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Vegan B12 2500 mcg

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4.8
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(1531 ratings)
Vitamin B12 2500 mcg
Product Image
Score85
A simple vegan methylcobalamin tablet with very concentrated dosing. It is a strong targeted B12 option but excessive for many maintenance users.
How scoring works
Quantity:90 Tablet(s) • (90 servings)
Goals:
General Health
Energy
Hair Health
Productivity Boost

Score 85

A simple vegan methylcobalamin tablet with very concentrated dosing. It is a strong targeted B12 option but excessive for many maintenance users.
How scoring works
$9.63($0.10 per serving)
iHerb
$ 12.34
Pure Formulas
$ 9.63
Amazon
$ 12.98
iHerb
$ 10.72
Vitacost
$ 11.83
Report prices

Analysis

The 2,500 mcg methylcobalamin serving supports B12-dependent blood formation, nerve function, and energy metabolism. Its bioactive form and exact amount are clearly disclosed.

The vegan tablet keeps the formula simple and avoids unnecessary active blends. Standard swallowed delivery does not provide the mouth-based absorption focus of a lozenge or spray.

The product is best for users with higher B12 needs rather than broad daily wellness. Extra dose will not create stimulant-like energy or improve hair when B12 status is already adequate.

Who is it for
  • Vegan adults with elevated B12 needs
  • Users seeking high-potency methylcobalamin
  • People preferring tablets
Best for
  • Targeted B12 supplementation
  • Normal nerve support
  • Deficiency-related energy metabolism

Pros

  • Bioactive B12 form
  • Very concentrated amount
  • Simple vegan formula
  • Clear label disclosure

Cons

  • No mucosal delivery advantage
  • Amount exceeds many maintenance needs
  • Single-nutrient coverage
  • No acute energy pathway

Warnings

  • The 2,500 mcg amount is better suited to a specific high-potency need than casual use.
  • A swallowed tablet may not address a diagnosed absorption disorder by itself.
  • Energy and hair benefits are unlikely when B12 status is already sufficient.

Nutrient quality

85 Highest impact

Methylcobalamin is a direct, well-regarded form of vitamin B12. Vitamin B12 has low known toxicity, though the high routine amount may be unnecessary.

.

Ingredient transparency

88 Highest impact

A specific amount is supplied for every listed active ingredient. No proprietary blend hides the active doses.

.

Customer satisfaction

71 High impact

The supplied aggregate rating is very strong. No complaint themes or purpose-specific experience details are supplied.

.

Value for money

94 Highest impact

The simple formula and favorable qualitative positioning support strong value. The single-active formula contains no obvious low-value active extras.

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Report analysis

Goals

General Health
General Health
Impact
Highest effect
A+ Goal FitA+ Strength of SupportC+ CoverageA+ Formula Quality
Vitamin B12 · 2500 mcg

Bioactive methylcobalamin at a clearly stated high amount gives focused support for B12-dependent energy metabolism and nerve function. The dose suits targeted supplementation for higher needs.

A swallowed tablet offers no mucosal delivery advantage and the formula covers only one foundational nutrient. Its simple construction still provides strong depth without unnecessary blends.

Study evidence
Vitamin B12 Adverse 66 studies
Energy
Energy
Impact
Highest effect
A- Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality
Vitamin B12 · 2500 mcg

Methylcobalamin supplies a preferred vitamin B12 form for nerve function, DNA synthesis, and normal blood-cell formation. The amount is precisely disclosed and suitable for a targeted high-dose strategy.

The serving is far above ordinary maintenance needs and does not cover wider foundational nutrition. Strong form quality improves B12 delivery but does not make the product a broad daily-health formula.

Hair Health
Hair Health
Impact
High effect
B- Goal FitA Strength of SupportD+ CoverageA+ Formula Quality

Vitamin B12 supports red blood cell formation and may help hair growth when deficiency contributes to shedding. Methylcobalamin is a bioactive B12 form, while extra B12 is unlikely to improve hair in people who already have adequate status.

The single-nutrient design provides depth for B12 needs but does not address other common causes of hair loss. Benefits are most likely when low B12 status contributes to anemia-related shedding.

Study evidence
Vitamin B12 Disputed 17 studies
Productivity Boost
Productivity Boost
Impact
High effect
D Goal FitA- Strength of SupportF CoverageA+ Formula Quality
Vitamin B12 · 2500 mcgVitamin B12 · 2500 mcg

Vitamin B12 may reduce fatigue and restore concentration when low status is the cause. It is not a direct productivity booster for people whose B12 status is already adequate.

The 2,500 mcg amount is substantial and uses bioactive methylcobalamin. The swallowed tablet is conventional does not add another focus, alertness, or stress-resilience pathway.

Study evidence
Vitamin B12 Supportive 15 studies
Vitamin B12 No effect 17 studies

Ingredients

IngredientAmount per serving
Vitamin B12 (Methylcobalamin)
 2500 mcg
Gluten Free Adults 18–50 Vegan Sugar Free Vegetarian
Report overview
Vitamin B12 (Methylcobalamin) · 2500 mcg OverallScore95
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Methylcobalamin combines a bioactive form with a highly concentrated dose. The standard swallowed tablet does not provide the mucosal delivery advantage of a lozenge or spray. Strong dose efficiency makes the cost per active amount especially low.

View ingredientView products
Loading alternative details
94 Performance

Methyl B-12 1000 mcg & Methyl Folate 400 mcg plus P-5-P Lemon Flavor

Jarrow Formulas
<p>Methylcobalamin, methyl folate, and active B6 provide related support for energy and methylation pathways. Compared with the original high-dose methylcobalamin formula, the companion nutrients are purposeful and clearly dosed rather than being an opaque or unrelated blend.</p>
91 Performance

B12 Energizer+ Natural Cherry Flavor

Advanced Nutrition by Zahler
<p>A bioactive B12 form and substantial serving provide focused support for higher intake needs. The simple formula is easy to assess alongside the original high-dose methylcobalamin formula, though the amount may exceed routine maintenance needs.</p>
90 Performance

B12 2500 mcg Red Cherry

EZ Melts
<p>Fast-melting methylcobalamin provides a bioactive form and delivery suited to use in the mouth. Compared with the original high-dose methylcobalamin formula, clear high-dose disclosure and convenient delivery strengthen practical absorption-oriented use.</p>
94 Budget

Quick Dissolve B-12 Methylcobalamin 2500 mcg

Nature's Bounty
<p>Serving cost is lower than the original high-dose methylcobalamin formula, while the active B12 amount remains meaningful. Quick-dissolve methylcobalamin supplies a bioactive form and substantial amount, though the amount may exceed routine maintenance needs.</p>
91 Budget

Vitamin B12 2000 mcg

Nutricost
<p>Serving cost is lower than the original high-dose methylcobalamin formula, while the active B12 amount remains meaningful. A simple methylcobalamin formula provides a substantial amount, while people with adequate B12 status may gain little from routine high-dose use.</p>
93 Budget

B12 Methylcobalamin 1000 mcg

Natural Factors
<p>Serving cost is lower than the original high-dose methylcobalamin formula, while the active B12 amount remains meaningful. Methylcobalamin provides a bioactive form at a meaningful amount without unrelated nutrient extras, though inactive ingredients and full directions are missing.</p>
91 Value

Sublingual Methylcobalamin 1000 mcg

Solgar
<p>Sublingual methylcobalamin combines a bioactive B12 form, mouth-based delivery, and strong serving value. Compared with the original high-dose methylcobalamin formula, the focused amount is practical for higher intake needs without using unrelated extras.</p>
92 Value

Fully Active B12 1500 mcg

Doctor's Best
<p>A simple methylcobalamin formula provides a substantial amount with excellent serving value. Compared with the original high-dose methylcobalamin formula, it is easier to assess, although people with adequate B12 status may gain little from routine supplementation.</p>
91 Value

Methyl B-12 Natural Cherry Flavor

ZHOU
<p>A bioactive B12 form and substantial serving combine high nutrient quality with excellent practical value. The focused design is straightforward beside the original high-dose methylcobalamin formula, though the amount may exceed maintenance needs.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Cobalamin deficiency: clinical picture and radiological findings.
    Briani C; Dalla Torre C; Citton V; Manara R; Pompanin S; Binotto G; Adami F · Nutrients · 2014
    Narrative reviewEnergy forVitamin B12
  2. Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
    Markun S; Gravestock I; Jäger L; Rosemann T; Pichierri G; Burgstaller JM · Nutrients · 2021
    Meta-analysis6,276 participants16 studies pooledEnergy forVitamin B12
  3. Vitamin B12 Supplementation: Is More Always Better?
    Yepes-Calderón M; Doorenbos CSE; Stegmann ME; Touw DJ; Harmsen HJM; Heiner-Fokkema MR; van Spronsen FJ; Corpeleijn E; Bakker SJL · Nutrients · 2026
    Narrative reviewEnergy forVitamin B12
  4. Association of Vitamin B12, Vitamin D, and Thyroid-Stimulating Hormone With Fatigue and Neurologic Symptoms in Patients With Fibromyalgia.
    Munipalli B; Strothers S; Rivera F; Malavet P; Mitri G; Abu Dabrh AM; Dawson NL · Mayo Clinic proceedings. Innovations, quality & outcomes · 2022
    Observational study2,142 participantsEnergy forVitamin B12
  5. Megaloblastic anaemia: prevalence and causative factors.
    Khanduri U; Sharma A · The National medical journal of India · 2008
    Observational study175 participantsEnergy forVitamin B12
  6. A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
    Dułak NA; Rytlewska M; Jaskólska M; Chmielewski M · Rheumatology international · 2024
    Case series3 participantsEnergy forVitamin B12
  7. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forVitamin B12
  8. Dermatological findings of vitamin B12 deficiency and resolving time of these symptoms.
    Demir N; Doğan M; Koç A; Kaba S; Bulan K; Ozkol HU; Doğan SZ · Cutaneous and ocular toxicology · 2014
    Single-arm trial57 participantsHair Health forVitamin B12
  9. Hair Loss After Laparoscopic Sleeve Gastrectomy.
    Katsogridaki G; Tzovaras G; Sioka E; Perivoliotis K; Zachari E; Magouliotis D; Tasiopoulou V; Chatedaki C; Zacharoulis D · Obesity surgery · 2019
    Cohort study50 participantsHair Health forVitamin B12
  10. Micronutrient Deficiencies and Digital Computerized Phototrichogram Analysis in Telogen Effluvium: a Retrospective Correlation Study in a Tertiary Medical Center.
    Arslan H; Gündüz Ö · Dermatology practical & conceptual · 2023
    Observational study973 participantsHair Health forVitamin B12
  11. A comprehensive investigation of biochemical status in patients with telogen effluvium: Analysis of Hb, ferritin, vitamin B12, vitamin D, thyroid function tests, zinc, copper, biotin, and selenium levels.
    Durusu Turkoglu IN; Turkoglu AK; Soylu S; Gencer G; Duman R · Journal of cosmetic dermatology · 2024
    Case-control study180 participantsHair Health forVitamin B12
  12. Micronutrient levels and thyroid functions in scarring alopecias: Do they play a role in disease pathogenesis?
    Gönülal Bak R; Çetin C; Kılınç F; Akbaş A; Aksoy Saraç G · Cutaneous and ocular toxicology · 2025
    Case-control study136 participantsHair Health forVitamin B12
  13. Factors Associated with Premature Hair Graying in a Young Indian Population.
    Chakrabarty S; Krishnappa PG; Gowda DG; Hiremath J · International journal of trichology · 2016
    Case-control study74 participantsHair Health forVitamin B12
  14. Oral Vitamin B12 versus Placebo for the Prevention of Chemotherapy-Induced Peripheral Neuropathy in Gynecological Cancer Patients: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Insin P; Chaiwongsa T; Prueksaritanond N · Asian Pacific journal of cancer prevention : APJCP · 2026
    Randomized trial40 participantsGeneral Health forVitamin B12
  15. Vitamin B12 Supplementation in Diabetic Neuropathy: A 1-Year, Randomized, Double-Blind, Placebo-Controlled Trial.
    Didangelos T; Karlafti E; Kotzakioulafi E; Margariti E; Giannoulaki P; Batanis G; Tesfaye S; Kantartzis K · Nutrients · 2021
    Randomized trial90 participantsGeneral Health forVitamin B12
  16. A single-center randomized controlled trial of local methylcobalamin injection for subacute herpetic neuralgia.
    Xu G; Lv ZW; Feng Y; Tang WZ; Xu GX · Pain medicine (Malden, Mass.) · 2014
    Randomized trial98 participantsGeneral Health forVitamin B12
  17. Local Injection of Methylcobalamin Combined with Lidocaine for Acute Herpetic Neuralgia.
    Xǔ G; Xu S; Tang WZ; Xú G; Cheng C; Xu J · Pain medicine (Malden, Mass.) · 2017
    Randomized trial204 participantsGeneral Health forVitamin B12
  18. The Effect of Vitamin B12 and Folic Acid Supplementation on Serum Homocysteine, Anemia Status and Quality of Life of Patients with Multiple Sclerosis.
    Nozari E; Ghavamzadeh S; Razazian N · Clinical nutrition research · 2022
    Clinical trial50 participantsGeneral Health forVitamin B12
  19. Risk Factors for Pediatric Alopecia Areata: Clinical and Biochemical Findings from a Case - Control Study.
    İritaş SY · Dermatology practical & conceptual · 2026
    Case-control study600 participantsHair Health forVitamin B12
  20. Demographic Characteristics and Association of Serum Vitamin B12, Ferritin and Thyroid Function with Premature Canities in Indian Patients from an Urban Skin Clinic of North India: A Retrospective Analysis of 71 Cases.
    Sonthalia S; Priya A; Tobin DJ · Indian journal of dermatology · 2022
    Cross-sectional study71 participantsHair Health forVitamin B12
  21. Effects of Folic Acid and Vitamin B12, Alone and in Combination on Cognitive Function and Inflammatory Factors in the Elderly with Mild Cognitive Impairment: A Single-blind Experimental Design.
    Ma F; Zhou X; Li Q; Zhao J; Song A; An P; Du Y; Xu W; Huang G · Current Alzheimer research · 2020
    Randomized trial240 participantsProductivity Boost forVitamin B12
  22. Effects of Physical Activity and Micronutrients on Cognitive Performance in Children Aged 6 to 11 Years: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Meli AM; Ali A; Mhd Jalil AM; Mohd Yusof H; Tan MMC · Medicina (Kaunas, Lithuania) · 2022
    Meta-analysisProductivity Boost forVitamin B12
  23. Cognitive function in an elderly population: interaction between vitamin B12 status, depression, and apolipoprotein E ε4: the Hordaland Homocysteine Study.
    Vogiatzoglou A; Smith AD; Nurk E; Drevon CA; Ueland PM; Vollset SE; Nygaard HA; Engedal K; Tell GS; Refsum H · Psychosomatic medicine · 2013
    Cross-sectional study1,935 participantsProductivity Boost forVitamin B12
  24. Cognitive profile and inflammatory markers in children and adolescents with specific learning disorder: a cross-sectional study.
    Balatacı U; Ay B · Frontiers in pediatrics · 2026
    Case-control study108 participantsProductivity Boost forVitamin B12
  25. Association between vitamin B12 levels and cognitive impairment in older adults.
    Aguilar-Navarro SG; Carbajal-Silva JC; Palacios-Hernández MGI; Gutiérrez-Gutierrez LA; Ávila-Funes JA; Mimenza-Alvarado AJ · Gaceta medica de Mexico · 2023
    Cross-sectional study241 participantsProductivity Boost forVitamin B12
  26. Effects of vitamin B12 on performance and circadian rhythm in normal subjects.
    Mayer G; Kröger M; Meier-Ewert K · Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 1997
    Randomized trial20 participantsProductivity Boost forVitamin B12
  27. Prenatal vitamin B12 status and cognitive functioning in children at 4 years of age: The ECLIPSES Study.
    Cruz-Rodríguez J; Canals-Sans J; Hernández-Martínez C; Voltas-Moreso N; Arija V · Maternal & child nutrition · 2023
    Cohort study249 participantsProductivity Boost forVitamin B12
  28. Dietary intakes and biomarker patterns of folate, vitamin B6, and vitamin B12 can be associated with cognitive impairment by hypermethylation of redox-related genes NUDT15 and TXNRD1.
    An Y; Feng L; Zhang X; Wang Y; Wang Y; Tao L; Qin Z; Xiao R · Clinical epigenetics · 2020
    Cohort study2,533 participantsProductivity Boost forVitamin B12
  29. Homocysteine, folate, and vitamins B6 and B12 blood levels in relation to cognitive performance: the Maine-Syracuse study.
    Elias MF; Robbins MA; Budge MM; Elias PK; Brennan SL; Johnston C; Nagy Z; Bates CJ · Psychosomatic medicine · 2008
    Cross-sectional study812 participantsProductivity Boost forVitamin B12