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Methyl B-12 Natural Cherry Flavor

ZHOU
4.6
★ ★ ★ ★ ★
(289 ratings)
Vitamin B12 5000 mcg
Product Image
Score86
A potent methylcobalamin liquid with clear active labeling. High concentration, incomplete flavoring details, and weaker comparative value are the main trade-offs.
How scoring works
Quantity:60 Liquid(s) • (60 servings)
Goals:
General Health
Energy
Productivity Boost
Hair Health

Score 86

A potent methylcobalamin liquid with clear active labeling. High concentration, incomplete flavoring details, and weaker comparative value are the main trade-offs.
How scoring works
$17.09($0.28 per serving)
iHerb
$ 17.09
iHerb
$ 17.09
Vitacost
$ 17.09
Pure Formulas
$ 17.09
Report prices

Analysis

The very high methylcobalamin amount supports targeted B12 intake in a convenient flavored liquid. A bioactive form avoids the conversion step required by cyanocobalamin.

The formula appears simple, and carbohydrate is listed as absent. Complete non-active ingredients and usage directions were not supplied, which matters for flavoring and allergy review.

The product is better suited to a defined higher need than routine maintenance. People with adequate status should not expect the high amount to provide a stimulant-like effect.

Who is it for
  • Adults with higher B12 needs
  • People who prefer flavored liquids
  • Users seeking methylcobalamin
Best for
  • High-potency B12 supplementation
  • Pill-free delivery
  • Focused active-form support

Pros

  • Bioactive methylcobalamin
  • Very high B12 amount
  • Liquid format
  • No carbohydrate listed

Cons

  • Potentially excessive for maintenance
  • Less economical than comparable options
  • Complete flavoring ingredients are unavailable
  • No broader nutrient support

Warnings

  • Measure the concentrated liquid carefully
  • The 5,000 mcg amount may be unnecessary for users with adequate status
  • Missing flavoring details limit screening for sensitivities

Nutrient quality

94 Highest impact

A preferred bioactive B12 form closely fits the intended use. The amount is meaningful, although its suitability depends on whether routine or higher intake is needed.

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Ingredient transparency

84 Highest impact

Active names and amounts are clearly stated, with no hidden proprietary dose. Complete intake directions and a full inactive-ingredient list are not included in the supplied data.

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Customer satisfaction

66 High impact

Supplied satisfaction metrics indicate a strong result with a meaningful response pool. Detailed experience themes are absent, so recurring complaints and real-world purpose fit remain uncertain.

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Value for money

100 Highest impact

Serving value appears favorable relative to the disclosed form and amount. The focused formula avoids low-value 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 · 5000 mcg

Methylcobalamin provides a bioactive B12 form that may support normal nerve function, red blood cell formation, and energy metabolism. The lozenge delivery and exact amount make the focused formula easy to assess.

The very high B12 amount may suit people with increased needs but is more than necessary for routine maintenance for many users. Its narrow scope offers strong depth for B12 without broader general health coverage.

Study evidence
Vitamin B12 Adverse 66 studies
Energy
Energy
Impact
Highest effect
B Goal FitA+ Strength of SupportC- CoverageA+ Formula Quality
Vitamin B12 · 5000 mcg

High-potency methylcobalamin in a micro-lozenge provides strong form quality and convenient oral exposure. It can support blood formation and energy metabolism when B12 intake or absorption is inadequate.

The single-vitamin formula does not address mitochondrial cofactors, alertness, or stress resilience beyond B12. The very high amount is unlikely to provide extra energy for users who already have adequate B12 status.

Study evidence
Vitamin B12 Disputed 14 studies
Productivity Boost
Productivity Boost
Impact
High effect
B- Goal FitA Strength of SupportD CoverageA+ Formula Quality
Vitamin B12 · 5000 mcgVitamin B12 · 5000 mcg

Methylcobalamin can reduce fatigue and cognitive fog when vitamin B12 status is low. It does not function as a general stimulant or nootropic for users who already have adequate status.

The high-potency lozenge provides a preferred form with clear disclosure and absorption-focused delivery. People seeking routine maintenance may not need such a concentrated amount.

Study evidence
Vitamin B12 Supportive 15 studies
Vitamin B12 No effect 17 studies
Hair Health
Hair Health
Impact
High effect
C Goal FitA Strength of SupportD CoverageB Formula Quality

Methylcobalamin can support hair growth when vitamin B12 deficiency causes anemia-related shedding. The very high amount and lozenge delivery provide strong depth for targeted B12 repletion.

Hair benefit is unlikely to extend beyond correcting inadequate B12 status because no structural, mineral, antioxidant, or hormonal pathway is included. The focused label is easy to assess and contains no unrelated active ingredients.

Study evidence
Vitamin B12 Disputed 17 studies

Ingredients

IngredientAmount per serving
Total Carbohydrates
0 Gram(s)
Vitamin B12 (Methylcobalamin)
 5000 mcg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
Vitamin B12 (Methylcobalamin) · 5000 mcg OverallScore100
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The bioactive methylcobalamin form, very high dose, and lozenge delivery make this a focused option for higher B12 needs. Clear form and amount disclosure make the label easy to assess. The large amount per serving also produces strong value, though users who only need maintenance may prefer a lower dose.

View ingredientView products
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<p>Methylcobalamin, folate, and active vitamin B6 support linked energy and methylation pathways with clearly stated amounts. Compared with the original 5,000 mcg serving, the lower 1,000 mcg amount is less aggressive while retaining methylcobalamin.</p>
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<p>1,500 mcg of bioactive methylcobalamin provides a focused, easy-to-assess vitamin B12 option. Compared with the original 5,000 mcg serving, the lower 1,500 mcg amount is less aggressive while retaining methylcobalamin.</p>
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<p>5,000 mcg of bioactive methylcobalamin provides a focused, easy-to-assess vitamin B12 option. The 5,000 mcg amount matches the original dose while using methylcobalamin in a focused formula.</p>
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Quick Dissolve B-12 Methylcobalamin 2500 mcg

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<p>A lower serving cost provides 2,500 mcg of methylcobalamin in a clearly disclosed formula. Compared with the original 5,000 mcg serving, the lower 2,500 mcg amount is less aggressive while retaining methylcobalamin.</p>
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B12 Methylcobalamin 1000 mcg

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<p>A lower serving cost provides 1,000 mcg of methylcobalamin in a clearly disclosed formula. Compared with the original 5,000 mcg serving, the lower 1,000 mcg amount is less aggressive while retaining methylcobalamin.</p>
87 Value

Chewable Fully Active B12 Chocolate Mint Flavor 1000 mcg

Doctor's Best
<p>1,000 mcg of methylcobalamin supplies a bioactive form without low-value nutrient extras. The favorable serving cost strengthens value, and compared with the original 5,000 mcg serving, the lower 1,000 mcg amount is less aggressive while retaining methylcobalamin.</p>
85 Value

Vegan B12 2500 mcg

DEVA
<p>2,500 mcg of methylcobalamin supplies a bioactive form without low-value nutrient extras. The favorable serving cost strengthens value, and compared with the original 5,000 mcg serving, the lower 2,500 mcg amount is less aggressive while retaining methylcobalamin.</p>
83 Value

Sublingual Methylcobalamin 1000 mcg

Solgar
<p>1,000 mcg of methylcobalamin supplies a bioactive form without low-value nutrient extras. The favorable serving cost strengthens value, and compared with the original 5,000 mcg serving, the lower 1,000 mcg amount is less aggressive while retaining methylcobalamin.</p>
Report alternatives

Sources

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

  1. 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
  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. Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
    Zubair AS; Saab L; Scharer K; Khokhar B · Brain circulation · 2024
    Qualitative study5 participantsEnergy forVitamin B12
  4. 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
  5. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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