A form of vitamin B12
Methylcobalamin supplements
5,005 vitamin B12 products in the NIH label database list vitamin B12 as methylcobalamin (34% of the 14,774 vitamin B12 products); their median is 100 mcg of vitamin B12 per serving, against 36 mcg across all vitamin B12 products; the 272 whose only supplement ingredient is vitamin B12 list a median of 2,000 mcg (DSLD version 9.4.0, January 2026).
How does methylcobalamin compare with the other forms?
The median amount of vitamin B12 per serving in products naming each form; the count in brackets. The amount is the vitamin B12 the label gives, as printed.
Median vitamin B12 per serving by form
Source: Supplement Facts rows and their forms, NIH ODS Dietary Supplement Label Database version 9.4.0, current labels.
- Products
- 5,0053,880 on the market
- Median vitamin B12 per serving
- 100 mcgall vitamin B12 products: 36 mcg
- Share of vitamin B12 products
- 34%5,005 of 14,774
What else do these products contain?
| Ingredient | Share of these products | Median here | Median, all products |
|---|---|---|---|
| Vitamin B6 | 80% | 10 mg | 6 mg |
| Folate | 68% | 400 mcg | 400 mcg |
| Niacin | 65% | 25 mg | 20 mg |
| Vitamin C | 59% | 150 mg | 100 mg |
| Thiamin | 55% | 10 mg | 5 mg |
| Riboflavin | 55% | 6.5 mg | 4 mg |
| Pantothenic Acid (Vitamin B5) | 55% | 20 mg | 12 mg |
| Biotin | 49% | 250 mcg | 200 mcg |
| Zinc | 48% | 11 mg | 11 mg |
| Magnesium | 47% | 75 mg | 86 mg |
Which products are they?
60 of the 5,005 (on-market products first, the newest label first), ordered by the amount of vitamin B12 per serving, largest first; an amount that looks like a slip or a compound's weight comes last, marked.
- B12 Methylfolate Select Natural Berry LozengeMoss Nutrition5,000 mcg
- Methyl B-12 5,000 mcgNOW5,000 mcg
- Methyl B-12 Lozenges 5000 mcg Natural Cherry FlavorSolaray5,000 mcg
- Methyl B-12 Lozenges 5000 mcg Natural Lemon Raspberry FlavorSolaray5,000 mcg
- Methyl B12 3000 mcg Berry FlavorCountry Life3,000 mcg
- B Vitamin ComplexSuperiorLabs2,500 mcg
- B12 EnergyWindmill1,000 mcg
- BrainSustain Vanilla DelightXYMOGEN1,000 mcg
- Calcium D3 + K2 + B12O Orgeuos1,000 mcg
- Life Extension Mix Tablets with Extra NiacinLife Extension600 mcg
- Active Methylated B ComplexApproved Science500 mcg
- CelebrateONE 45 with Iron Tropical TwistCelebrate500 mcg
- FocusHost Defense Mushrooms Mycobenefits500 mcg
- Glucoprin +BioPerineApproved Science500 mcg
- Max for Women Iron FreeCountry Life500 mcg
- Mind Boost DaySimple Smart Science500 mcg
- B ActivXYMOGEN400 mcg
- Coenzyme B-Complex AdvancedCountry Life400 mcg
- Daily 1SuperSmart400 mcg
- Daily Essential Nutrients Iron & Copper FreeHardy Nutritionals300 mcg
- Activated B w/SRTJigsaw Health250 mcg
- Active B ComplexCarlson250 mcg
- ActivNutrients without IronXYMOGEN250 mcg
- Multi-ADEKCelebrate250 mcg
- Multivitamin Soft Chews Very CherryCelebrate250 mcg
- Mutli-ADEKCelebrate250 mcg
- ADHD Vitamin SupportBrainchild Nutritionals200 mcg
- BalanceNutraChamps150 mcg
- FITFood Lean Complete French Vanilla Sugar- & Stevia-FreeXYMOGEN125 mcg
- Mens Multi+Butterfly Express120 mcg
- Clinically Advanced Hair, Skin & NailsNOW Solutions100 mcg
- Cogni DefendClean Nutraceuticals100 mcg
- Lean 8LiveGood100 mcg
- MedCaps DPOXYMOGEN100 mcg
- Methyl CompleteNutraMedix100 mcg
- Multi NutriPowderBioCare100 mcg
- Multivitamin Performance Elite MaxCodeage100 mcg
- Neuro PowerDr. Gumman’s Integrative100 mcg
- One Daily Superfood Multi-Vitamin No IronParadise Earth's Blend100 mcg
- Alive! Men's 50+ Ultra Potency Complete MultivitaminNature's Way90 mcg
- ActivNutrients PhytoXYMOGEN85 mcg
- OptiCleanse GHI Creamy Chocolate Sugar-& Stevia-FreeXYMOGEN50 mcg
- OptiCleanse GHI Sugar-& Stevia-Free ChaiXYMOGEN50 mcg
- Alive! Men's Ultra MultivitaminNature's Way40 mcg
- Mood Food ESXYMOGEN30 mcg
- B-Complex plus C & ZincFreeda25 mcg
- FocusHumbleroots Performance25 mcg
- OptiCleanse GHI Lite Vanilla Delight Sugar- & Stevia-FreeXYMOGEN25 mcg
- Complete Plant-Based Protein Delicious Vanilla FlavorLiveGood22 mcg
- Dynamic Brain 300 mgStonehenge Health20 mcg
- C4 Ultimate Hawaiian Punch Fruit Juicy RedCellucor6 mcg
- C4 Ultimate Shred Creamsicle Orange CreamCellucor6 mcg
- C4 Ultimate Strength Frozen BombsicleCellucor6 mcg
- C4 Ultimate Strength WatermelonCellucor6 mcg
- Electrolyte Supreme Fruit PunchJigsaw Health6 mcg
- MagSRTJigsaw Health6 mcg
- Apex Blueberry LemonadeIronwolf Nutrition5 mcg
- Mindful AdvantageDoctors' Preferred4.8 mcg
- Men's Daily Formula Liposomal Delivery Peach FlavorCodeage Nanofood2.4 mcg
- EnergyMDPremium Certified
Source: NIH ODS Dietary Supplement Label Database version 9.4.0; the form each label names for its row. Daily Values: the FDA's Daily Value page.
Which brands make them?
Cellucor (105), Nature's Plus (71), Metagenics (65), XYMOGEN (63), Douglas Laboratories (61), ProCaps Laboratories (56), Nature's Way (55), Pure Encapsulations (55), NaturesPlus (53), SmartyPants (47).