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Sublingual Methylcobalamin 1000 mcg

Solgar
4.7
★ ★ ★ ★ ★
(67 ratings)
Vitamin B12 1000 mcg
Product Image
Score83
A strong methylcobalamin nugget with substantial potency and convenient oral dissolution. The short supply and potentially unnecessary amount for maintenance are the main drawbacks.
How scoring works
Quantity:30 nugget(s) • (30 servings)
Goals:
General Health
Energy
Productivity Boost
Hair Health

Score 83

A strong methylcobalamin nugget with substantial potency and convenient oral dissolution. The short supply and potentially unnecessary amount for maintenance are the main drawbacks.
How scoring works
$3.50($0.11 per serving)
Pure Formulas
$ 4.87
Daily Vita
$ 5.36
Vitacost
$ 3.50
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Analysis

Methylcobalamin is a preferred B12 form, and the 1,000 mcg amount fits people with higher intake needs. It supports normal energy metabolism, nerve function, and blood cell formation when B12 intake is insufficient.

The dissolving nugget may be easier than a swallowed pill and can support uptake through the mouth. A single active keeps the label clear and avoids unnecessary blends.

The short supply suits trial use or targeted supplementation. Maintenance users with adequate status may prefer a lower amount or less frequent schedule.

Who is it for
  • Adults with higher B12 needs
  • People who prefer sublingual delivery
  • Users avoiding swallowed capsules
Best for
  • Targeted B12 supplementation
  • Oral-dissolving delivery
  • Bioactive-form support

Pros

  • Preferred methylcobalamin form
  • Substantial 1,000 mcg amount
  • Sublingual format
  • Single active ingredient

Cons

  • Only 30 servings
  • May exceed maintenance needs
  • No companion folate
  • Non-active ingredient details are unavailable

Warnings

  • The high amount may be unnecessary for users with adequate B12 status
  • Let the nugget dissolve as directed rather than swallowing it like a standard tablet
  • Persistent low-energy symptoms require assessment beyond B12 supplementation

Nutrient quality

95 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

64 Moderate 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

86 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

Impact
Highest effect
A Goal FitA+ Strength of SupportC CoverageA+ Formula Quality
Vitamin B12 · 1000 mcg

A high-potency methylcobalamin serving directly supports a foundational vitamin involved in blood-cell formation, nerve function, and energy metabolism. The single-nutrient scope is narrow, but it is especially relevant for people with higher B12 needs.

The bioactive form and oral-dissolving delivery are clearly identified and practical. Its 1,000 mcg amount is far above ordinary dietary needs yet commonly used when absorption or status is a concern.

Study evidence
Vitamin B12 Adverse 66 studies
Impact
Highest effect
A Goal FitA+ Strength of SupportC CoverageA+ Formula Quality
Vitamin B12 · 1000 mcg

A high amount of methylcobalamin directly supports B12-dependent metabolism and red blood cell formation. The bioactive form and sublingual delivery are both strong formulation choices.

Benefits for felt energy are most likely when B12 status is low rather than when intake is already adequate. The streamlined product provides excellent depth for one nutritional pathway but no acute or adaptogen support.

Study evidence
Vitamin B12 Disputed 14 studies
Impact
High effect
C- Goal FitA Strength of SupportD- CoverageA Formula Quality
Vitamin B12 · 1000 mcgVitamin B12 · 1000 mcg

Methylcobalamin may reduce fatigue and cognitive symptoms when vitamin B12 status is low. It is not a general stimulant for people with adequate status.

The high amount and oral-dissolving delivery provide strong B12 exposure with clear form disclosure. The single-nutrient formula is focused but covers no alertness, stress-response, or broader nootropic pathway.

Study evidence
Vitamin B12 Supportive 15 studies
Vitamin B12 No effect 17 studies
Hair Health
Impact
High effect
D Goal FitA Strength of SupportF CoverageA+ Formula Quality

High-dose methylcobalamin could help shedding when vitamin B12 deficiency is confirmed. The bioactive form and oral-dissolving format are clear strengths for targeted B12 support.

The single nutrient offers no structural, mineral, hormonal, or scalp pathway coverage. It is a strong B12 product but only a narrow and deficiency-dependent option for hair.

Study evidence
Vitamin B12 Disputed 17 studies

Ingredients

IngredientAmount per serving
Vitamin B12 (Methylcobalamin)
1000 mcg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value

Methylcobalamin provides a well-chosen bioactive form. Its dose is positioned for people with higher B12 needs. The oral-dissolving delivery may also help people who prefer an alternative to ordinary swallowed pills.

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Sources

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

  1. 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
  2. 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
  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. 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. 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
  7. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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