esp if you have an older and/or ill pet who is unable to swallow pills.Now that she is fine and is amiable to swallowing her supplements, we have gone back to giving her the people-quality B-Complex capsule, but every now and then (about 1 x week) I will give her a squirt of this liquid B Complex just as a special insurance to make sure her B12 needs are covered. The only reason we went back to giving her the regular capsules is because they are much higher mgs in each of the individual B’s, other than in B12. We give her a 50mg B Complex capsule daily as her normal dose.I wish I could find a complete multi vitamin for her in liquid form — that would make her life and mine so much easier, lol! The only ones I have found are ones for infants, but all of those contain “sorbitol” and that can be toxic to dogs. Thankfully, This PETS AMINO B-PLEX does NOT contain any sorbitol! Excellent!

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  3. Shilpa B.

    My kitties don’t mind
    It’s helpful for my kitties. They don’t mind it mixed with their dry or wet food.It doesn’t smell or anything and can be easily mixed with dry or wet food.

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  4. Mr. Staack

    Our Cat & Dog Love It – Both Seem To Benefit
    We are starting our third bottle, after several months of usage, and we’re generally pretty pleased with the results. The product has been palatable to both our animals (including our cat, who is VERY picky about flavors), is easy enough to dispense, and both our pets seem to have benefit in several ways.The results for our dog is subtle, since she was already fairly healthy and energetic for her age. We alternate days when we provide the Amino B-Plex drops in her food, and we’ve noticed the time it takes for her to warm up after sleeping has gotten shorter. She’s able to stretch out any aches within a minute or two, compared to three to five minutes before we started giving her the product (before than it was 10 minutes, but adding Nupro powdered supplement helped a lot). I We’ve experiments with larger doses and/or shorter intervals between doses, but it seems like two droppers (split between breakfast and dinner) every other day yields the best results. There was no more improvement if we increased her dosage or frequency. Larger doses may have contributed to softer bowel movements, but we didn’t test long enough to say conclusively.Our cat likely has IBD (the vet was never able to definitively diagnose it, as we took the clinical route before paying for full lab, and she responded as expected), and she’s VERY fussy about flavor. There’s a number of supplements we’ve tried that she will refuse to eat. She seems to enjoy Amino B-Plex mixed into her seafood pate (so far this protein has been the most stable for her). Since adding this along with her medications and tailored diet; the number of IBD flare ups have dropped, as have their severity. Her bowel movements have become much better and more regular. Her coat has gotten more glossy and sheds way less. She has become more energetic, and has been able to put on more healthy weight. We’ve tapered down to 8 ~ 10 drops in the morning and 8 ~ 10 drops in the early evening, which seems to be optimal for her.There are less-expensive supplements like this, which get excellent reviews, but our cat absolutely will not eat unless you force her. This has been the ONLY supplement she will willingly eat. Really, she’s actually enthusiastic about it. The dog would eat anything you put in a bowl, but I’m sure she enjoys the bacon and liver flavor of this as well. Be sure to regularly clean the dropper bulb, as the oil seems to regularly seep up past the seal. If you don’t regularly clean around the dropper bulb and rim of the bottle, it will start to drip over the edges no matter how carefully you handle the bottle (which is touch since you need to shake it up). Despite these minor gripes, I still think this is a very good product. I suggest always trying out various brands and formulations to see what works best for your pets, but Amino B-Plex managed to be what worked best for us.

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  5. Terri O. Haase

    Very helpful for my old dog
    I have a little 17 year old dog who wasn’t eating well. This supplement is really helping her. She’s eating much better!

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  6. Cathy D.

    My dog loves the taste..
    I give this twice a day to my 14.5 year old lab.. She takes other supplements but I feel this helps give her energy. We all need b vitamins as we get to be seniors. She hikes 3-4 miles a day. Thank you for a great pet product!

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  7. Nad

    Great product for animals. The bottle is a little bigger than small size and it will last you for a while. I bought this in February, and I still have about half left. Please follow instructions on the bottle of how many drops to give to your cat or dog. It depends on the weight of your animal. It is bacon flavour and my cats love it. I mix it with their wet food.

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  8. Kelly

    Great product. Helps my cat who is so finicky and doesn’t get enough nutrients. Definitely see a difference.

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  9. Allan

    I recently purchased Rx Vitamins Amino B Plex for Pets and it has proven to be both a good value and a hit with my dogs. This supplement not only offers a comprehensive blend of essential nutrients at an affordable price, but it has also been a pleasant surprise in terms of palatability. Unlike some other supplements, my dogs genuinely enjoy it, making it a hassle-free addition to their daily routine. I’ve already noticed positive changes in their overall well-being, from increased energy levels to healthier coats. Rx Vitamins Amino B Plex for Pets has definitely earned a thumbs-up from both me and my furry companions!

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  10. Amazon Customer

    Great Product, I purchased it multiple times already.

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  11. Amazon Customer

    Good price. Half of that at the vets

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    Rx Vitamins Amino B Plex Cat & Dog Supplement – Vitamin B Complex Liquid Plus Amino Acids for Dogs & Cats – Appetite Booster and Weight Gainer Cat & Dog Vitamins – 2 oz
    Rx Vitamins Amino B Plex Cat & Dog Supplement – Vitamin B Complex Liquid Plus Amino Acids for Dogs & Cats – Appetite Booster and Weight Gainer Cat & Dog Vitamins – 2 oz

    Original price was: $17.49.Current price is: $15.74.

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