THORNE – B-Complex #12 – Vitamin B Complex with Active B12 and Folate – 60 Capsules | ⭐ Flexiology.Store Recommended
$25.00
🌿 Expert Tip: Handpicked for natural health, wellness & beauty.
Price: $25.00
(as of Oct 01, 2025 17:21:13 UTC – Details)
From the brand




Foundational Wellness




Sports Nutrition


Is Discontinued By Manufacturer : No
Product Dimensions : 2.09 x 2.09 x 3.72 inches; 1.76 ounces
Item model number : B112
Date First Available : September 13, 2007
Manufacturer : Thorne Research
ASIN : B0797JXKL9
Best Sellers Rank: #3,163 in Health & Household (See Top 100 in Health & Household) #13 in Vitamin B-Complex Supplements #332 in Diet & Sports Nutrition
Customer Reviews: 4.7 4.7 out of 5 stars 3,731 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); } }); });
Nervous System: Promotes an optimally functioning nervous system*
Cellular Energy: B vitamins promote cellular energy production by supporting the conversion of carbohydrates into energy, as well as the optimal metabolism of fats and proteins*
Complete Formula: An optimal balance of eight B vitamins with extra vitamin B12, plus choline, in their active forms to enhance absorption in the body*
3rd Party Contents Certified: This product has been third-party tested and certified to verify what’s in the package matches what’s on the label
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners
Customers say
Customers find this B-complex supplement to be of high quality with pure ingredients, including biologically active forms of vitamin B12, and appreciate its effectiveness in boosting energy levels without jitters. They consider it good value for money and easy to swallow, with one customer noting it provides a steady energy boost throughout the day. While many report feeling better overall, some experience headaches.
AI Generated from the text of customer reviews
🌿 Expert Tip: Selected by our Flexiology Experts for quality & value.
⚠️ Disclaimer: Information is for educational purposes and not a substitute for medical advice. Consult your physician before use. Flexiology.Store is not responsible for any adverse effects.
11 reviews for THORNE – B-Complex #12 – Vitamin B Complex with Active B12 and Folate – 60 Capsules
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The Honest Dose –
🔬 Honest Review, Pure & Effective Energy Boost!
I’ve been taking THORNE Vitamin B12 for 5 months now, and I can confidently say it’s one of the best B12 supplements I’ve tried! Here’s my honest breakdown:🔹 What I Love:✔️ Highly absorbable formula, THORNE uses methylcobalamin, the active form of B12, making it easier for the body to absorb.✔️ Energy & mental clarity, Since taking this daily, I’ve noticed a huge improvement in my energy levels, and I no longer feel sluggish throughout the day. It has also helped with my mental focus and concentration.✔️ Supports recovery & mood, This has been a game changer for me in recovering from sleep deprivation and anxiety. I feel more balanced and less fatigued.✔️ Clean, high-quality ingredients, No unnecessary fillers, additives, or artificial ingredients. THORNE is a trusted brand that prioritizes purity.✔️ No weird aftertaste, Some B12 supplements have a strong taste, but this one is neutral and easy to take.🔹 What Could Be Better:❌ Small bottle, I wish it came in a larger size, especially since I take 2 daily!❌ Not the cheapest option, It’s a premium supplement, but given the quality, I think it’s worth it.🔹 My Personal Experience:I originally started taking B12 to help with energy, nervous system support, and recovery from stress, and this supplement has exceeded my expectations. I feel more alert, less anxious, and overall healthier since incorporating it into my routine. It’s now a staple in my daily supplements!🔹 Final Verdict: 10/10 ⭐️Would I recommend it? Absolutely! If you need a high-quality, effective B12 supplement for energy, brain function, and nervous system support, this is one of the best options out there.
Ashley Marie –
Clean supplement that works
I trust Thorne because their formulas are high quality and tested. This B complex gives me steady energy without the crash I get from cheaper brands. Easy to take and no weird aftertaste and I feel a difference when I’m consistent.
Shakhzoda –
Good quality
Good qualityWorks really well!!!
Netherlands –
B complex
Great product -great brand – b complex meets my needs of this vitamin as well my husbands
Michael Mollohan –
Excellent B-Complex Supplement!
Disclaimer: The FDA does not evaluate dietary supplement statements, and they are not intended to diagnose, treat, cure, or prevent any disease. I am not a doctor, pharmacist, or any other medical expert. This review is not intended to diagnose, treat, cure, or prevent any illness, injury, disease, or medical condition. The intention of the review is for informational purposes only. You should consult your doctor or healthcare provider before taking any supplement(s).Dietary supplements are designed to enhance a well-balanced diet and promote a healthy lifestyle. The best ways to get vitamins, minerals, antioxidants, and to live a happy healthy lifestyle are: eating a healthy balanced diet including more vegetables and fruits, staying hydrated, exercising, weight management, stress management, not smoking, vaping, or using tobacco products, limit alcohol consumption, have a positive outlook, and get plenty of quality sleep. Supplements do not cure anything, but they may fill gaps you are missing from your diet or dietary restrictions.Remember supplements are not for everyone. Some people should avoid using supplements due to health conditions or other factors. For instance, it is unknown if certain supplements are safe to use while pregnant or breastfeeding. If you are unsure if you need to take a supplement: Consult your doctor, registered dietitian, pharmacist, or healthcare provider before starting any supplement(s). A healthcare professional will ensure that the supplements do not interfere with any prescribed medications, thus preventing potential risks or complications. Your doctor can run tests which can identify lack of vitamins, minerals, or any hormonal imbalances.During a routine blood check my doctor reported my vitamin B was low and I needed to take B-Complex supplement. I researched and tried other B-Complex supplements, and I did not feel any difference. So, I switched to Thorne B-Complex #12.Excellent B-Complex Supplement! I have been using Thorne B-Complex #12 for six months now, and I can confidently say it is one of the best B-vitamin supplements I have tried. The combination of active B12 and folate makes a noticeable difference in my energy levels and mental clarity. Additionally, during my next visit, my doctor reevaluated my blood and my vitamin B was in normal range again. I appreciate that Thorne uses high-quality ingredients without unnecessary additives.The capsules are easy to swallow, and I have not experienced any digestive discomfort, which can sometimes happen with other B-complex supplements. I also love that it is third party evaluated for purity and potency, giving me peace of mind about what I am putting into my body.What I like about the product is:1. They use quality ingredients.2. No digestive issues.3. They are third party tested.What I do not like and what prevents the product from receiving a perfect 5-star rate:1. The product is higher priced than other B-Complex supplements.If you are looking for a clean, effective B-complex supplement, I highly recommend this one!
Liz –
Great product
The quality of this vitamin is great! I feel instantly better after taking one dose.
William Pérez Palomeque –
Thorne B-Complex #12 has been a total game-changer for my energy levels. It’s like a secret weapon for those dragging afternoons—I feel more focused and less like I need a caffeine IV to get through the day. The active forms of B12 and folate make a big difference, especially if your body struggles to process the synthetic versions found in other supplements.I also love that it’s gentle on the stomach. I’ve taken it on an empty stomach without any issues, which is rare for a B-complex. The capsules are small and easy to swallow, and there’s no weird aftertaste or bright yellow “B-vitamin pee” (if you know, you know).The only downside is the price—it’s on the premium side, but with Thorne’s reputation for quality and clean ingredients, it’s worth it. Plus, with only one capsule a day, the bottle lasts longer than you’d think.If you’re looking for a high-quality B-complex that boosts energy, supports mood, and doesn’t mess with your stomach, this is it.4.8/5
Simon –
Took a couple of extra weeks to arrive from the others ordered on the same day, however, the product itself is good
paul loughlin –
As described thanks vm
DutchAussieKiwi –
Whilst a great product on the surface it contains far too much B6 to be a daily product which is disappointing as the rest of the contents are fine. Excess B6 causes Neuropathy which is the last thing we need as we age, esp when we already have issues with neuropathy. Unfortunately most of these products are now the same thus will have to look for another range in future
Fawzi Bustami –
if you are looking for a good B12 vitamin, then this is the one.