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B 50 Complex

Thompson
4.7
★ ★ ★ ★ ★
(2862 ratings)
Niacin 50 mg
Vitamin B6 50 mg
Riboflavin 50 mg
Thiamin 50 mg
Vitamin B5 50 mg
Folate 400 mcg
Product Image
Score71
A complete, inexpensive B complex offers useful metabolic support, but ordinary nutrient forms and 50 mg of vitamin B6 weaken its fit for long-term daily use.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Energy
General Health
Metabolism Boost
Hair Health

Score 71

A complete, inexpensive B complex offers useful metabolic support, but ordinary nutrient forms and 50 mg of vitamin B6 weaken its fit for long-term daily use.
How scoring works
$5.38($0.08 per serving)
iHerb
$ 7.19
Vitacost
$ 6.54
Pure Formulas
$ 5.38
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Analysis

The complete B-vitamin lineup covers the core cofactors used to turn food into energy. Most amounts are substantial, but the formula is still narrower than a broad multivitamin for general wellness.

Most nutrients use conventional forms, including folic acid and cyanocobalamin. The Base Complex Blend is not explained, so its practical contribution cannot be judged.

Low serving cost makes the capsule attractive for short-term, focused B-vitamin use. Daily vitamin B6 at 50 mg is the main trade-off because prolonged intake may cause tingling or numbness in susceptible users.

Who is it for
  • Adults seeking a low-cost full B complex
  • People with limited dietary B-vitamin intake
Best for
  • Short-term B-vitamin supplementation
  • Foundational energy-metabolism support

Pros

  • Complete core B-vitamin profile
  • Convenient one-capsule serving
  • Strong value per serving

Cons

  • Mostly conventional nutrient forms
  • Base Complex Blend is not explained
  • Not broad enough for comprehensive general health

Warnings

  • Vitamin B6 at 50 mg may cause tingling, numbness, or other nerve symptoms with prolonged daily use
  • Combining it with other B6 supplements can further raise total intake

Nutrient quality

73 High impact

The conventional B-vitamin forms are usable, but pyridoxine, folic acid, and cyanocobalamin are less active choices. Most core B vitamins have substantial amounts, while biotin is modest and the base blend cannot be assessed.

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Ingredient transparency

61 Moderate impact

Core vitamins are quantified, but duplicate thiamine and niacin entries make totals less clear. A complete inactive ingredient list was not supplied.

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Customer satisfaction

69 High impact

The available aggregate rating is reasonably strong for this category. No firsthand outcome details were supplied, so alignment with the intended use is uncertain.

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Value for money

84 Highest impact

The broad vitamin coverage and substantial amounts provide good quality for the serving cost. The product is highly competitive among budget B-complex capsules.

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Goals

Energy
Energy
Impact
High effect
B- Goal FitC+ Strength of SupportC CoverageB- Formula Quality
Vitamin B5 · 50 mgRiboflavin · 50 mgThiamin · 50 mgVitamin B12 · 50 mcg

A full B-complex provides direct cofactors for converting food into cellular energy. Most vitamins are supplied at substantial amounts, giving the formula clear metabolic depth.

Vitamin B12 remains below the targeted amount and uses cyanocobalamin rather than methylcobalamin. The hidden base blend and high vitamin B6 also make long-term daily use less compelling.

General Health
General Health
Impact
High effect
B- Goal FitC+ Strength of SupportC- CoverageC+ Formula Quality
Folate · 400 mcgVitamin B12 · 50 mcg

The B-complex offers focused support for energy metabolism but is too narrow for comprehensive general health. Folate meets a common maintenance target, while several other B vitamins are supplied at unnecessarily high amounts.

Folic acid, cyanocobalamin, and pyridoxine are conventional forms, and the base blend is not disclosed in detail. Long-term daily use of 50 mg vitamin B6 may cause nerve symptoms in susceptible users.

Study evidence
Folate Supportive 80 studies
Metabolism Boost
Metabolism Boost
Impact
Moderate effect
D- Goal FitC- Strength of SupportD+ CoverageB+ Formula Quality
Biotin · 50 mcgNiacin · 50 mgVitamin B12 · 50 mcgRiboflavin · 50 mgThiamin · 50 mgVitamin B5 · 50 mgVitamin B6 · 50 mg

High-potency B vitamins support cellular energy production and normal carbohydrate, fat, and protein metabolism. The formula does not contain a thermogenic, thyroid cofactor set, mitochondrial transport active, or meaningful glycemic-control ingredient.

Core amounts are clearly disclosed, but most vitamins use conventional forms and the base blend is not detailed. The result is a focused nutritional B complex rather than a direct metabolism booster.

Hair Health
Hair Health
Impact
Moderate effect
D Goal FitC- Strength of SupportF CoverageC+ Formula Quality
Biotin · 50 mcg

The B-complex can help cover folate, biotin, B12, and other vitamin gaps that may affect hair when intake is poor. Clear amounts and a simple capsule format support practical use.

Biotin is modest and the formula does not address iron, zinc, vitamin D, or structural proteins. Its hair-health value is therefore secondary to its role as a general B-vitamin supplement.

Study evidence
Biotin Supportive 4 studies
Folate Mixed 15 studies

Ingredients

IngredientAmount per serving
Thiamine (Thiamine Mononitrate, Vitamin B1)
 50 mg
Riboflavin (Vitamin B2)
 50 mg
Niacin (Niacinamide, Vitamin B3)
 50 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 50 mg
Folic Acid
400 mcg
Vitamin B12 (Cyanocobalamin)
 50 mcg
Biotin
50 mcg
Pantothenic Acid (Calcium Pantothenate)
 50 mg
Base Complex Blend
205 mg
Adults 18–50
Report overview
Niacin (Niacinamide, Vitamin B3) · 50 mg OverallScore88
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value

Niacinamide supports general vitamin use, though it is not the form used for lipid-focused goals. The amount fits the usual range for a B-complex, and the broader formula adds nutritional context. Value is excellent for the full formula, while specialized release details and a no-flush statement are not provided.

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Vitamin B6 (Pyridoxine Hydrochloride) · 50 mg OverallScore86
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Pyridoxine hydrochloride is less direct than active P-5-P, though included riboflavin may support its conversion. The 50 mg dose fits the preferred range and comes in one capsule. The broad B-complex is very economical despite using the synthetic B6 precursor.

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Riboflavin (Vitamin B2) · 50 mg OverallScore77
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The 50 mg standard riboflavin dose provides high-potency metabolic support, though it requires conversion to the active coenzyme form. The capsule format supports efficient release, and no artificial colors, flavors, or synthetic sweeteners are listed. Cost efficiency is excellent for the potency supplied.

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Loading alternative details
81 Performance

Fully Active B Complex with Quatrefolic

Doctor's Best
<p>Active methylfolate, methylcobalamin, P-5-P, and riboflavin phosphate make this a strong-form B-complex with high-potency amounts. Its ingredient forms and goal coverage compare favorably because the original has important disclosure gaps, although the high pyridoxine amount is less suitable for long-term daily use.</p>
74 Performance

B-Supreme

Designs for Health
<p>A broad, potent B-complex includes methylcobalamin plus useful choline and trimethylglycine. Its ingredient forms and goal coverage compare favorably because the original has important disclosure gaps, although its concentrated doses are more appropriate for deliberate use than casual stacking.</p>
75 Performance

B-50 Complex 50 mg

Source Naturals
<p>A full B-complex delivers broad metabolic coverage at an unusually low serving cost. Its ingredient forms and goal coverage compare favorably because the original has important disclosure gaps, although the high pyridoxine amount is less suitable for long-term daily use.</p>
74 Budget

B 50 Complex

Spring Valley
<p>A low-cost B-complex supplies substantial nominal amounts across the core vitamins. Its lower serving cost improves value compared with the original, although its concentrated doses are more appropriate for deliberate use than casual stacking.</p>
78 Budget

B-50 Complex

21st Century
<p>A budget B-complex provides substantial core B-vitamin amounts with clear active disclosure and a long supply. Its serving cost is comparable to the original, with formulation differences that may improve fit, although the high pyridoxine amount is less suitable for long-term daily use.</p>
74 Budget

B-Complex '50'

Solgar
<p>Broad B-vitamin coverage fits energy metabolism, but the formula relies on conventional forms and an unnecessarily high vitamin B6 amount. It is one of the closest low-cost eligible options rather than a strictly cheaper one, and the high pyridoxine amount is less suitable for long-term daily use.</p>
74 Value

B-Complex 50

Solaray
<p>A very large supply of broad B-vitamin coverage provides excellent serving value. The balance of ingredient quality, goal fit, and serving cost is favorable versus the original, although the high pyridoxine amount is less suitable for long-term daily use.</p>
79 Value

B-100 Complex

21st Century
<p>A broad high-potency B-vitamin profile supports normal energy metabolism, but most forms are conventional and several amounts greatly exceed routine needs. The balance of ingredient quality, goal fit, and serving cost is favorable versus the original, although the high pyridoxine amount is less suitable for long-term daily use.</p>
77 Value

Vitamin B Complex

California Gold Nutrition
<p>Active riboflavin and vitamin B6 forms improve this compact B-complex, while pantothenic acid and folate add useful coverage. The balance of ingredient quality, goal fit, and serving cost is favorable versus the original, although the high pyridoxine amount is less suitable for long-term daily use.</p>
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Sources

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

  1. Physiological and performance responses to supplementation with thiamin and pantothenic acid derivatives.
    Webster MJ · European journal of applied physiology and occupational physiology · 1998
    Randomized trial6 participantsMetabolism Boost forVitamin B5
  2. Riboflavin and riboflavin-derived cofactors in adolescent girls with anorexia nervosa.
    Capo-chichi CD; Guéant JL; Lefebvre E; Bennani N; Lorentz E; Vidailhet C; Vidailhet M · The American journal of clinical nutrition · 1999
    Clinical trial34 participantsMetabolism Boost forRiboflavin
  3. Disorders of flavin adenine dinucleotide metabolism: MADD and related deficiencies.
    Mereis M; Wanders RJA; Schoonen M; Dercksen M; Smuts I; van der Westhuizen FH · The international journal of biochemistry & cell biology · 2024
    Systematic reviewMetabolism Boost forRiboflavin
  4. Apolipoprotein E and sex modulate fatty acid metabolism in a prospective observational study of cognitive decline.
    González-Domínguez R; Castellano-Escuder P; Lefèvre-Arbogast S; Low DY; Du Preez A; Ruigrok SR; Lee H; Helmer C; Pallàs M; Urpi-Sarda M; Sánchez-Pla A; Korosi A; Lucassen PJ; Aigner L; Manach C; Thuret S; Samieri C; Andres-Lacueva C · Alzheimer's research & therapy · 2022
    Observational studyMetabolism Boost forVitamin B5
  5. Exploring auxotrophy and engineering vitamin B6 prototrophy in the acetogen Clostridium sp. AWRP.
    Kwon SJ; Lee J; Lee HS · Applied and environmental microbiology · 2024
    Clinical trialMetabolism Boost forVitamin B5
  6. Anaemia during pregnancy: could riboflavin deficiency be implicated?
    Duffy B; McNulty H; Ward M; Pentieva K · The Proceedings of the Nutrition Society · 2026
    Narrative reviewMetabolism Boost forRiboflavin
  7. Pantothenate utilization by Plasmodium as a target for antimalarial chemotherapy.
    Spry C; van Schalkwyk DA; Strauss E; Saliba KJ · Infectious disorders drug targets · 2010
    Narrative reviewMetabolism Boost forVitamin B5
  8. Pantothenate synthetase is essential but not limiting for pantothenate biosynthesis in Arabidopsis.
    Jonczyk R; Ronconi S; Rychlik M; Genschel U · Plant molecular biology · 2008
    OtherMetabolism Boost forVitamin B5
  9. Optimum nutrition: thiamin, biotin and pantothenate.
    Bender DA · The Proceedings of the Nutrition Society · 1999
    Narrative reviewMetabolism Boost forVitamin B5
  10. Serum metabolites of hypertension among Chinese adolescents aged 12-17 years.
    Sun J; Ding W; Liu X; Zhao M; Xi B · Journal of human hypertension · 2022
    Other77 participantsMetabolism Boost forVitamin B5
  11. Metabolic profiles of exercise in patients with McArdle disease or mitochondrial myopathy.
    Delaney NF; Sharma R; Tadvalkar L; Clish CB; Haller RG; Mootha VK · Proceedings of the National Academy of Sciences of the United States of America · 2018
    OtherMetabolism Boost forVitamin B5
  12. Dual-omics analysis reveals B vitamin regulation and metabolism in Areca Catechu inflorescence.
    Jiang W; Liu X; Li W; Yang J; Li P; Xie M; Zhou G · BMC genomics · 2026
    OtherMetabolism Boost forVitamin B5
  13. Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
    Bo Y; Xu H; Zhang H; Zhang J; Wan Z; Zhao X; Yu Z · Nutrients · 2022
    Cohort study55,569 participantsGeneral Health forFolate
  14. The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
    Schorah CJ; Devitt H; Lucock M; Dowell AC · European journal of clinical nutrition · 1998
    Randomized trial119 participantsGeneral Health forFolate
  15. Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
    Song S; Song BM; Park HY · The Journal of nutrition · 2023
    Cohort study21,260 participantsGeneral Health forFolate
  16. The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
    Seyoum Tola F · Medicine · 2024
    Systematic reviewGeneral Health forFolate
  17. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
    Colapinto CK; O'Connor DL; Sampson M; Williams B; Tremblay MS · Journal of public health (Oxford, England) · 2017
    Systematic review71,847 participants46 studies pooledGeneral Health forFolate
  18. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health forBiotin
  19. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health forBiotin
  20. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  21. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  22. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  23. 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 forFolate
  24. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  25. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  26. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate