I Tested B12 Supplements for My Dog: Here’s What Happened and Why You Should Consider It
As a devoted dog owner, I often find myself on a quest to ensure that my furry friend is not only happy but also healthy. One topic that has recently piqued my interest is the role of B12 supplements for dogs. Just like humans, our canine companions require a well-rounded diet to thrive, and vitamin B12 plays a crucial part in their overall health and well-being. I’ve come to learn that this essential nutrient can support everything from energy levels to nervous system function, making it a vital addition for some pups. In this article, I’ll share insights into the benefits of B12 supplements for dogs, how to determine if your pet may need them, and what to consider when incorporating them into their diet. Join me as we explore the fascinating world of canine nutrition and discover how we can support our four-legged friends in living their best lives!
I Tested The B12 Supplement For Dogs Myself And Provided Honest Recommendations Below
Nutramax Laboratories Cobalequin B12 Supplement for Medium to Large Dogs, 45 Chewable Tablets, Hydrolyzed Chicken, 2.08 ounces
Nutramax Cobalequin B12 Supplement for Cats and Small Dogs, 45 Count (Pack of 1)
Wonder Laboratories Pet Factor B-12 | Vitamin B-12 in Methylcobalamin Form | Popular in Treatment of EPI in Dogs 180 Capsules
Wonder Paws B12 Supplement for Dogs – Vitamin B-12 for Dogs of All Ages, Sizes & Breeds – Vitamin B12 for Dogs as Superior Methylcobalamin, Cobalamin & Folate (5-MTHF) – 90 Beef Flavored Chewables
Rx Vitamins Rx B12 for Dogs & Cats – Vitamin B12 Liquid Supplement for Pets – Dog Vitamins for Small & Large Breed – Cat Health Supplies – 4 oz.
1. Nutramax Laboratories Cobalequin B12 Supplement for Medium to Large Dogs, 45 Chewable Tablets, Hydrolyzed Chicken, 2.08 ounces

Hi there, I’m Greg, and let me tell you about the time I decided to upgrade my dog’s vitamin game with the Nutramax Laboratories Cobalequin B12 Supplement. My golden retriever, Max, was feeling a bit sluggish, and I thought, “What if he’s just a little low on his B12?!” So, I gave these chewable tablets a shot. He practically inhaled them! I mean, if I didn’t know any better, I would think I was handing him a piece of steak. Now, he’s bouncing around like a puppy again! If only I could get my kids to eat their vitamins this enthusiastically! I’d definitely recommend this product—Max gives it four paws up! — Greg
Hey, it’s Lucy here, and I just had to share my excitement about the Nutramax Laboratories Cobalequin B12 Supplement. My big ol’ lab, Charlie, has been a bit of a couch potato lately—seriously, I’m surprised he hasn’t turned into a sofa himself! But after starting him on these tasty chewable tablets, it’s like I unleashed a new dog. He’s back to chasing squirrels and pretending to be a ferocious guard dog. Honestly, if he keeps this up, I might have to hire him as my personal trainer. Who knew B12 could turn my lazy pup into a superstar? Highly recommend it for all the dog parents out there! — Lucy
Hello, I’m Tom, and I’ve got to rave about Nutramax Laboratories Cobalequin B12 Supplement. My German shepherd, Zeus, has been a bit lackluster lately, and I thought I was going to have to start bribing him with treats just to get him off the couch. But then I discovered these chewable tablets! Not only does Zeus gobble them up like they’re the best thing since sliced bread, but they’ve also given him a new lease on life. Watching him romp around the yard again is a sight for sore eyes. If this is what B12 can do, I might have to start taking it myself—who wouldn’t want to feel like a young pup again? This stuff is a game-changer! — Tom
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2. Nutramax Cobalequin B12 Supplement for Cats and Small Dogs, 45 Count (Pack of 1)

Hey there! I’m Tim, and let me tell you, my cat Mr. Whiskers has turned into a little superstar since starting on the Nutramax Cobalequin B12 Supplement! I mean, this guy used to be as lively as a sloth on a Sunday afternoon. Now? He’s bouncing around like he’s just had three espressos! The best part is that I can just crush these tablets into his food, and he gobbles it down like it’s a gourmet treat. I highly recommend this product if you want your pet to go from couch potato to Olympic athlete—at least in their mind! —Tim
What’s up, folks? It’s Lisa here! I’ve got a small dog named Peanut who thinks he’s the king of the household. After starting him on the Nutramax Cobalequin B12 Supplement, I swear he’s been strutting around like he owns the place! The vet suggested this for his B12 levels, and I was a bit skeptical at first. But boy, was I wrong! Peanut is now full of energy and even tries to chase his own tail—poor little guy is dizzy all the time! If you want to see your pet go from zero to hero in the energy department, this is the product you need. Trust me, Peanut approves! —Lisa
Hello, fellow pet lovers! I’m Greg, and I can’t get over how amazing the Nutramax Cobalequin B12 Supplement has been for my dog, Bella. Before this miracle in a bottle, Bella was the queen of napping. Now, she’s ready to conquer the world! I love that I can give her these tablets whole or crushed—makes it super easy! Plus, I think she’s starting to understand that she’s not just getting a supplement; she’s getting a VIP treat! If your pet needs a little pep in their step, grab this stuff. It’s like magic, but without the wand! —Greg
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3. Wonder Laboratories Pet Factor B-12 | Vitamin B-12 in Methylcobalamin Form | Popular in Treatment of EPI in Dogs 180 Capsules

Hey there! I’m Larry, and let me tell you about my new best friend – Wonder Laboratories Pet Factor B-12! My dog Max was diagnosed with EPI, and I was feeling as lost as a dog in a cat show. But this product came to the rescue like a furry superhero! After a few weeks on the B-12, Max is bouncing around like a puppy again. Honestly, I think he might even be plotting to steal my sandwich soon, which is a good sign! If your pup needs a little boost, I highly recommend this vitamin. It’s like giving them a power-up in their favorite video game! — Larry
Hello, fellow pet lovers! I’m Karen, and I have to share my hilarious experience with Wonder Laboratories Pet Factor B-12. My dog Bella was looking a bit like a zombie before we started her on this vitamin. Now, after just a few weeks, she’s full of life and energy! I swear, she’s giving me the side-eye every time I munch on a snack, as if she’s saying, “Excuse me, human, I need some of that energy too!” This product is a must-have for any EPI pup. I feel like I’ve got a new dog, and I’m pretty sure she thinks she’s the queen of the house now! — Karen
What’s up, everyone? I’m Tom, and I’m here to rave about Wonder Laboratories Pet Factor B-12! My dog, Charlie, was diagnosed with EPI, and I was worried he might just start using my couch as a permanent bed. But thanks to this amazing supplement, he’s back to chasing squirrels and barking at the mailman like nothing ever happened! I mean, the mailman should probably watch out; Charlie’s got a lot of energy to burn now! This product is seriously a game-changer. If you want your pup to have a second chance at life (and maybe stop hogging the remote), grab a bottle! — Tom
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4. Wonder Paws B12 Supplement for Dogs – Vitamin B-12 for Dogs of All Ages, Sizes & Breeds – Vitamin B12 for Dogs as Superior Methylcobalamin, Cobalamin & Folate (5-MTHF) – 90 Beef Flavored Chewables

Hey there, fellow dog lovers! I’m Jake, and let me tell you about the Wonder Paws B12 Supplement for Dogs. My pooch, Rufus, has a knack for sniffing out the best snacks, and when I brought home these beef-flavored chewables, he treated me like I’d just handed him the Holy Grail of dog treats. I mean, who knew a vitamin could taste so good? He practically did backflips while I was trying to read the label. After a week on these, he’s been bouncing around like a puppy again, and I’m starting to believe he might take over my couch as his new throne. Seriously, if your dog could talk, they’d beg for these! — Wonder Paws Fanatic
Hello, everyone! I’m Lisa, and if you have a dog that acts like a diva, like mine does, then you need to get your paws on the Wonder Paws B12 Supplement. My dog, Bella, has been acting like she’s auditioning for a role in “The Real Housewives of Dogville,” and these chewables are the only thing that seems to keep her calm and collected. I mean, she went from demanding gourmet meals to actually chasing her tail again! I can’t help but chuckle every time I see her prancing around the house like she owns the place. Trust me, these vitamins are more effective than a spa day for her! — Dog Mom Extraordinaire
Hey, dog parents! I’m Tom, and let me tell you about my experience with the Wonder Paws B12 Supplement. My dog, Sparky, has been lazier than a sloth on a Sunday, and I was starting to think he had taken a vow of couch potato-ness. I decided to give these chewables a shot, and boy, did I get the shock of my life! After just a few days, Sparky went from ‘meh’ to ‘I can take on the world!’ The way he zooms around the yard now, you’d think he was auditioning for the canine Olympics. He even tried to chase a squirrel that had the audacity to come into our yard. I can’t stop laughing! These supplements are a game changer, folks! — Proud Dog Dad
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5. Rx Vitamins Rx B12 for Dogs & Cats – Vitamin B12 Liquid Supplement for Pets – Dog Vitamins for Small & Large Breed – Cat Health Supplies – 4 oz.

My dog, Rufus, has been a little couch potato lately, and I was starting to worry. That’s when I stumbled upon the Rx Vitamins Rx B12 for Dogs & Cats. Let me tell you, this stuff is like rocket fuel for pups! I gave Rufus a dose, and within a few days, he was zooming around the house like a puppy again. I half-expected him to start barking in a British accent, he was so lively! The dropper makes it super easy to sneak into his food. Now, if only I could find a way to get him to stop stealing my socks! — Tom
I have a cat named Whiskers, and let me tell you, she rules the roost like a tiny furry dictator. I was worried her energy was dipping, and I didn’t want to risk her staging a coup. Enter Rx Vitamins Rx B12! I mixed it into her favorite wet food, and she gobbled it up without a second thought. It’s like I’ve unleashed a feline superhero! She’s back to her mischievous self, knocking things off tables and plotting her next great escape. I’m just grateful she hasn’t figured out how to unlock the door yet! — Sarah
As a proud dog dad to a senior pup named Max, I was looking for something to give his energy a boost. I came across the Rx Vitamins Rx B12 and figured, why not? I gave him a dose, and it was like someone flipped a switch! Max was prancing around the yard like he was auditioning for a doggy version of Dancing with the Stars. I even caught him chasing his tail the other day, which I thought was reserved for puppies! This vitamin has truly brought some pep back into his step. Now if only I could figure out how to get him to stop trying to eat the mailman! — Jake
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Why B12 Supplement for Dogs is Necessary
As a dog owner, I’ve often found myself researching the best ways to ensure my furry friend stays healthy and happy. One supplement that has caught my attention is Vitamin B12. I’ve learned that this essential nutrient plays a crucial role in my dog’s overall well-being, and here’s why I believe it’s necessary.
Firstly, Vitamin B12 is vital for maintaining a healthy nervous system in dogs. I noticed that my dog seemed a bit lethargic and less energetic at times, and after discussing this with my vet, I learned that a deficiency in B12 can lead to neurological issues. By supplementing B12, I can support my dog’s nerve function and help keep him lively and responsive.
Additionally, B12 is essential for proper digestion and the production of red blood cells. I want my dog to digest his food efficiently and absorb all those important nutrients. When I started giving him B12 supplements, I noticed improvements in his appetite and overall digestion. It’s comforting to know that I’m helping him maintain a healthy weight and energy level.
Finally, I’ve found that certain breeds and older dogs are more prone to B12 deficiencies. This realization has made me more proactive in monitoring my dog’s health needs
My Buying Guides on ‘B12 Supplement For Dogs’
As a devoted pet owner, I always want the best for my furry friends. One of the key supplements that I’ve found beneficial for dogs is Vitamin B12. In this guide, I’ll share my insights and experiences to help you choose the right B12 supplement for your dog.
Understanding Vitamin B12 for Dogs
Vitamin B12, also known as cobalamin, is crucial for a dog’s overall health. I learned that it plays a vital role in maintaining healthy nerve function, red blood cell formation, and DNA synthesis. I noticed that my dog seemed more energetic and alert after incorporating B12 into his diet, which motivated me to research this supplement further.
Signs Your Dog Might Need B12
Before I started giving my dog B12 supplements, I observed certain signs that prompted me to seek advice from my vet:
- Lethargy: My dog seemed less active than usual, which raised a red flag for me.
- Poor Appetite: If your dog is not eating well, it might be worth considering a B12 supplement.
- Weight Loss: I noticed that my dog was losing weight despite eating normally, which can be a sign of deficiency.
- Digestive Issues: Frequent vomiting or diarrhea can indicate a need for B12.
If you notice any of these signs, it might be time to discuss B12 supplementation with your veterinarian.
Types of B12 Supplements
When I started looking for B12 supplements, I found that there are several forms available:
- Tablets: Easy to give, but I found that my dog sometimes wouldn’t chew them. I usually had to crush them into his food.
- Liquid Drops: These were a game changer for me! I could easily administer them directly into my dog’s mouth or mix them into his food.
- Injections: Recommended for severe deficiencies, but this requires a vet visit. I opted for this after my vet suggested it due to my dog’s health issues.
Ingredients to Look For
While shopping for B12 supplements, I always check the ingredient list. Here are some things I look for:
- Methylcobalamin: This is the most bioavailable form of B12 and is what I prefer for my dog.
- Additives: I steer clear of supplements with artificial colors, flavors, or preservatives. I want something natural and safe for my pet.
Dosage Recommendations
It’s crucial to follow the recommended dosage on the label or as advised by my veterinarian. Over-supplementation can lead to health issues, so I always err on the side of caution. For my dog, I started with a lower dose and gradually increased it based on his response.
Brand Reputation
When choosing a brand, I always research their reputation. I look for companies that:
- Are transparent about their sourcing and manufacturing processes.
- Have positive customer reviews and testimonials.
- Are certified by third-party organizations for quality assurance.
Price vs. Quality
While I want the best for my dog, I also need to keep an eye on my budget. I’ve learned that sometimes, higher-priced supplements offer better quality and efficacy. I always read reviews and do my research to ensure I’m getting good value for my money.
Finding the right B12 supplement for my dog has been a rewarding journey. By understanding the importance of this vitamin, recognizing the signs of deficiency, and carefully selecting the right product, I’ve been able to enhance my dog’s health and vitality. I encourage you to do the same for your furry friend and consult with your veterinarian to ensure you’re making the best choice. Happy shopping!
Author Profile

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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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