$27.60 $0.55 per serving
Product analysis
Stress B-Complex supplies B vitamins and vitamin C that can help with tiredness or mood changes linked to low nutrient intake. Several ingredients are costly for the amounts supplied.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality54
Some forms are clearly identified, with favorable B5 and reasonable thiamin choices alongside less favored riboflavin. Several other forms are unspecified, leaving part of the quality comparison uncertain.
Ingredient Transparency88
Amounts and most forms are stated. The missing folate, biotin and other forms limit a complete preparation comparison.
Value For Money40
Value is uneven, with B6 comparing favorably. Vitamin C, niacin, B5 and choline are costly for their amounts, while several other comparisons remain uncertain.
Customer Satisfaction86
Customer feedback is very positive across a substantial review history. The reviews show satisfaction without establishing stress or energy benefits.
Product Focus58
The clearest role is filling nutrient gaps that can affect energy, mood or normal body functions. The many wider health aims do not establish extra benefits when nutritional needs are already met.
- Format
Capsule - Container
- 100 Capsule(s)
- Per serving
- $0.55
- Also available
Stress B-Complex$15.60- Customer rating
- 4.7 · 2,214 ratings
Goals
Impact
High effect
Vitamin B5 · 250 mgRiboflavin · 50 mgThiamin · 50 mgVitamin B12 · 250 mcg
Folate, riboflavin, niacin, pantothenic acid, vitamins B6 and B12 and vitamin C can help reduce tiredness when intake is deficient. Their normal metabolic roles do not establish extra energy in adequately nourished adults. Higher amounts do not establish larger fatigue benefits, and the formula does not supply an immediate stimulant effect.
How this product is rated for Energy
Ingredient fit78
Vitamin B12 contributes a relevant declared amount, with formula focus and serving quantity shaping the ingredient finding.
Goal fit
Relevant ingredients sit within a broader formula containing ingredients aimed at other goals.
Dose adequacy
The serving provides a partial match to the saved amount comparisons, which are not clinical benefit percentages.
Pathways0
No energy pathway receives coverage. A nutrient contribution for deficiency-related fatigue remains separate from a stimulant effect or extra energy in adequate adults.
Depth
No energy pathway receives coverage; the nutrient contribution remains distinct from an alertness or general fatigue-relief effect.
Breadth
No energy area reaches the saved coverage target, so broad energy effects are not established.
Evidence81
Vitamin B12 leads the saved evidence finding. The supplied context limits expectations according to nutrient status, preparation and the population studied.
Evidence strength
Vitamin B12 provides the leading evidence contribution; its nutritional-status, population and preparation limits still determine the benefit that can be described.
Studied preparation
The included ingredients match the saved preparation comparisons; this does not establish a tested whole-product fatigue regimen.
Formulation logic100
The included ingredients meet the saved minimum amount comparisons, with no missing partner or configured conflict. These findings do not establish a combined benefit or overall safety.
Partner coverage
No missing required partner limits the included ingredients; this does not establish added benefit from combining them.
Conflicts
No configured ingredient conflict was identified; this does not establish overall safety or cover every possible interaction.
Effective doses
The included ingredients meet the saved minimum amount comparison, which is not proof of a clinically effective personal fatigue dose.
Vitamin B5 Not classified
No linked studies yet.
Impact
High effect
Vitamin C · 1000 mg
Vitamin C provides modest support for shorter colds with regular supplementation rather than infection prevention. B6, B12 and folate can help fill low intakes that impair immune-cell function. The high B-vitamin amounts do not establish greater immune benefit once nutritional needs are met.
How this product is rated for Immunity
Ingredient fit69
Vitamin C contribute to immunity, within a wider formula containing ingredients outside these supported roles. The counted amounts meet the saved comparisons, without establishing extra benefit above nutritional or trial-reference amounts.
Goal fit
Vitamin C contribute to immunity, within a wider formula containing ingredients outside these supported roles.
Dose adequacy
The counted amounts meet the saved comparisons, without establishing extra benefit above nutritional or trial-reference amounts.
Pathways60
The strongest contribution concerns innate immune cell activity, based on the relevant ingredients and their amounts. The main contribution is concentrated in one immune-related area.
Depth
The strongest contribution concerns innate immune cell activity, based on the relevant ingredients and their amounts.
Breadth
The main contribution is concentrated in one immune-related area.
Evidence100
Vitamin C has the strongest supported contribution here, with modest regular-use cold-duration evidence rather than infection prevention.
Evidence strength
Vitamin C has the strongest supported contribution here, with modest regular-use cold-duration evidence rather than infection prevention.
Studied preparation
The counted preparations meet the supplied preparation comparison, without establishing superior effects from their forms or delivery methods.
Formulation logic100
The counted ingredients can contribute independently or have the partners required by the supplied findings. No configured ingredient conflict was identified from the supplied facts.
Partner coverage
The counted ingredients can contribute independently or have the partners required by the supplied findings.
Conflicts
No configured ingredient conflict was identified from the supplied facts.
Effective doses
The counted ingredients all meet the minimum amount comparison; this does not establish infection-prevention or treatment doses.
Impact
Highest effect
Folate · 667 mcg DFEVitamin B12 · 250 mcgVitamin C · 1000 mg
B vitamins supply nutrients used in normal energy metabolism and blood formation. Vitamin C supplies a nutrient involved in normal immune and antioxidant functions. The nutritional contributions are most useful when intake is low; extra benefit with adequate intake is not established.
How this product is rated for Everyday Health
Ingredient fit84
Vitamin B9 (Folate) and the other relevant nutrients provide the main connection to general health. Additional actives make the formula less focused on this goal.
Goal fit
Relevant nutrients contribute to general health, alongside other actives with less direct support for this goal.
Dose adequacy
Most relevant amounts reach the saved comparison endpoints, with some smaller contributions.
Pathways100
The strongest area is energy metabolism cofactors. Contributions also reach the saved coverage level across energy metabolism cofactors, one-carbon metabolism and blood formation, antioxidant and immune defence.
Depth
The strongest supported area is energy metabolism cofactors, through the relevant nutrient contributions.
Breadth
The supported areas reaching the saved coverage level are energy metabolism cofactors, one-carbon metabolism and blood formation, antioxidant and immune defence.
Evidence82
Vitamin B9 (Folate) provides the strongest supported contribution. The supplied context limits routine expectations to filling nutritional gaps rather than improving outcomes in adequately nourished adults.
Evidence strength
Vitamin B9 (Folate) provides the strongest supported contribution here; usefulness remains conditional on the relevant nutritional or population context.
Studied preparation
The relevant preparations match those recognized by the saved findings; this does not establish superiority of a form or delivery method.
Formulation logic100
The relevant ingredients can contribute independently, and no configured conflict was found. Their presence together does not establish an added combination benefit.
Partner coverage
The relevant ingredients can contribute independently or have their required partners present; no extra combination benefit is established.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All ingredients retained for contribution meet the saved amount threshold; that threshold does not prove a clinical benefit.
Impact
High effect
Folate · 667 mcg DFEVitamin B12 · 250 mcgVitamin B6 · 50 mgVitamin C · 1000 mg
Vitamin C has some direct subjective-stress and acute stress-response findings, with nutritional status and formulation limiting generalization. Vitamin B6 has some anxiety evidence, but stress findings often involve combinations. Folate, B12 and pantothenic acid mainly add indirect nutritional or metabolic relevance, rather than independent proof of everyday relief. The broad B-complex formula does not establish added benefit from combining its nutrients.
How this product is rated for Stress Relief
Ingredient fit76
Vitamin C is a key ingredient in the saved stress-related findings. Amounts provide partial or uneven support.
Goal fit
Stress-related ingredients sit within a broader product, with other ingredients or linked uses reducing its focus.
Dose adequacy
The disclosed amounts provide partial or uneven support to the saved stress-related findings.
Pathways80
The strongest coverage concerns mood and neurotransmitter-related activity. The breadth finding includes stress-response regulation, mood and neurotransmitter-related activity.
Depth
The strongest saved coverage concerns mood and neurotransmitter-related activity; this does not establish a lasting clinical effect.
Breadth
The routes meeting the breadth criterion are stress-response regulation, mood and neurotransmitter-related activity. Other aspects receive less or no coverage.
Evidence72
Vitamin C has some direct stress findings, but nutritional status and formulation limit generalization.
Evidence strength
Vitamin C has some direct stress findings, but nutritional status and formulation limit generalization.
Studied preparation
The credited ingredients meet the saved preparation criteria; population, duration and outcome differences still limit expectations.
Formulation logic100
The credited ingredients meet the minimum amount criterion, with no unmet partner requirement or evaluated ingredient conflict identified.
Partner coverage
No credited ingredient has an unmet partner requirement; this does not establish extra relief from combining ingredients.
Conflicts
No ingredient conflict was identified by the evaluated rules.
Effective doses
All credited ingredients meet the saved minimum amount criterion; this is not a proven effective dose or response threshold.
Vitamin B5 Not classified
No linked studies yet.
Impact
High effect
Biotin · 100 mcgNiacin · 100 mgVitamin B12 · 250 mcgRiboflavin · 50 mgThiamin · 50 mgVitamin B5 · 250 mgVitamin B6 · 50 mg
B vitamins help the body use carbohydrate, fat and protein for normal energy metabolism. Replacing inadequate intake supports these normal processes, but extra B vitamins have not been shown here to raise energy expenditure when intake is adequate.
How this product is rated for Metabolism Support
Ingredient fit75
The formula supplies nutrients involved in normal metabolism. Its favorable saved amount findings should not be read as evidence of a direct metabolic-rate increase.
Goal fit
The formula includes nutrients needed for normal metabolism, alongside other ingredients; this does not establish direct stimulation of energy expenditure.
Dose adequacy
The declared amounts provide partial coverage of the saved comparison ranges, which are not proven doses for increasing metabolic rate.
Pathways0
No direct thermogenic pathway receives a contribution; B-vitamin support for normal metabolism is a separate function.
Depth
No direct thermogenic pathway receives a contribution; B-vitamin support for normal metabolism is a separate function.
Breadth
No pathway reaches the saved coverage threshold, so broad support across the evaluated mechanisms is absent.
Evidence100
Thiamin leads the saved evidence finding, but its normal metabolic role does not demonstrate a boost in energy expenditure.
Evidence strength
Thiamin leads the saved evidence finding, but its normal metabolic role does not demonstrate a boost in energy expenditure.
Studied preparation
The saved finding accepts the evaluated preparations; this does not demonstrate that the listed forms increase metabolic rate or outperform alternatives.
Formulation logic100
No unmet partner requirement or configured conflict was found, and the recognized ingredients meet the saved amount threshold.
Partner coverage
The recognized ingredients have no unmet partner requirement in the saved findings; this does not establish additional benefit from combining them.
Conflicts
No configured ingredient conflict was detected in the supplied facts.
Effective doses
The recognized ingredients reach the saved amount threshold; that threshold does not establish a clinically effective thermogenic dose.
Impact
Highest effect
Folate · 667 mcg DFEVitamin B12 · 250 mcgVitamin B6 · 50 mgVitamin C · 1000 mgCholine · 41 mgRiboflavin · 50 mg
Folate supports normal methyl-group metabolism; its arsenic-related findings concern chronically exposed adults and cannot be generalized to routine toxin removal. Choline supports normal liver function when intake is insufficient, without establishing extra toxin clearance with adequate intake.
How this product is rated for Liver & Detox
Ingredient fit70
Folate contributes a context-specific connection to this goal; the wider nutrient formula is less focused on toxin removal.
Goal fit
Other actives and links to additional goals make the formulation less specific to this goal.
Dose adequacy
Several declared amounts receive partial recognition; lower or unknown amounts limit contributions without proving ineffectiveness.
Pathways73
The strongest retained coverage concerns methyl-group supply. These ingredient-role categories do not establish measured toxin clearance.
Depth
The strongest retained ingredient-role coverage concerns methyl-group supply, rather than demonstrated clearance of an identified toxin.
Breadth
Two tracked roles reach the coverage threshold.
Evidence96
Vitamin B9 (Folate) provides the strongest retained contribution, while population and preparation limits constrain the benefits that can be described.
Evidence strength
Vitamin B9 (Folate) supplies the strongest retained evidence contribution; this does not establish generalized toxin removal.
Studied preparation
Some retained contributions lack recognized studied preparations, limiting correspondence with the supplied research.
Formulation logic100
No required partner is missing and no configured conflict was identified. Retained ingredients meet the minimum comparison threshold.
Partner coverage
No required partner is missing; this does not establish an extra combination benefit.
Conflicts
No configured conflict was identified from the supplied facts.
Effective doses
All retained ingredients meet the minimum comparison threshold; this is not proof of an effective detoxification regimen.
Riboflavin Not classified
No linked studies yet.
Vitamin B6 Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (L-Ascorbic Acid) | 1000 mg | |
Thiamine (Thiamine Mononitrate) | 50 mg | |
Riboflavin | 50 mg | |
Niacin (Niacinamide) | 100 mg | |
Vitamin B6 (Pyridoxine Hydrochloride) | 50 mg | |
Folate | 667 mcg DFE | |
Vitamin B12 (Cyanocobalamin) | 250 mcg | |
Biotin | 100 mcg | |
Pantothenic Acid (Calcium D-Pantothenate) | 250 mg | |
Choline (Choline Bitartrate) | 41 mg | |
Inositol | 100 mg | |
Para-Aminobenzoic Acid | 50 mg |
Niacin (Niacinamide) · 100 mg OverallScore75
Each serving provides 100 mg of niacin. The price per serving is high for the niacin form. It uses niacinamide, a non-flushing form of niacin.
How this ingredient is rated
Active Ingredient Quality & Bioavailability86
It uses niacinamide, a non-flushing form of niacin.
Niacin Form & Goal Alignment
It uses niacinamide, a non-flushing form of niacin.
Precursor Source Quality
Niacinamide is the named form.
Dose, Safety & Label Transparency92
Each serving provides 100 mg of niacin. Niacinamide is a non-flushing form; no no-flush claim is recorded.
Clarity of Chemical Form
The label names niacinamide.
Form-Specific Dosage Efficacy
Each serving provides 100 mg of niacin.
Flush Risk & Safety Labeling
Niacinamide is a non-flushing form; no no-flush claim is recorded.
Value20
The price per serving is high for the niacin form.
Price Per Effective Serving
The price per serving is high for the niacin form.
Vitamin B6 (Pyridoxine Hydrochloride) · 50 mg OverallScore73
A serving provides 50 mg of B6 at a moderate cost per mg. The amount exceeds the European adult upper limit of 12 mg per day. The B6 source is Pyridoxine Hydrochloride.
How this ingredient is rated
Ingredient Form & Label Quality100
The B6 source is Pyridoxine Hydrochloride. No artificial colors, titanium dioxide or talc are indicated in the available additive findings.
Vitamin B6 Form Identification
The B6 source is Pyridoxine Hydrochloride.
Clean Label and Excipient Purity
No artificial colors, titanium dioxide or talc are indicated in the available additive findings.
Dose, Safety & Label Transparency37
50 mg per serving exceeds the European adult upper limit of 12 mg per day; total daily intake also includes food and other supplements. The source is named.
Vitamin B6 Dose & Safety Policy
50 mg per serving exceeds the European adult upper limit of 12 mg per day; total daily intake also includes food and other supplements.
Label Transparency
The label identifies Pyridoxine Hydrochloride as the B6 source.
Value89
The cost per mg of B6 is moderate.
Vitamin B6 Price Efficiency
The cost per mg of B6 is moderate.
PABA · 50 mg OverallScore78
A serving lists 50 mg of PABA, with the amount stated individually. Scaled from the whole-product serving price, the cost is about $1.10 per 100 mg of PABA.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
The saved facts identify PABA but do not record a pharmaceutical-grade or purity claim.
PABA Source & Grade
PABA is named, while no specific grade or purity designation is recorded in the saved facts.
Dose, Safety & Label Transparency95
The serving lists 50 mg of PABA. None of the three assessed additive categories are recorded.
PABA Dosage Alignment
The recorded PABA amount is 50 mg per serving.
Label Disclosure Clarity
The PABA amount is individually recorded as 50 mg per serving.
Additive and Excipient Quality
The evaluated facts record no FD&C dyes, titanium dioxide or hydrogenated oils.
Value40
The serving price corresponds to about $1.10 per 100 mg of PABA when scaled from the whole-product price.
Price per 100mg PABA
Based on the whole-product serving price, the equivalent cost is about $1.10 per 100 mg of PABA.
Alternative products
Report alternatives
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.
- Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
- The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
- 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.
- The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
- Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.