Best Vitamin B12 Supplements of 2025

"I include this in my daily vitamin regimen. It ships fast and is a good price."

"I have a B12 deficiency, and for the first time in years, I have nails without ridges. This vitamin is easy on my stomach!"

"I absolutely love these! Whenever I feel lethargic, I take one and feel better in less than 20 minutes. They definitely give me more energy!"

"I was late writing my review of Nature Made Vitamin B12 1000 mcg. After several months of taking them, I can confidently say they've significantly improved my B12 levels. I was previously diagnosed with a deficiency, but after a year of one capsule daily, my latest blood work showed excellent results! I feel more energetic and less fatigued. They come in easy-to-swallow soft gels, which is a plus."

"Since my doctor informed me about my B12 deficiency, I’ve been using these vitamins and have seen great improvements in my energy levels after just a couple of days. They are easy to swallow and come at a good price."

"I couldn't believe how affordable these vitamins were compared to in-store prices! I ordered a bottle for a friend as well and have experienced no issues. My B12 levels are back up, and they feel fresh. Overall, they offer great value and results!"

“I bought these for a friend who struggles with swallowing pills. He needed B-12, and this product was a no brainer. He enjoys the taste and quality, and I find it a good value for the price.”

“I've tried various sublingual B12 vitamins, and I really like these. They have just the right consistency—not too powdery or mushy—and they dissolve quickly. My husband thinks they taste good too!”

“Our doctor recommended this brand for sublingual B-12. It has a nice flavor and dissolves fairly quickly. I can’t say I feel remarkably different, but I do think I have a bit more stamina going into the holidays.”

"I've found that Nature Made B12 gives me a noticeable boost in energy levels. It's easy to take and has supported my metabolism effectively."

"I ordered Nature Made B12 vitamins and they arrived on time, well-packaged. I've been using this brand for a while and appreciate its reasonable pricing and effectiveness."

"I take Nature Made Vitamin B12 regularly. The time-release formula keeps my energy consistent throughout the day, and I love that it comes with 160 tablets."

"I've always had a problem with gummy vitamins tasting overly sweet, but these taste great and have a really nice texture."

"I've been using this vitamin for a few months now, and I've purchased it more than six times. It's just super nice and tasty!"

"I find this product to be high quality and great value. Since starting it, my energy levels have improved, especially since I take medications that make me tired."

"I've found that this supplement has been extremely effective for me. My latest blood test results show significant improvement. The pill is easy to swallow and has no aftertaste. While it hasn't impacted my mood or sleep, that's not why I'm taking it. I do think it's a bit more expensive than others, but the better ingredients justify it."

"As a repeat customer, I can confidently say I'm hooked on this brand. The price is reasonable for the quality, and the pills are smaller than typical vitamins with zero taste. They absorb well and have positively impacted my health and sleep quality."

"I've been using Thorne supplements for several years, and they are top quality. They're easy to swallow and have no bad taste. I appreciate the great selection of supplements available."

"My endocrinologist recommended a vitamin supplement for my low B12 levels. After taking Nature Made Vitamin B12 daily for about a month, I started feeling more energetic and wasn't falling asleep during the day anymore. My doctor confirmed my levels improved significantly, and I'm grateful for this product's affordability and effectiveness."

"I added Nature Made Vitamin B12 500 mcg to my daily routine and noticed a boost in energy. The tablets are easy to swallow, and with a 200-day supply, it's a great value. I highly recommend it for anyone needing energy metabolism support."

"My husband was advised by his cardiologist to take a B12 supplement, so I chose Nature Made because of their trustworthiness. After a little over a month, we've seen improvements in his energy levels and sleep patterns, which has made a significant difference in his daily life. We're really thankful for this supplement!"

"I've been using NatureMade for years. B12 was a must for me, and this product really helped since I was totally depleted. The quality and health benefits have been great. They melt under your tongue, making them easy to use, and they taste good too. Good value for the money. As always, check with your doctor before starting any supplement. I'll definitely buy again!"

"These B12 tablets dissolve quickly under my tongue, and I think they taste pretty good. I will definitely be buying more in the future!"

"I have low vision and I'm using Siri to write this, so please excuse any strange words. I found this product to be a little bit harder to chew than the previous ones I’ve tried, but it's still chewable and tastes okay. The price was good and the quality seems great. The bottle even smells nice, so I think you'll be fine with it, just be prepared to use your chompers a little harder!"

"I've found these little nuggets to be a lifesaver! I used to dread those large, chalky B12 pills. These melt quickly under my tongue, and I hardly taste them. Plus, I've noticed a boost in energy and clarity – I'm no longer foggy-brained!"

"For about six years, I've been using this brand of sublingual B-12. It has a pleasant taste and gives me a noticeable boost in my energy and platelets. I can really feel the difference when I skip them."

"As a vegan, I was looking for a sublingual B12 with better absorption. I found it in this product! The pleasant strawberry flavor is a nice touch, and I appreciate that Solgar is a reputable brand."

“I found the texture and taste a bit different at first, but after a few days, I actually started to enjoy it. The results have been great; my energy levels improved significantly after a week.”

“I take these gummies daily, and they provide the energy I need. They're soft and easy to chew, plus the price is reasonable.”

“Post-bariatric surgery, I’m focused on nutrition. These raspberry-flavored gummies are delicious and easy to eat. While I can't say I've noticed a boost in energy, I appreciate their value and taste.”