B Complex

B Complex

INNATE Response Formulas4.8 (654 ratings)
Format:Tablet Quantity: 90 Tablet(s) · 90 servings
Goals
$33.74 $0.37 per serving

Product analysis

64 out of 100

B Complex helps cover B-vitamin gaps that can contribute to tiredness and supports normal use of energy from food. Missing riboflavin and folate form details make precise comparisons harder.

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

Nutrient Quality53

Vitamin B1 and B5 have clearly identified usable forms, and niacin is specified. Riboflavin, folate and kale lack preparation details, while quality information for several other ingredients remains uncertain.

Ingredient Transparency88

All listed quantities and most forms are stated. Riboflavin, folate and kale lack preparation details, limiting precise comparisons.

Value For Money41

Riboflavin compares favorably on serving price. Niacin, vitamin B5 and thiamin look expensive when considered at the full serving cost, while other comparisons remain uncertain.

Customer Satisfaction80

Customer feedback is very positive across hundreds of ratings. The review history provides useful satisfaction context without proving an energy boost.

Product Focus67

The main purpose is meeting B-vitamin needs that support normal energy metabolism. Extra intake does not establish faster calorie burning or more energy once nutritional needs are met.

Format
Tablet
Container
90 Tablet(s)
Per serving
$0.37
Customer rating
4.8 · 654 ratings
Report analysis

Goals

Impact
High effect
B+ Ingredient FitF PathwaysB EvidenceA+ Formulation Logic
Vitamin B5 · 45 mgRiboflavin · 9 mgThiamin · 9 mgVitamin B12 · 50 mcg
Study evidence
Thiamin Disputed 12 studies
Impact
High effect
B+ Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Biotin · 30 mcgNiacin · 45 mgVitamin B12 · 50 mcgRiboflavin · 9 mgThiamin · 9 mgVitamin B5 · 45 mgVitamin B6 · 10 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 HCl)
9 mg 56
Riboflavin (organic Brown Rice)
9 mg 54
Niacin (Niacinamide, S. cerevisiae)
45 mg 65
Vitamin B6 (Pyridoxine Hydrochloride, S. cerevisiae)
10 mg
Folate
400 mcg DFE
Vitamin B12 (Cyanocobalamin)
50 mcg
Biotin (Brown Rice)
30 mcg
Pantothenic Acid (Calcium D-Pantothenate)
45 mg 61
Kale
125 NP
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
A- Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyF Value
A serving provides 45 mg of niacin, with a high cost per serving. It uses niacinamide. Niacinamide is generally non-flushing.
How this ingredient is rated

Active Ingredient Quality & Bioavailability86

It uses niacinamide.
Niacin Form & Goal Alignment
The stated form is niacinamide.
Precursor Source Quality
niacinamide is a standard form of vitamin B3.

Dose, Safety & Label Transparency67

A serving contains 45 mg of niacin. It uses niacinamide.
Clarity of Chemical Form
It uses niacinamide.
Form-Specific Dosage Efficacy
A serving provides 45 mg of niacin.
Flush Risk & Safety Labeling
Niacinamide is generally non-flushing.

Value20

The cost per serving is high.
Price Per Effective Serving
The cost per serving is high.
B- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyD- Value
Each serving supplies 9 mg of thiamin. The cost is high relative to the thiamin amount, and the price covers the full serving. It uses thiamine hydrochloride, a standard water-soluble form.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The thiamin is thiamine hydrochloride, a standard water-soluble form. The listed information flags no configured artificial sweeteners or colors; this does not establish that the formula has no excipients.
Thiamin Chemical Form
The thiamin is thiamine hydrochloride, a standard water-soluble form.
Excipient Purity
The listed information flags no configured artificial sweeteners or colors; this does not establish that the formula has no excipients.

Dose, Safety & Label Transparency51

Each serving supplies 9 mg of thiamin. The thiamin amount and source are stated.
Thiamin Dosage Potency
Each serving supplies 9 mg of thiamin.
Label Transparency & Proprietary Blends
The thiamin amount and source are stated.

Value40

The cost is high relative to the declared thiamin amount; the price covers the full serving.
Price per Declared Dose
The cost is high relative to the declared thiamin amount; the price covers the full serving.
A Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyF Value
A serving provides 45 mg vitamin B5, with a high cost for the amount supplied. It uses Calcium D-Pantothenate, a stable form of B5.
How this ingredient is rated

Active Ingredient Quality & Bioavailability90

It uses Calcium D-Pantothenate, a stable form of B5.
Vitamin B5 Chemical Form
It uses Calcium D-Pantothenate, a stable form of B5.

Dose, Safety & Label Transparency52

A serving provides 45 mg vitamin B5. The amount and Calcium D-Pantothenate source are stated.
Dosage Potency and Efficacy
A serving provides 45 mg vitamin B5.
Label Transparency & Source Clarity
The amount and Calcium D-Pantothenate source are stated.

Value20

The cost is high relative to the amount of B5 supplied.
Price per 500mg Vitamin B5
The cost is high relative to the amount of B5 supplied.
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. Biotin and contribution to normal energy-yielding metabolism: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusMetabolism Support forBiotin
  17. Pregnancy and lactation alter biomarkers of biotin metabolism in women consuming a controlled diet.
    Perry CA; West AA; Gayle A; Lucas LK; Yan J; Jiang X; Malysheva O; Caudill MA · The Journal of nutrition · 2015
    Clinical trial75 participantsMetabolism Support forBiotin
  18. Survey of the effect of biotin on glycemic control and plasma lipid concentrations in type 1 diabetic patients in kermanshah in iran (2008-2009)
    Hemmati M, Babaei H, Abdolsalehei M · Oman Medical Journal · 2013
    Randomized trial70 participantsMetabolism Support forBiotin
  19. Chromium picolinate and biotin combination improves glucose metabolism in treated, uncontrolled overweight to obese patients with type 2 diabetes
    César A Albarracin, Bobby C Fuqua, James L Evans, Ira D Goldfine · Diabetes/Metabolism Research and Reviews · 2008
    Randomized trial348 participantsMetabolism Support forBiotin
  20. Biotin supplementation reduces plasma triacylglycerol and VLDL in type 2 diabetic patients and in nondiabetic subjects with hypertriglyceridemia
    Cristina Revilla-Monsalve, Iván Zendejas-Ruiz, Sergio Islas-Andrade, Armida Báez-Saldaña, Miguel Angel Palomino-Garibay, Pedro Martín Hernández-Quiróz, Cristina Fernandez-Mejia · Biomedicine & Pharmacotherapy · 2006
    Randomized trial33 participantsMetabolism Support forBiotin