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B-50 Gels

Carlson
4.7
★ ★ ★ ★ ★
(481 ratings)
Vitamin B6 50 mg
Niacin 50 mg
Riboflavin 50 mg
Thiamin 50 mg
Vitamin B5 50 mg
Product Image
Score73
Broad B-50 coverage and phosphatidylcholine are useful, but basic forms and high B6 dominate the decision. It is better suited to limited-duration use than everyday long-term supplementation.
How scoring works
Quantity:200 Softgel(s) • (200 servings)
Goals:
Energy
Metabolism Boost

Score 73

Broad B-50 coverage and phosphatidylcholine are useful, but basic forms and high B6 dominate the decision. It is better suited to limited-duration use than everyday long-term supplementation.
How scoring works
$48.37($0.24 per serving)
iHerb
$ 48.37
Vitacost
$ 48.37
Amazon
$ 48.37
Vitacost
$ 48.37
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Analysis

Thiamine, riboflavin, niacinamide, B6, folate, B12, biotin, and pantothenic acid are all supplied at high amounts. Soy-derived phosphatidylcholine adds a small lipid-based choline component to the softgel.

The formula relies on thiamine mononitrate, pyridoxine hydrochloride, cyanocobalamin, and unspecified folate rather than active forms. Softgel delivery does not materially solve those form limitations for water-soluble vitamins.

Vitamin B6 at 50 mg is excessive for routine maintenance and can become a long-term nerve-safety concern. The larger bottle offers reasonable value, but dose suitability matters more than package economy.

Who is it for
  • Adults seeking a high-potency B softgel
  • People who want phosphatidylcholine included
  • Users planning short-term rather than indefinite use
Best for
  • High-potency B-vitamin coverage
  • Softgel-based supplementation
  • Short-term metabolic nutrient support

Pros

  • Provides all core B vitamins
  • Includes soy phosphatidylcholine
  • Uses niacinamide rather than flushing niacin
  • Offers a one-softgel serving

Cons

  • Contains 50 mg of vitamin B6
  • Uses cyanocobalamin and pyridoxine
  • Folate form is not identified
  • The softgel adds fat and calories without clear B-vitamin benefit

Warnings

  • The 50 mg vitamin B6 amount may cause tingling, numbness, or other nerve symptoms with prolonged daily use.
  • Soy-derived phosphatidylcholine makes it unsuitable for people with a soy allergy.
  • Avoid combining it with other high-B6 supplements.

Nutrient quality

66 High impact

The formula relies on thiamine mononitrate, pyridoxine hydrochloride, cyanocobalamin, and other conventional forms. The high vitamin B6 amount creates a meaningful neuropathy concern with long-term use.

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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

67 High impact

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

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Value for money

66 High impact

Quality or dose limitations weaken the premium position. Phosphatidylcholine is relevant, while the softgel fat and protein add little active value.

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Goals

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

A complete B-complex supports the nutrient-dependent steps that convert food into cellular energy. High amounts of thiamin, riboflavin, niacin, and pantothenic acid provide focused metabolic coverage.

Standard vitamin forms and a B12 amount below the targeted energy threshold limit the advantage over basic deficiency support. The concentrated vitamin B6 amount also makes long-term daily use less suitable without a clear need.

Study evidence
Riboflavin Mixed 6 studies
Thiamin Disputed 12 studies
Metabolism Boost
Impact
High effect
C Goal FitB Strength of SupportC CoverageA- Formula Quality
Biotin · 50 mcgNiacin · 50 mgVitamin B12 · 50 mcgRiboflavin · 50 mgThiamin · 50 mgVitamin B5 · 50 mgVitamin B6 · 50 mg

The high-potency B-vitamin blend supplies several cofactors used to turn food into cellular energy. Its role is foundational, so it is more relevant to correcting inadequate intake than directly raising metabolic rate.

Amounts are substantial and fully disclosed, but most vitamins use standard precursor forms. The focused formula is coherent, although it does not cover thermogenesis, thyroid support, or glycemic control.

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Fat
1 Gram(s)
Protein
1 Gram(s)
Thiamine (Thiamine Mononitrate, Vitamin B1)
50 mg
Riboflavin (Vitamin B2)
50 mg
Niacin (Niacinamide)
50 mg
Vitamin B6 (Pyridoxine Hydrochloride)
50 mg
Folate
680 mcg DFE
Vitamin B12 (Cyanocobalamin)
50 mcg
Biotin
50 mcg
Pantothenic Acid (D-Calcium Pantothenate)
50 mg
Phosphatidyl Choline (Soybeans)
50 mg
Gluten Free Adults 18–50 Women
Report overview
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Pyridoxine hydrochloride is less direct than active P-5-P, but riboflavin may support its conversion. The 50 mg serving is at the upper edge of the preferred range and is delivered in one softgel. Low serving cost provides strong value.

Niacin (Niacinamide) · 50 mg OverallScore80
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyC Value

The B-complex uses clearly named niacinamide at a useful general-support amount. Its conventional softgel delivery has no special release feature, while niacinamide itself has low flush potential. The serving cost is favorable for the included B-vitamin profile.

D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Standard riboflavin requires enzymatic conversion before it becomes metabolically active, while the softgel format supports fast release. The amount reaches the high-potency range for metabolic support. The low serving cost makes the clearly stated dose highly efficient.

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Sources

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

  1. 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
  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. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  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. 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
  11. Effects of thiamine supplementation on exercise-induced fatigue.
    Suzuki M; Itokawa Y · Metabolic brain disease · 1996
    Randomized trial16 participantsEnergy forThiamin
  12. 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