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B-12 Drops 5000 mcg Wild Berry Flavor

Nature's Life
4.7
★ ★ ★ ★ ★
(1427 ratings)
Vitamin B12 5000 mcg
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Score85
Bioactive methylcobalamin provides focused B12 coverage in a convenient flavored liquid drops. Benefits are most likely when B12 intake or status is low, not as an acute energy boost.
How scoring works
Quantity:2 Liquid(s) • (100 servings)
Goals:
Energy
General Health
Productivity Boost
Hair Health

Score 85

Bioactive methylcobalamin provides focused B12 coverage in a convenient flavored liquid drops. Benefits are most likely when B12 intake or status is low, not as an acute energy boost.
How scoring works
$17.89($0.17 per serving)
iHerb
$ 17.89
Vitacost
$ 17.89
Amazon
$ 17.89
Pure Formulas
$ 17.89
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Analysis

The 5000 mcg amount is clearly stated and fits targeted B12 supplementation better than basic dietary coverage. B12 supports normal red blood cell formation, nerve function, and energy metabolism, with the clearest value when intake or status is inadequate.

Methylcobalamin is a bioactive B12 form that does not require conversion from cyanocobalamin. flavored liquid drops provides a simple dosing format, though complete inactive-ingredient and intake details are not supplied.

The single-ingredient design is easy to assess and avoids unrelated active compounds. The long supply and favorable serving value make it most practical for users with a clear reason to supplement rather than anyone seeking an immediate energy or hair-growth effect.

Who is it for
  • Adults with low dietary B12 intake
  • People seeking a focused single-nutrient supplement
  • Users who prefer flavored liquid drops
Best for
  • Targeted vitamin B12 coverage
  • Supporting B12 adequacy
  • A simple daily supplement routine

Pros

  • Uses bioactive methylcobalamin
  • Discloses the 5000 mcg amount
  • Long supply
  • Flavored liquid drops is easy to use

Cons

  • Dose is high for basic maintenance
  • Does not cover other common nutrient gaps
  • Unlikely to boost energy when B12 status is adequate
  • Inactive-ingredient details are not supplied

Nutrient quality

91 Highest impact

Methylcobalamin is a bioactive B12 form, and the very high amount can support elevated needs. The narrow formula is coherent, though benefit for energy or hair depends mainly on B12 status.

Ingredient transparency

85 Highest impact

The B12 form and amount are clearly disclosed. Complete usage directions and non-active ingredients are not supplied.

Customer satisfaction

70 High impact

The supplied average rating is strong and the review base is large. No review text is available to assess repeated complaints or experiences tied to the intended use.

Value for money

92 Highest impact

The very high B12 amount and bioactive form support formula value. The low serving cost makes the product highly competitive within the category.

Report analysis

Goals

Energy
Energy
Impact
Highest effect
A+ Goal FitA+ Strength of SupportC+ CoverageA+ Formula Quality
Vitamin B12 · 5000 mcg

A high amount of methylcobalamin supports red blood cell formation, nerve function, and cellular energy metabolism. Liquid delivery and active-form B12 are clear formulation strengths.

Such a concentrated amount is mainly useful for people with elevated needs or impaired status rather than as a broad energy formula. Other causes of fatigue, including iron, folate, thyroid, or sleep issues, are not addressed.

Study evidence
Vitamin B12 Disputed 14 studies
General Health
General Health
Impact
Highest effect
A Goal FitB+ Strength of SupportD+ CoverageA Formula Quality
Vitamin B12 · 5000 mcg

Methylcobalamin provides focused support for red blood cell formation, nerve health, and normal energy metabolism. The liquid format and active B12 form are clearly disclosed.

The amount is far above routine nutritional needs and is better suited to targeted high-dose use than general daily coverage. The single-vitamin design is transparent but leaves most foundational nutritional pathways unaddressed.

Study evidence
Vitamin B12 Adverse 66 studies
Productivity Boost
Productivity Boost
Impact
High effect
C+ Goal FitA+ Strength of SupportD+ CoverageA+ Formula Quality
Vitamin B12 · 5000 mcgVitamin B12 · 5000 mcg

Methylcobalamin can improve energy and cognitive function when vitamin B12 status is low. A very high amount does not reliably increase productivity in users who already have adequate B12.

The active coenzyme form and amount are fully disclosed in an easy-to-measure liquid. The focused formula is well designed for B12 support, with benefit depending mainly on nutritional need.

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

High-dose methylcobalamin may support hair when vitamin B12 deficiency contributes to shedding. Vitamin B12 has little reason to improve hair growth when status is already adequate.

The liquid format, bioactive form, and clearly disclosed amount provide strong delivery quality. The single nutrient does not address structural, mineral, hormonal, or scalp-circulation pathways.

Study evidence
Vitamin B12 Disputed 17 studies

Ingredients

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

The high methylcobalamin amount and liquid drop format are well suited to people seeking strong B12 support with mucosal delivery. The label clearly identifies both the active form and its amount. It also provides excellent value for the quantity of bioactive B12 delivered.

View ingredientView products
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89 Performance

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

Jarrow Formulas
The more focused formula provides 1,000 mcg of vitamin B12 as Methylcobalamin, plus 1.5 mg of Vitamin B6 and 680 mcg DFE of Folate. Compared with the original, it provides a smaller vitamin B12 amount with similarly explicit form information.
86 Performance

Methyl B-12 Natural Cherry Flavor

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The more focused formula provides 5,000 mcg of vitamin B12 as Methylcobalamin. Compared with the original, it provides a similar vitamin B12 amount with similarly explicit form information.
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The more focused formula provides 5,000 mcg of vitamin B12 as Methylcobalamin. Compared with the original, it provides a similar vitamin B12 amount with similarly explicit form information.
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Quick Dissolve B-12 Methylcobalamin 2500 mcg

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The lower serving cost still provides 2,500 mcg of vitamin B12 as Methylcobalamin. Compared with the original, it provides a smaller vitamin B12 amount with similarly explicit form information.
87 Budget

Chewable Fully Active B12 Chocolate Mint Flavor 1000 mcg

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The lower serving cost still provides 1,000 mcg of vitamin B12 as Methylcobalamin. Compared with the original, it provides a smaller vitamin B12 amount with similarly explicit form information.
87 Budget

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The lower serving cost still provides 1,000 mcg of vitamin B12 as Methylcobalamin. Compared with the original, it provides a smaller vitamin B12 amount with similarly explicit form information.
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The favorable serving cost pairs 2,000 mcg of vitamin B12 as Methylcobalamin with a simple ingredient profile. Compared with the original, it provides a smaller vitamin B12 amount with similarly explicit form information.
87 Value

Fully Active B12 1500 mcg

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The favorable serving cost pairs 1,500 mcg of vitamin B12 as Methylcobalamin with a simple ingredient profile. Compared with the original, it provides a smaller vitamin B12 amount with similarly explicit form information.
85 Value

Vegan B12 2500 mcg

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The favorable serving cost pairs 2,500 mcg of vitamin B12 as Methylcobalamin with a simple ingredient profile. Compared with the original, it provides a smaller vitamin B12 amount with similarly explicit form information.
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. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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