$21.75 $0.54 per serving
Product analysis
Mega B-Stress combines B vitamins and vitamin C to support normal energy use and help meet nutritional needs. Several forms and the vitamin C mixture proportions are unclear, limiting precise comparisons.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality52
B5 and the clearly identified B6 and niacin forms provide the clearest strengths. Several added forms remain unspecified, so their quality is harder to judge.
Ingredient Transparency68
All amounts and many forms are disclosed, making much of the formula easy to check. Some forms and the vitamin C source proportions are missing, leaving parts of the mixture unclear.
Value For Money40
The B6 contribution offers favorable price value, but several other nutrients are relatively expensive. Uneven value across the mixture makes it harder to justify the cost for a specific nutrient need.
Customer Satisfaction89
Customer ratings are favorable across a substantial review base. That gives a broad satisfaction picture, without establishing stress relief.
Product Focus50
The clearest role is nutritional support for normal energy use when intake is low. The broad range of proposed benefits adds little certainty, and the high B6 serving raises a suitability concern.
- Format
Capsule - Container
- 120 VegCap(s)
- Per serving
- $0.54
- Also available
Mega Vitamin B-Stress$36.99- Customer rating
- 4.7 · 4,837 ratings
Goals
Impact
High effect
Vitamin B5 · 100 mgRiboflavin · 100 mgThiamin · 100 mgVitamin B12 · 250 mcg
Vitamin B5 Not classified
No linked studies yet.
Impact
Highest effect
Folate · 400 mcgVitamin B12 · 250 mcgVitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Impact
High effect
Folate · 400 mcgVitamin B12 · 250 mcgVitamin B6 · 100 mgVitamin C · 1000 mgCholine · 100 mgRiboflavin · 100 mg
Riboflavin Not classified
No linked studies yet.
Vitamin B6 Not classified
No linked studies yet.
Impact
High effect
Folate · 400 mcgVitamin B12 · 250 mcgVitamin B6 · 100 mgVitamin C · 1000 mg
Vitamin B5 Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Acerola Cherry, Ascorbic Acid, Rose Hip) | 1000 mg | |
Thiamine (Thiamine Mononitrate) | 100 mg | |
Riboflavin | 100 mg | |
Niacin (Niacinamide) | 100 mg | |
Vitamin B6 (Pyridoxine Hydrochloride) | 100 mg | |
Folate (Folic Acid) | 400 mcg | |
Vitamin B12 (Cyanocobalamin) | 250 mcg | |
Biotin | 100 mcg | |
Pantothenic Acid (Calcium D-Pantothenate) | 100 mg | |
Choline Bitartrate | 100 mg | |
Inositol | 100 mg | |
Bioflavonoid Concentrate | 100 mg | |
Para-Aminobenzoic Acid | 100 mg |
PABA · 100 mg OverallScore80
The serving provides 100 mg of PABA, with a high estimated cost per 100 mg based on the full serving price. That estimate may overstate the cost of PABA itself. No pharmaceutical grade or high-purity designation is stated in the available information.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
PABA is named, but a pharmaceutical grade or high-purity designation is not stated in the available information.
PABA Source & Grade
PABA is named, but a pharmaceutical grade or high-purity designation is not stated in the available information.
Dose, Safety & Label Transparency100
The selected serving states 100 mg of PABA. No artificial colors, titanium dioxide or hydrogenated oils are recorded in the available information.
PABA Dosage Alignment
The selected serving states 100 mg of PABA.
Label Disclosure Clarity
The selected serving states 100 mg of PABA.
Additive and Excipient Quality
No artificial colors, titanium dioxide or hydrogenated oils are recorded in the available information.
Value40
The estimated cost per 100 mg of PABA is high; using the full serving price may overstate the cost attributable to PABA.
Price per 100mg PABA
The estimated cost per 100 mg of PABA is high; using the full serving price may overstate the cost attributable to PABA.
Thiamin (Thiamine Mononitrate) · 100 mg OverallScore76
Each serving provides 100 mg of thiamin at a high cost for the amount. It uses Thiamine Mononitrate, a standard water-soluble form. The amount is clearly stated.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
Thiamine Mononitrate is a standard water-soluble form of thiamin. The available information indicates no listed artificial sweeteners, artificial colors, or titanium dioxide among the checked additives.
Thiamin Chemical Form
Thiamine Mononitrate is a standard water-soluble form of thiamin.
Excipient Purity
The available information indicates no listed artificial sweeteners, artificial colors, or titanium dioxide among the checked additives.
Dose, Safety & Label Transparency100
The label states 100 mg of thiamin per serving, a high-potency amount for metabolic and neurological support.
Thiamin Dosage Potency
The 100 mg per serving is a high-potency amount for metabolic and neurological support.
Label Transparency & Proprietary Blends
The thiamin amount is clearly stated at 100 mg per serving.
Value40
The cost is high for the stated amount of thiamin.
Price per Declared Dose
The cost is high for the stated amount of thiamin.
Niacin (Niacinamide) · 100 mg OverallScore81
Each serving provides 100 mg of niacin as niacinamide, at a high cost per serving. The label does not make a no-flush claim.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
Niacinamide fits the stated skin-support goal.
Niacin Form & Goal Alignment
Niacinamide fits the stated skin-support goal.
Precursor Source Quality
Niacinamide is a standard B3 source.
Dose, Safety & Label Transparency92
The label names Niacinamide as the form. Niacinamide is a non-flushing form; no no-flush claim is recorded.
Clarity of Chemical Form
The label names Niacinamide as the form.
Form-Specific Dosage Efficacy
Each serving provides 100 mg of niacin as Niacinamide.
Flush Risk & Safety Labeling
Niacinamide is a non-flushing form; no no-flush claim is recorded.
Value20
The cost per serving is high.
Price Per Effective Serving
The cost per serving is high.
Alternative products
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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.