B-Complex 50

B-Complex 50

Solaray4.7 (7,628 ratings)
Format:Capsule Quantity: 250 VegCap(s) · 250 servings
Goals
$33.39 $0.13 per serving

Product analysis

70 out of 100

B-Complex 50 can help fill B-vitamin gaps to support normal energy use and blood formation. Extra B vitamins are unlikely to provide an energy boost when you already get enough.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality58

Several B vitamins have clearly identified forms, including B6 and B5. Folate and biotin forms are unspecified, limiting a complete comparison of the mix.

Ingredient Transparency86

All listed amounts are stated, so you can compare the quantities provided. Several forms are still unspecified, leaving gaps in the detail needed to compare the whole formula.

Value For Money58

The serving compares favorably for riboflavin and vitamin B6. It is much less economical if choline or vitamin B5 is your main reason for buying it.

Customer Satisfaction90

Customers give it very positive ratings. A large number of ratings provides a broad view of customer satisfaction.

Product Focus69

The formula focuses on related nutritional roles in energy use and blood formation. Those roles matter most when intake is low and do not establish higher calorie burning or an added energy boost when intake is adequate.

Format
Capsule
Container
250 VegCap(s)
Per serving
$0.13
Customer rating
4.7 · 7,628 ratings
Report analysis

Goals

Everyday Health
Impact
Highest effect
A- Ingredient FitB+ PathwaysB+ EvidenceA+ Formulation Logic
Folate · 680 mcgVitamin B12 · 50 mcg
Study evidence
Folate Supportive 80 studies
Impact
High effect
B+ Ingredient FitF PathwaysB EvidenceA+ Formulation Logic
Vitamin B5 · 50 mgRiboflavin · 50 mgThiamin · 50 mgVitamin B12 · 50 mcg
Study evidence
Thiamin Disputed 12 studies
Impact
High effect
B Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Biotin · 50 mcgNiacin · 50 mgVitamin B12 · 50 mcgRiboflavin · 50 mgThiamin · 50 mgVitamin B5 · 50 mgVitamin B6 · 50 mg
Study evidence
Biotin Supportive 5 studies
Niacin Supportive 17 studies
Thiamin Supportive 11 studies
Vitamin B6 Supportive 16 studies

Ingredients

IngredientAmount per servingScore
Thiamine (Thiamine Mononitrate)
50 mg 76
Riboflavin
50 mg 72
Niacin (Niacinamide)
50 mg 79
Vitamin B6 (Pyridoxine Hydrochloride)
50 mg 75
Folic Acid
680 mcg 50
Vitamin B12 (Cyanocobalamin)
50 mcg
Biotin
50 mcg
Pantothenic Acid (Calcium D-Pantothenate)
50 mg 70
Choline (Choline Bitartrate)
20 mg 50
Para-Aminobenzoic Acid
50 mg 84
Inositol
50 mg
Adults 18–50
Report overview
A+ Ingredient Form & Label QualityF Dose, Safety & Label TransparencyA+ Value
A serving provides 50 mg of vitamin B6 at a low cost per milligram. The amount exceeds the European adult daily upper limit, before food and other supplements. It uses pyridoxine hydrochloride. No dyes, titanium dioxide or talc are recorded.
How this ingredient is rated

Ingredient Form & Label Quality100

The B6 comes from pyridoxine hydrochloride. No dyes, titanium dioxide or talc are recorded.
Vitamin B6 Form Identification
The B6 comes from pyridoxine hydrochloride.
Clean Label and Excipient Purity
No dyes, titanium dioxide or talc are recorded.

Dose, Safety & Label Transparency37

A serving provides 50 mg of B6, above the 12 mg adult daily upper limit used in Europe; total intake also includes food and other supplements. The amount and B6 source are stated.
Vitamin B6 Dose & Safety Policy
A serving provides 50 mg of B6, above the 12 mg adult daily upper limit used in Europe; total intake also includes food and other supplements.
Label Transparency
The amount and B6 source are stated.

Value100

The cost per milligram of B6 is low.
Vitamin B6 Price Efficiency
The cost per milligram of B6 is low.
PABA · 50 mg OverallScore84
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB- Value
The serving supplies 50 mg of PABA. The whole-product price is moderate relative to its PABA amount. PABA is named, but a pharmaceutical grade or high-purity designation is not available.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

PABA is named, but a pharmaceutical grade or high-purity designation is not available.
PABA Source & Grade
PABA is named, but a pharmaceutical grade or high-purity designation is not available.

Dose, Safety & Label Transparency95

The serving supplies 50 mg of PABA. No artificial colors, titanium dioxide or hydrogenated oils are recorded.
PABA Dosage Alignment
The serving supplies 50 mg of PABA.
Label Disclosure Clarity
The PABA amount is stated as 50 mg per serving.
Additive and Excipient Quality
No artificial colors, titanium dioxide or hydrogenated oils are recorded.

Value70

The whole-product price is moderate relative to its PABA amount.
Price per 100mg PABA
The whole-product price is moderate relative to its PABA amount.
A+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyC Value
Each serving supplies 50 mg of niacin as Niacinamide, at a moderate cost per serving. Niacinamide fits the stated skin support purpose. No no-flush claim is recorded.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

Niacinamide is named as the niacin source and fits the stated skin support purpose.
Niacin Form & Goal Alignment
Niacinamide fits the stated skin support purpose.
Precursor Source Quality
Niacinamide is a standard B3 form without an advanced cellular energy claim.

Dose, Safety & Label Transparency67

The amount and form are clear. No no-flush claim is recorded.
Clarity of Chemical Form
The chemical form is named as Niacinamide.
Form-Specific Dosage Efficacy
The serving provides 50 mg; its fit for this form is uncertain.
Flush Risk & Safety Labeling
Niacinamide is a non-flushing form; no no-flush claim is recorded.

Value60

The cost per serving is moderate.
Price Per Effective Serving
The cost per serving is moderate.
Report alternatives

Sources

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

  1. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
    Fouad S; Ibrahim GE; Hussein AMS; Ibrahim FA; El Gendy A · Heliyon · 2021
    Non-randomized trialEnergy forRiboflavin
  2. Vitamin B status in patients with chronic fatigue syndrome.
    Heap LC; Peters TJ; Wessely S · Journal of the Royal Society of Medicine · 1999
    Case-control study30 participantsEnergy forRiboflavin
  3. B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
    Bager P; Hvas CL; Hansen MM; Ueland P; Dahlerup JF · Molecular medicine (Cambridge, Mass.) · 2023
    Observational studyEnergy forRiboflavin
  4. Metabolic features of chronic fatigue syndrome.
    Naviaux RK; Naviaux JC; Li K; Bright AT; Alaynick WA; Wang L; Baxter A; Nathan N; Anderson W; Gordon E · Proceedings of the National Academy of Sciences of the United States of America · 2024
    Case-control study84 participantsEnergy forRiboflavin
  5. Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
    Bregje Jaeger, Nina N Stolwijk, Femke Aaldering, Charlotte A Ruys, Marije Smits, Nicole I Wolf, Carla E M Hollak, Annet M Bosch · Journal of Inherited Metabolic Disease · 2026
    Systematic review381 studies pooledEnergy Metabolism Support forRiboflavin
  6. Influence of thiamin supplementation on the health and general well-being of an elderly Irish population with marginal thiamin deficiency.
    Smidt LJ; Cremin FM; Grivetti LE; Clifford AJ · Journal of gerontology · 1991
    Randomized trial80 participantsEnergy forThiamin
  7. Randomised clinical trial: high-dose oral thiamine versus placebo for chronic fatigue in patients with quiescent inflammatory bowel disease.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Alimentary pharmacology & therapeutics · 2021
    Randomized trial40 participantsEnergy forThiamin
  8. Dietary reference values for thiamin.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Turck D; Bresson JL; Burlingame B; Dean T; Fairweather-Tait S; Heinonen M; Hirsch-Ernst KI; Mangelsdorf I; McArdle HJ; Naska A; Nowicka G; Pentieva K; Sanz Y; Siani A; Sjödin A; Stern M; Tomé D; Van Loveren H; Vinceti M; Willatts P; Lamberg-Allardt C; Przyrembel H; Tetens I; Gudelj Rakic J; Ioannidou S; de Sesmaisons-Lecarré A; Forss AC; Neuhäuser-Berthold M · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusEnergy forThiamin
  9. Effects of thiamine supplementation on exercise-induced fatigue.
    Suzuki M; Itokawa Y · Metabolic brain disease · 1996
    Randomized trial16 participantsEnergy forThiamin
  10. Long-term maintenance treatment with 300 mg thiamine for fatigue in patients with inflammatory bowel disease: results from an open-label extension of the TARIF study.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Scandinavian journal of gastroenterology · 2022
    Randomized trialEnergy forThiamin
  11. 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
  12. 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
  13. 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
  14. 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
  15. Vitamin B12 Deficiency: Common Questions and Answers.
    Patel H; McGuirk R · American family physician · 2025
    Narrative reviewEnergy forVitamin B12
  16. 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 participantsEveryday Health forFolate
  17. 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 participantsEveryday Health forFolate
  18. 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 participantsEveryday Health forFolate
  19. 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 reviewEveryday Health forFolate
  20. 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 pooledEveryday Health forFolate