$15.60 $0.62 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 Quality55
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 Satisfaction82
Customer feedback is very positive across a sizeable set of reviews. The reviews show satisfaction without establishing stress or energy benefits.
Product Focus61
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
- 50 Capsule(s)
- Per serving
- $0.62
- Also available
Stress B-Complex$27.60- Customer rating
- 4.8 · 872 ratings
Goals
Impact
High effect
Vitamin B5 · 250 mgRiboflavin · 50 mgThiamin · 50 mgVitamin B12 · 250 mcg
Riboflavin, niacin, B6, B12, folate and pantothenic acid can help reduce tiredness caused by low intake or deficiency. Their normal metabolic roles do not establish an extra energy boost when nutrition is adequate. Vitamin C can also address tiredness linked to inadequate intake. The large vitamin declarations do not establish added vitality once nutrition is adequate, and the saved findings identify no covered direct energy mechanism.
How this product is rated for Energy
Ingredient fit78
B vitamins and vitamin C provide nutritional support. Amounts provide substantial but uneven saved coverage.
Goal fit
B vitamins and vitamin C provide nutritional support.
Dose adequacy
Amounts provide substantial but uneven saved coverage.
Pathways0
The saved findings identify no covered direct energy mechanism; the relevant contribution concerns nutrition and deficiency-related fatigue.
Depth
No direct energy mechanism is covered in the saved findings.
Breadth
No direct energy area reaches the saved coverage comparison.
Evidence81
B12 leads the saved findings through its role in deficiency-related fatigue. Included nutrient declarations meet the saved preparation comparison.
Evidence strength
B12 leads the saved findings through its role in deficiency-related fatigue.
Studied preparation
Included nutrient declarations meet the saved preparation comparison.
Formulation logic100
Included ingredients have no missing required partner or configured conflict and meet the saved minimum amount comparison.
Partner coverage
Included ingredients work without an additional required partner, or have their required partner; this does not establish an extra combination benefit.
Conflicts
No configured ingredient conflict was found in the supplied facts.
Effective doses
All included ingredients meet the saved minimum amount comparison; this is not a proven minimum effective 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 contribute to normal energy metabolism, while folate and B12 support blood formation. Their nutritional value is clearest when dietary intake falls short. The supplied forms and larger amounts do not establish superior outcomes, extra energy or broader health improvements when intake is already adequate. Vitamin C adds a nutrient contribution to normal defence functions.
How this product is rated for Everyday Health
Ingredient fit84
The selected serving makes a partial nutrient contribution relative to the comparison amounts.
Goal fit
Relevant nutrients contribute to general health, alongside other actives whose routine general-health contribution is not established here.
Dose adequacy
The selected serving makes a partial nutrient contribution relative to the comparison amounts.
Pathways100
The strongest contribution concerns normal energy metabolism. Other meaningful coverage is limited to the named nutrient roles.
Depth
The strongest finding concerns normal energy metabolism, based on the relevant ingredients and their supplied amounts.
Breadth
Meaningful coverage extends to normal energy metabolism, blood formation and related metabolism, normal antioxidant and immune functions.
Evidence82
Vitamin B9 (Folate) provides the leading evidence contribution. Nutritional functions and the preparation findings do not establish broad health improvements above adequate intake.
Evidence strength
Vitamin B9 (Folate) leads the evidence contribution; its nutrient role does not establish extra benefit above adequate intake.
Studied preparation
The included preparations meet the preparation criteria; this does not establish superiority of a particular form.
Formulation logic100
The included ingredients can contribute without a missing required partner, and no configured conflict was found. Their amounts pass the saved minimum contribution check.
Partner coverage
The included ingredients can contribute independently or have their required partners; no extra benefit from combining them is established.
Conflicts
No configured ingredient conflict was identified in the supplied facts.
Effective doses
The included amounts all meet the minimum amount used here; that threshold is not a proven clinical dose.
Impact
High effect
Folate · 667 mcg DFEVitamin B12 · 250 mcgVitamin B6 · 50 mgVitamin C · 1000 mg
Vitamin C may help some subjective and acute stress responses, although nutritional status and formulations limit generalization. B6 has some anxiety findings, but combination studies limit claims about its individual stress benefit. Folate, B12 and B5 add mainly nutritional support, which does not establish extra relief when intake is adequate. The B-complex partners are present.
How this product is rated for Stress Relief
Ingredient fit76
The relevant contributors are Vitamin C, Vitamin B6, Vitamin B9 (Folate), Vitamin B12, Vitamin B5. Their amounts vary in how closely they match the supplied references.
Goal fit
Relevant stress-support ingredients sit within a broader formula with other purposes, so only part of the product directly fits this goal.
Dose adequacy
Vitamin C, Vitamin B6, Vitamin B5 reaches the supplied amount reference; the other contributing ingredients provide smaller or unresolved amounts.
Pathways80
The serving reaches the supplied coverage threshold in several areas: stress-hormone regulation, mood and neurotransmitter synthesis.
Depth
The strongest saved connection is mood and neurotransmitter synthesis, through the relevant ingredients described here; this does not establish a measured biological effect.
Breadth
The serving reaches the supplied coverage threshold in several areas: stress-hormone regulation, mood and neurotransmitter synthesis.
Evidence72
The contributing preparations are recognized in the saved findings; this does not establish that the complete product was tested.
Evidence strength
Vitamin C provides the leading evidence contribution among the included amounts, subject to its specific population and outcome limitations.
Studied preparation
The contributing preparations are recognized in the saved findings; this does not establish that the complete product was tested.
Formulation logic100
The contributing ingredients either work independently or have their required partners present. None of the specific ingredient conflicts checked was identified in the supplied facts.
Partner coverage
The contributing ingredients either work independently or have their required partners present.
Conflicts
None of the specific ingredient conflicts checked was identified in the supplied facts.
Effective doses
All contributing ingredients meet the minimum amount threshold used in the saved comparison; this is not a clinical effectiveness guarantee.
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 has a nutritional role in normal metabolism, with toxin-related evidence limited to specific arsenic-exposed populations using folic acid. This product's folate form is unspecified, so those findings cannot be transferred directly. Choline is below the saved inclusion threshold, and the other B vitamins' metabolic roles do not demonstrate routine toxin removal.
How this product is rated for Liver & Detox
Ingredient fit70
Five nutrients are retained within a broader formula.
Goal fit
Five nutrients are retained within a broader formula.
Dose adequacy
Choline falls below its inclusion threshold; retained amounts receive substantial but mixed recognition.
Pathways73
The retained findings concentrate on methyl-group supply. These category findings do not demonstrate measured toxin removal.
Depth
Methyl-group supply is the best-covered category in the saved findings.
Breadth
Coverage reaches the threshold for liver integrity and methyl-group supply; gut binding and elimination receives no coverage.
Evidence96
Folate leads the retained evidence finding, but its toxin-related studies concern arsenic exposure and specific folic-acid regimens.
Evidence strength
Folate leads the retained evidence finding, but its toxin-related studies concern arsenic exposure and specific folic-acid regimens.
Studied preparation
Riboflavin and B6 are not accepted as studied in the saved preparation finding; other retained preparations are accepted.
Formulation logic100
No required partner is missing and no configured conflict is triggered. Amount findings do not establish clinical toxin-clearance doses.
Partner coverage
The retained ingredients require no missing partner; combined presence does not establish added detoxification benefit.
Conflicts
No configured conflict is triggered, without establishing overall safety.
Effective doses
All 5 retained ingredients meet the comparison amount threshold, which does not establish a clinically effective detoxification dose.
Riboflavin Not classified
No linked studies yet.
Vitamin B6 Not classified
No linked studies yet.
Impact
High effect
Vitamin C · 1000 mg
Vitamin C supports collagen formation and wound repair in deficiency, while B6 and riboflavin help prevent deficiency-related skin disorders. Larger amounts do not establish added skin benefit when intake is adequate. B5 evidence concerns a small acne-formulation trial and cannot establish routine barrier or hydration benefit here; the small biotin and niacin contributions were not counted.
How this product is rated for Skin Health
Ingredient fit72
Vitamin C supplies the leading saved contribution. Its amount receives full recognition in the comparison.
Goal fit
Vitamin C supplies a main skin-related connection within a formula also directed toward other goals.
Dose adequacy
The counted amount receives full recognition in the saved comparison; this is not a proven effective dose or personal suitability assessment.
Pathways18
The saved findings are strongest in epidermal barrier lipids. This category remains below the breadth threshold.
Depth
The strongest saved contribution is assigned to epidermal barrier lipids; this category does not itself demonstrate a clinical skin improvement.
Breadth
None of the main skin pathways reaches the saved breadth threshold.
Evidence100
Vitamin C leads the saved evidence comparison; its supported role concerns collagen formation and impaired healing in deficiency.
Evidence strength
Vitamin C leads the saved evidence comparison; its supported role concerns collagen formation and impaired healing in deficiency.
Studied preparation
The saved findings recognize the counted preparations; that does not establish product-specific trials or cosmetic benefit in replete adults.
Formulation logic100
Partner requirements are met, no configured conflict is matched and the counted amounts meet the saved minimum comparison.
Partner coverage
No unmet partner requirement is recorded for the counted ingredients; this does not establish extra benefit from combining them.
Conflicts
No configured ingredient conflict is matched in the supplied facts.
Effective doses
All counted ingredients meet the saved minimum amount comparison; this does not establish a clinically effective skin dose.
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.
PABA · 50 mg OverallScore78
A serving supplies 50 mg of PABA, with a high estimated whole-product cost per 100 mg of PABA. The amount is stated, but no specific quality grade is available. No artificial colors, titanium dioxide or hydrogenated oils are recorded.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
PABA is named, but a specific quality grade is not stated.
PABA Source & Grade
PABA is named without a specified quality grade.
Dose, Safety & Label Transparency95
The serving lists 50 mg of PABA. No artificial colors, titanium dioxide or hydrogenated oils are recorded among the other ingredients.
PABA Dosage Alignment
The serving contains 50 mg of PABA.
Label Disclosure Clarity
The PABA amount is stated separately.
Additive and Excipient Quality
No artificial colors, titanium dioxide or hydrogenated oils are recorded among the other ingredients.
Value40
The estimated whole-product cost per 100 mg of PABA is high; it includes the cost of the other ingredients.
Price per 100mg PABA
The estimated whole-product cost per 100 mg of PABA is high; it includes the cost of the other ingredients.
Thiamin (Thiamine Mononitrate) · 50 mg OverallScore76
Each serving provides 50 mg of thiamin, a substantial amount, and the cost for that amount is high. It uses Thiamine Mononitrate.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
It uses Thiamine Mononitrate. No flagged sweeteners or artificial colors are indicated; other excipients may still be present.
Thiamin Chemical Form
It uses Thiamine Mononitrate.
Excipient Purity
No flagged sweeteners or artificial colors are indicated; other excipients may still be present.
Dose, Safety & Label Transparency100
The label states 50 mg of thiamin per serving, a substantial amount.
Thiamin Dosage Potency
Each serving provides 50 mg of thiamin, a substantial amount.
Label Transparency & Proprietary Blends
The label states both the thiamin amount and its source.
Value40
The cost is high for the declared thiamin amount; the whole-product price may overstate the cost of thiamin alone.
Price per Declared Dose
The cost is high for the declared thiamin amount; the whole-product price may overstate the cost of thiamin alone.
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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.
- 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.