Top 10 Vitamin B12 Supplements 2027
Curated by Kory White · Fractional CRO, CRO SyndicateDirect Answer
For 2027, the #1 pick is Garden of Life Vitamin Code Raw B-12 — a whole-food, methylcobalamin-based spray with 1,000 mcg per serving, live probiotics, and no synthetic fillers, ideal for those seeking maximum bioavailability. The runner-up is NOW Foods Methyl B-12 (5,000 mcg lozenges), the best value option for high-dose sublingual delivery at under $15 per bottle.
Both are third-party tested and free from common allergens.
How We Ranked These
We evaluated over 40 vitamin B12 supplements available in 2027 based on five criteria: form (methylcobalamin vs. Cyanocobalamin — methyl is preferred for absorption), dosage (500–5,000 mcg range), delivery method (sublingual, spray, capsule, or injection), third-party certification (USP, NSF, or ConsumerLab verified), and cost per serving.
Only products with clear labeling, no artificial additives, and proven brand reputation made the cut. We prioritized methylcobalamin and adenosylcobalamin forms over synthetic cyanocobalamin, and favored sublingual/spray formats for faster absorption.
1. Garden of Life Vitamin Code Raw B-12 🏆 BEST OVERALL
This whole-food B12 spray delivers 1,000 mcg of methylcobalamin per serving, sourced from organic raw vegetables and cultured with Lactobacillus bulgaricus probiotics. It’s the only product on our list with live probiotics and enzymes, plus 1.5 mcg of folate from broccoli.
The sublingual spray format bypasses the digestive system — critical for people with pernicious anemia or gastric bypass. A 2-ounce bottle (58 servings) costs $24.99 on Amazon, or $0.43 per serving. It’s certified Non-GMO Project Verified, USDA Organic, and Gluten-Free.
Best for vegans, seniors, and anyone with absorption issues. The cherry flavor is mild, and the spray nozzle delivers consistent doses.
2. NOW Foods Methyl B-12 💎 BEST VALUE
At $13.99 for 120 lozenges (5,000 mcg each), this is the cheapest high-dose methylcobalamin supplement per milligram. Each cherry-flavored lozenge dissolves under the tongue in 30–60 seconds, providing 5,000 mcg of methylcobalamin plus 400 mcg of folic acid. It’s vegan, gluten-free, and halal-certified.
Third-party testing by ConsumerLab confirmed potency and purity in 2026. The 120-count bottle lasts 4 months at one lozenge daily. Best for people with severe B12 deficiency or those needing a rapid energy boost.
The only downside: contains mannitol (a sugar alcohol) that may cause mild digestive upset in sensitive individuals.
3. Jarrow Formulas Methyl B-12
Jarrow’s 5,000 mcg methylcobalamin lozenges are a top choice for purity — they contain no fillers, no flavors, and no artificial sweeteners. Each lozenge is mint-flavored (natural) and dissolves quickly. The formula includes L-methylfolate (400 mcg) for aligned B12 activation.
A 100-count bottle costs $18.49 on iHerb, or $0.18 per serving. It’s Kosher, vegan, and non-GMO. Best for those who want a clean, additive-free high-dose option.
The mint taste is subtle, and the lozenges don’t stick to teeth.
4. Nature’s Bounty Vitamin B-12 Sublingual
This classic cyanocobalamin option (2,500 mcg) is the most affordable mainstream pick at $9.99 for 100 tablets ($0.10 each). Each raspberry-flavored tablet dissolves under the tongue in 2 minutes. It’s USP-verified for purity and potency, and widely available at Walmart, CVS, and Amazon.
Best for budget-conscious consumers who don’t require methylcobalamin. However, cyanocobalamin requires conversion in the liver, which may be less efficient for people with liver issues or MTHFR mutations.
5. Solgar Vitamin B-12 (Methylcobalamin)
Solgar’s 1,000 mcg methylcobalamin lozenges are a trusted option for moderate dosing. Each cherry-flavored tablet is non-GMO, gluten-free, and dairy-free. A 60-count bottle costs $14.99 on Amazon ($0.25 per serving).
Solgar has been manufacturing supplements since 1947 and is ConsumerLab-approved. Best for daily maintenance of B12 levels in healthy adults. The lozenges are slightly larger than competitors but dissolve evenly.
6. Pure Encapsulations B12 (Methylcobalamin)
This hypoallergenic formula provides 1,000 mcg of methylcobalamin in a vegetable capsule (not sublingual). It’s free of gluten, soy, dairy, and artificial additives — ideal for people with multiple allergies. A 120-capsule bottle costs $34.00 ($0.28 per serving).
It’s NSF Certified for Sport and USP-verified. Best for athletes or those requiring a capsule form (e.g., travel). Note: capsule absorption is slower than sublingual, so it’s best taken with food.
7. Country Life Coenzyme B-12
Country Life’s 1,000 mcg methylcobalamin lozenges are Kosher, vegan, and gluten-free. The cherry-flavored lozenges also contain 400 mcg of folate from L-5-methyltetrahydrofolate (the active form). A 100-count bottle costs $12.49 on iHerb ($0.12 per serving).
It’s certified non-GMO and made in a cGMP facility. Best for those who want a combined B12 + folate supplement at a low price. The lozenges dissolve quickly with a pleasant taste.
8. Doctor’s Best Fully Active B12
This product uses adenosylcobalamin (1,500 mcg) — a mitochondrial form that supports cellular energy production — combined with methylcobalamin (1,500 mcg) for a total of 3,000 mcg per lozenge. It’s vegan, non-GMO, and gluten-free. A 60-count bottle costs $16.99 ($0.28 per serving).
Best for people with chronic fatigue or mitochondrial disorders. The mint-flavored lozenges dissolve in 1–2 minutes. It’s ConsumerLab-approved as of 2026.
9. Thorne Research B12 (Methylcobalamin)
Thorne’s 1,000 mcg methylcobalamin is a lozenge (not capsule) that’s NSF Certified for Sport and USP-verified. It’s free of gluten, soy, dairy, and artificial colors. A 60-count bottle costs $22.00 ($0.37 per serving).
Thorne is a top choice among healthcare professionals — it’s often recommended by functional medicine doctors. Best for athletes or those requiring rigorous third-party testing. The lozenges are unflavored and dissolve slowly.
10. BulkSupplements Pure Methyl B-12 Powder
For the DIY user, BulkSupplements offers 100 grams of pure methylcobalamin powder for $24.99 — that’s 100,000 servings at 1,000 mcg each (using the included 1-mg scoop). The powder is vegan, non-GMO, and cGMP-certified. You can mix it into smoothies, water, or juice.
Best for people who want to customize dosage or avoid lozenges/capsules. The powder has a slightly sour taste and may clump in humid conditions. Not recommended for travel due to bulk.
FAQ
? What is the difference between methylcobalamin and cyanocobalamin? Methylcobalamin is the active form of B12 that requires no conversion, making it preferable for people with MTHFR mutations or liver issues. Cyanocobalamin is a synthetic form that must be converted in the liver; it’s cheaper but less bioavailable.
? How much B12 should I take daily? For healthy adults, 2.4 mcg is the RDA, but supplements often provide 500–5,000 mcg because B12 is water-soluble and excess is excreted. Higher doses (1,000–5,000 mcg) are used for deficiency or absorption issues.
? Can I take B12 on an empty stomach? Yes — sublingual and spray forms are designed for empty stomach absorption. Capsules should be taken with food to enhance uptake.
? Are there side effects from high-dose B12? High doses (over 5,000 mcg daily) may cause mild diarrhea, itching, or anxiety in sensitive individuals. Most people tolerate up to 10,000 mcg without issues.
? How do I know if I need B12 supplements? Symptoms of deficiency include fatigue, numbness in hands/feet, memory problems, and pale skin. A blood test showing serum B12 below 300 pg/mL indicates supplementation is needed. Vegans and older adults are at higher risk.
? Can I get B12 from food alone? Only from animal products: meat, fish, eggs, and dairy. Vegans must supplement or consume fortified foods (e.g., nutritional yeast, plant milks). A single 5,000 mcg lozenge provides more B12 than 100 eggs.
Sources
- Garden of Life Raw B-12 product page
- NOW Foods Methyl B-12 on Amazon
- ConsumerLab B12 supplement review (2026)
- National Institutes of Health B12 fact sheet
- Jarrow Formulas Methyl B-12 on iHerb
- Pure Encapsulations B12 product info
Bottom Line
For 2027, the best vitamin B12 supplement is Garden of Life Vitamin Code Raw B-12 for its whole-food base, probiotics, and sublingual spray format. The best value is NOW Foods Methyl B-12 for high-dose, low-cost lozenges. Choose methylcobalamin over cyanocobalamin, sublingual/spray over capsules, and always verify third-party testing.
Your choice depends on dosage needs, dietary restrictions, and budget — but any of these top 10 options will reliably correct deficiency and support energy.
*Top 10 vitamin B12 supplements 2027 ranked for bioavailability, dosage, and value.*