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B Complex

Thompson
4.7
★ ★ ★ ★ ★
(8599 ratings)
Niacin 50 mg
Thiamin 9.5 mg
Riboflavin 10 mg
Folate 400 mcg
Choline 50 mg
Product Image
Score81
A practical, low-cost B complex for basic coverage, but it relies on standard forms. Small choline, biotin, and inositol amounts add little for focused energy or hair goals.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:
General Health
Energy

Score 81

A practical, low-cost B complex for basic coverage, but it relies on standard forms. Small choline, biotin, and inositol amounts add little for focused energy or hair goals.
How scoring works
$3.99($0.13 per serving)
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$ 3.99
Vitacost
$ 3.99
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Analysis

The formula covers all core B vitamins and is most useful as basic nutritional backup. Thiamine, riboflavin, niacinamide, vitamin B6, folic acid, B12, and pantothenic acid are all stated individually.

Most forms are conventional rather than active or premium forms. Choline bitartrate contributes only 50 mg, while 20 mcg of biotin and 5 mg of inositol are too small to make this a serious hair or choline product.

Two tablets per serving are manageable, and the low cost supports routine use. It fits adults seeking a simple B complex, but users wanting methylfolate, methylcobalamin, active B6, or meaningful hair support should choose a different formula.

Who is it for
  • Adults seeking an inexpensive basic B complex
  • People filling modest dietary B-vitamin gaps
  • Users comfortable taking two tablets per serving
Best for
  • General B-vitamin maintenance
  • Basic energy-metabolism nutrient coverage
  • Low-cost everyday supplementation

Pros

  • Covers all core B vitamins
  • Uses non-flushing niacinamide
  • Includes a modest choline contribution
  • Offers accessible value for routine use

Cons

  • Uses folic acid rather than methylfolate
  • Uses cyanocobalamin and pyridoxine
  • Biotin and inositol are token amounts
  • Requires two tablets per serving

Warnings

  • The 50 mg niacinamide amount may cause stomach upset in sensitive users, particularly when taken without food.

Nutrient quality

75 High impact

The formula relies on conventional thiamine, pyridoxine, folic acid, and cyanocobalamin forms. Niacin is relatively high for routine use, while vitamin B6 remains moderate.

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Ingredient transparency

87 Highest impact

Specific amounts are supplied for every listed active ingredient. No proprietary blend hides the listed doses.

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Customer satisfaction

72 High impact

The supplied aggregate rating is very strong. No complaint themes or purpose-specific experience details are supplied.

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Value for money

91 Highest impact

The formula and favorable qualitative positioning support strong value. Choline is modest and inositol is too small to contribute much.

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Report analysis

Goals

General Health
Impact
High effect
A- Goal FitC+ Strength of SupportB CoverageB+ Formula Quality
Folate · 400 mcgVitamin B12 · 10 mcg

Broad B-vitamin coverage supports normal energy metabolism and several basic cellular processes. Most nutrients are present in useful amounts rather than token traces.

Folic acid and cyanocobalamin require conversion and provide less direct form quality than methylated alternatives. The formula remains a practical basic B-complex but is not optimized for users specifically seeking active folate or B12.

Study evidence
Folate Supportive 80 studies
Impact
Moderate effect
B Goal FitD Strength of SupportD CoverageB Formula Quality
Vitamin B5 · 13 mgRiboflavin · 10 mgThiamin · 9.5 mgVitamin B12 · 10 mcg

A basic B-complex supplies thiamine, riboflavin, niacin, B6, folate, B12, and pantothenic acid for normal energy metabolism. Most amounts are suited to maintenance rather than targeted fatigue support.

Cyanocobalamin and ordinary vitamin forms limit quality, while B12 is especially low for the stated goal. Choline and inositol add little at their listed amounts.

Study evidence
Riboflavin Mixed 6 studies
Thiamin Disputed 12 studies

Ingredients

IngredientAmount per serving
Thiamine (Thiamine Mononitrate)
9.5 mg
Riboflavin (Vitamin B2)
10 mg
Niacin (Niacinamide)
50 mg
Vitamin B6 (Pyridoxine Hydrochloride)
8.2 mg
Folic Acid
400 mcg
Vitamin B12 (Cyanocobalamin)
10 mcg
Biotin
20 mcg
Pantothenic Acid (Calcium D-Pantothenate)
13 mg
Calcium (Calcium Carbonate)
56 mg
Choline Bitartrate
50 mg
Inositol
5 mg
Adults 18–50
Report overview
Niacin (Niacinamide) · 50 mg OverallScore76
B- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyC Value

Niacinamide is clearly identified at an amount that fits a B-complex. The hard-pressed tablet lacks a stated release feature, and the label does not specifically call out its non-flushing nature. Its low serving cost provides good practical value for a broad B-vitamin formula.

B- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyD- Value

The disclosed thiamine mononitrate is a standard form with a low amount for a targeted metabolism goal. The label clearly identifies the active dose, but the conventional tablet adds no absorption advantage. A low serving cost is offset by limited thiamin delivered per serving.

F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD+ Value

The 10 mg standard riboflavin dose is suited to maintenance rather than high-potency support. A pressed tablet and non-active vitamin form limit delivery quality. Very low serving cost partly compensates for the modest dose.

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Sources

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

  1. High-dose oral thiamine versus placebo for chronic fatigue in patients with primary biliary cholangitis: A crossover randomized clinical trial.
    Bager P; Bossen L; Gantzel R; Grønbæk H · PloS one · 2024
    Randomized trial36 participantsEnergy forThiamin
  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 Energy forThiamin
  3. 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
  4. 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
  5. Metabolic failure due to thiamine deficiency during critical illness.
    Cobilinschi C; Andrei CA; Grinţescu IM; Mirea L · Current opinion in clinical nutrition and metabolic care · 2024
    Narrative reviewEnergy forThiamin
  6. 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
  7. 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
  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. 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
  10. PHARMACOLOGICAL TREATMENTS FOR FATIGUE IN INFLAMMATORY BOWEL DISEASE PATIENTS: AN INTEGRATIVE REVIEW.
    Morais T; Couto G; Rocha R; Santana G · Arquivos de gastroenterologia · 2026
    Systematic reviewEnergy forThiamin
  11. Thiamine deficiency-related brain dysfunction in chronic liver failure.
    Butterworth RF · Metabolic brain disease · 2009
    Narrative reviewEnergy forThiamin
  12. Effects of thiamine supplementation on exercise-induced fatigue.
    Suzuki M; Itokawa Y · Metabolic brain disease · 1996
    Randomized trial16 participantsEnergy forThiamin
  13. 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
  14. 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 forRiboflavin
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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