$77.99 $0.43 per serving
Product analysis
B Complex supports normal energy use and can help tiredness linked to low B-vitamin intake. Missing riboflavin and folate preparation details make close 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 the niacin preparation is specified. Several other ingredients have missing preparation details or insufficient quality information.
Ingredient Transparency88
All listed quantities and most forms are disclosed. Riboflavin, folate and kale lack preparation details, limiting precise comparisons.
Value For Money41
Riboflavin compares favorably on serving price. The full serving looks expensive when considered for niacin, vitamin B5 or thiamin, while other value comparisons remain uncertain.
Customer Satisfaction80
Customer feedback is very positive across hundreds of ratings. The review history provides useful satisfaction context without establishing extra energy for adequately nourished adults.
Product Focus67
The main purpose is to cover B-vitamin needs involved in normal energy use. Benefits for tiredness depend on a relevant shortfall, with no established calorie-burning boost from extra intake.
- Format
Tablet - Container
- 180 Tablet(s)
- Per serving
- $0.43
- Also available
B Complex$33.74- Customer rating
- 4.8 · 679 ratings
Goals
Impact
High effect
Vitamin B5 · 45 mgRiboflavin · 9 mgThiamin · 9 mgVitamin B12 · 50 mcg
Folate, Niacin, Vitamin B6, Vitamin B12, Vitamin B5 and Vitamin B2 (Riboflavin) can help reduce tiredness when inadequate intake causes deficiency-related fatigue. B12 and folate support normal red-blood-cell formation; deficiency-related anaemia can cause weakness. These functions do not establish an energy boost when intake is already adequate. The B12 amount falls below the saved comparison threshold, despite its nutritional role.
How this product is rated for Energy
Ingredient fit83
Vitamin B2 (Riboflavin) anchors the recognized ingredient fit, with declared amounts partly meeting the saved comparisons.
Goal fit
Recognized energy-related ingredients share the formula with ingredients serving other goals, reducing its focus.
Dose adequacy
The declared amounts partly meet the saved comparisons, limiting the size of the recognized contribution.
Pathways0
The saved result identifies no coverage of its specific energy pathways. Nutritional fatigue support remains distinct from alertness or exercise capacity.
Depth
No specific energy pathway receives coverage, even though the saved result recognizes nutritional contributions.
Breadth
No energy pathway reaches the saved breadth threshold.
Evidence78
Vitamin B2 (Riboflavin) leads the recognized evidence, but the supplied context limits how broadly its findings apply.
Evidence strength
Vitamin B2 (Riboflavin) supplies the strongest recognized evidence here, subject to the population and application limits described for it.
Studied preparation
The saved findings accept the qualifying preparations; this does not establish form superiority.
Formulation logic100
No required partner is missing, and no configured sedative conflict is present. The recognized amounts reach the saved minimum comparison.
Partner coverage
The recognized ingredients have no missing required partner for their assigned contributions.
Conflicts
No configured sedative conflict applies: valerian, kava, qualifying tryptophan and melatonin are absent.
Effective doses
All recognized ingredients reach the saved minimum amount comparison; that threshold is not proof of a clinical energy effect.
Vitamin B5 Not classified
No linked studies yet.
Impact
High effect
Biotin · 30 mcgNiacin · 45 mgVitamin B12 · 50 mcgRiboflavin · 9 mgThiamin · 9 mgVitamin B5 · 45 mgVitamin B6 · 10 mg
B vitamins help the body use carbohydrate, fat and protein through normal enzyme and cofactor functions. Supplying more does not establish a rise in resting or daily energy expenditure when intake is adequate. The declared amounts do not demonstrate sustained metabolic-rate or weight-loss effects.
How this product is rated for Metabolism Support
Ingredient fit82
Vitamin B1 (Thiamin) contributes to the saved ingredient and amount findings. The supplied scientific context limits expectations for a direct metabolism boost.
Goal fit
The formula includes ingredients serving other purposes, reducing its specific focus on the included metabolism-related ingredients.
Dose adequacy
Some included amounts provide partial comparison contributions, without establishing how much energy expenditure would change.
Pathways0
Normal nutrient functions remain separate from thermogenesis. No direct energy-expenditure route receives a contribution.
Depth
No direct energy-expenditure route receives a contribution from the supplied findings.
Breadth
No route meets the coverage threshold, leaving limited breadth across energy-expenditure mechanisms.
Evidence100
Vitamin B1 (Thiamin) leads the included evidence finding. Cellular energy roles and metabolic biomarkers do not by themselves demonstrate higher whole-body energy expenditure.
Evidence strength
Vitamin B1 (Thiamin) leads the saved evidence comparison, while its supplied findings do not establish a routine energy-expenditure boost.
Studied preparation
The included preparations are accepted for comparison; this does not establish that the product reproduces a thermogenesis trial.
Formulation logic100
No missing partner or configured conflict is identified. Meeting comparison amounts does not establish added thermogenesis from the formula.
Partner coverage
The supplied findings identify no missing partner needed by the included ingredients.
Conflicts
No configured ingredient conflict is identified in the supplied formula; this is a limited interaction check.
Effective doses
The included ingredients meet the minimum amount threshold, which does not establish an effective thermogenic dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Thiamine (Thiamine HCl) | 9 mg | |
Riboflavin (organic Brown Rice) | 9 mg | |
Niacin (Niacinamide, S. cerevisiae) | 45 mg | |
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 | |
Kale | 125 mg |
Niacin (Niacinamide, S. cerevisiae) · 45 mg OverallScore65
Each serving provides 45 mg of niacin as niacinamide. Niacinamide is generally not associated with the typical niacin flush.
How this ingredient is rated
Active Ingredient Quality & Bioavailability86
Niacinamide is a standard form of niacin.
Niacin Form & Goal Alignment
Niacinamide is a standard form used for general niacin intake.
Precursor Source Quality
The recorded source is niacinamide; no advanced precursor claim is recorded in the saved facts.
Dose, Safety & Label Transparency67
The saved facts identify 45 mg of niacin per serving as niacinamide, a form generally not associated with the typical niacin flush.
Clarity of Chemical Form
Niacinamide is identified as the source form.
Form-Specific Dosage Efficacy
The recorded serving contains 45 mg of niacin as niacinamide.
Flush Risk & Safety Labeling
Niacinamide is generally not associated with the typical niacin flush; the saved facts do not record a no-flush claim.
Value20
A whole-product serving costs about $0.43.
Price Per Effective Serving
A whole-product serving costs about $0.43.
Thiamin (Thiamine HCl) · 9 mg OverallScore56
Each serving provides 9 mg of thiamin from thiamine hydrochloride, a relatively small amount for this comparison. At about $4.81 per 100 mg of thiamin, the whole-product price is high for this ingredient.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
Thiamine Hydrochloride is a standard thiamin form.
Thiamin Chemical Form
Thiamine Hydrochloride is a standard water-soluble form of thiamin.
Excipient Purity
The evaluation does not flag the checked artificial colors or sweeteners, and no minimal-excipient claim is recorded.
Dose, Safety & Label Transparency51
The label lists 9 mg of thiamin per serving, a relatively small amount for this comparison.
Thiamin Dosage Potency
9 mg of thiamin per serving is a relatively small amount for this comparison.
Label Transparency & Proprietary Blends
The label states 9 mg of thiamin per serving.
Value40
The whole-product price is high when compared by the amount of thiamin.
Price per Declared Dose
The whole-product price works out to about $4.81 per 100 mg of thiamin.
Vitamin B5 (Calcium D-Pantothenate) · 45 mg OverallScore61
Each serving supplies 45 mg of vitamin B5 from calcium d-pantothenate, a modest amount in this comparison. The whole-product price is about $4.81 per 500 mg of B5, making it relatively costly for this ingredient.
How this ingredient is rated
Active Ingredient Quality & Bioavailability90
Calcium D-Pantothenate is a named, stable and well-absorbed B5 source.
Vitamin B5 Chemical Form
Calcium D-Pantothenate is a named, stable and well-absorbed B5 source.
Dose, Safety & Label Transparency52
The label names the B5 source and lists 45 mg per serving.
Dosage Potency and Efficacy
The serving lists 45 mg of B5, a modest amount in this comparison.
Label Transparency & Source Clarity
The label names calcium d-pantothenate and lists 45 mg of B5 per serving.
Value20
At about $4.81 per 500 mg of B5, the whole-product price is relatively high for the amount of B5 supplied.
Price per 500mg Vitamin B5
At about $4.81 per 500 mg of B5, the whole-product price is relatively high for the amount of B5 supplied.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
- Vitamin B status in patients with chronic fatigue syndrome.
- B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
- Metabolic features of chronic fatigue syndrome.
- Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
- Influence of thiamin supplementation on the health and general well-being of an elderly Irish population with marginal thiamin deficiency.
- Randomised clinical trial: high-dose oral thiamine versus placebo for chronic fatigue in patients with quiescent inflammatory bowel disease.
- Dietary reference values for thiamin.
- Effects of thiamine supplementation on exercise-induced fatigue.
- 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.
- A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
- Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
- Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
- Cobalamin deficiency: clinical picture and radiological findings.
- Vitamin B12 Deficiency: Common Questions and Answers.
- Biotin and contribution to normal energy-yielding metabolism: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
- Pregnancy and lactation alter biomarkers of biotin metabolism in women consuming a controlled diet.
- Survey of the effect of biotin on glycemic control and plasma lipid concentrations in type 1 diabetic patients in kermanshah in iran (2008-2009)
- Chromium picolinate and biotin combination improves glucose metabolism in treated, uncontrolled overweight to obese patients with type 2 diabetes
- Biotin supplementation reduces plasma triacylglycerol and VLDL in type 2 diabetic patients and in nondiabetic subjects with hypertriglyceridemia