B-Complex with C

B-Complex with C

Mason Natural4.8 (112 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 100 servings
Goals
$8.16 $0.08 per serving

Product analysis

59 out of 100

B-Complex with C offers a clearly labelled vitamin combination that makes serving contents easy to compare.

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

Nutrient Quality43

Thiamin has an acceptable named form, while plain riboflavin is less favorable. Quality for the other named forms remains uncertain, so the whole combination cannot be judged confidently.

Ingredient Transparency100

Amounts and forms are stated for all active ingredients. That makes the declared contents straightforward to check and compare.

Value For Money50

Value is mixed, with riboflavin comparing more favorably than thiamin. The other nutrients lack enough information for a confident value judgment.

Customer Satisfaction74

Customer feedback is very positive, though the review base is modest. The reviews provide satisfaction context without establishing health benefits.

Product Focus30

The vitamin combination has a relatively short ingredient list. Support for its intended health purpose is limited, so a clear practical benefit should not be assumed.

Format
Capsule
Container
100 Capsule(s)
Per serving
$0.08
Customer rating
4.8 · 112 ratings
Report analysis

Goals

Impact
Situational effect
C Ingredient FitF PathwaysF EvidenceB Formulation Logic
Vitamin B5 · 10 mgRiboflavin · 10.2 mgThiamin · 15 mg
Study evidence
Thiamin Disputed 12 studies

Ingredients

IngredientAmount per servingScore
Vitamin C (Ascorbic Acid)
300 mg
Vitamin B1 (Thiamine Mononitrate)
15 mg 60
Vitamin B2 (Riboflavin)
10.2 mg 54
Niacin (Niacinamide)
50 mg NE
Vitamin B6 (Pyridoxine Hydrochloride)
5 mg
Pantothenic Acid (Calcium Pantothenate)
10 mg
Gluten Free Adults 18–50
Report overview
C- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyD- Value
Each serving provides 15 mg of thiamin, with a high cost per 100 mg. It uses Thiamine Mononitrate. The amount is a moderate amount.
How this ingredient is rated

Active Ingredient Quality & Bioavailability58

Thiamine Mononitrate is named. A color additive is indicated.
Thiamin Chemical Form
Thiamine Mononitrate is the named thiamin form.
Excipient Purity
The ingredient information indicates a color additive.

Dose, Safety & Label Transparency72

The label states 15 mg per serving, a moderate amount of thiamin.
Thiamin Dosage Potency
15 mg per serving is a moderate amount of thiamin.
Label Transparency & Proprietary Blends
The thiamin amount is stated as 15 mg per serving.

Value40

The cost per 100 mg of declared thiamin is high.
Price per Declared Dose
The cost per 100 mg of declared thiamin is high.
Riboflavin · 10.2 mg OverallScore54
F Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value
Each serving provides 10.2 mg of riboflavin at a low cost per serving. It uses riboflavin. Artificial additives are flagged in the available information.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

It uses riboflavin.
Riboflavin Form Quality
It uses riboflavin.

Dose, Safety & Label Transparency54

Each serving provides 10.2 mg of riboflavin. Artificial additives are flagged in the available information.
Dosage for Energy & Metabolism
Each serving provides 10.2 mg of riboflavin.
R5P Elemental Yield Transparency
The riboflavin amount is stated.
Additive Purity
Artificial additives are flagged in the available information.

Value100

The cost per serving is low.
Price per Serving Value
The cost per serving is low.
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 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