$32.00 $0.32 per serving
Product analysis
B Complex Plus supports the normal use of food for energy and may help when B vitamin intake is low. Unspecified folate and biotin forms, plus undisclosed proportions in the niacin and B12 mixtures, make some comparisons harder.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality72
Several B vitamins have clearly identified, favorable forms. Folate and biotin forms are unspecified, while the named B12 forms do not establish a clear quality advantage.
Ingredient Transparency73
Every ingredient amount and most forms are stated. Folate and biotin forms are missing, and the niacin and B12 mixtures do not disclose their proportions.
Value For Money52
Value is mixed, with better value for riboflavin and B6. B5 and choline are relatively costly for their amounts, so the combination is less economical for those contributions.
Customer Satisfaction91
Customer feedback is very positive across thousands of ratings. The sizeable review base gives a broad satisfaction picture without proving an energy effect.
Product Focus70
The B vitamins form a coherent combination for nutritional energy support. Benefits are most relevant when intake is low, rather than as an extra energy boost with adequate nutrition.
- Format
Capsule - Container
- 100 Capsule(s)
- Per serving
- $0.32
- Customer rating
- 4.8 · 4,769 ratings
Goals
Impact
High effect
Vitamin B5 · 125 mgRiboflavin · 20 mgThiamin · 25 mgVitamin B12 · 50 mcg
Folate, riboflavin, niacin and B5 support nutrient sufficiency and may help with fatigue caused by deficiency. B6 has a similar conditional role, while thiamin's normal metabolic function does not establish added energy in adequately nourished adults. Higher vitamin amounts are not evidence of a stronger energy effect. B12 is present but falls below the saved inclusion threshold; that does not mean it lacks nutritional value.
How this product is rated for Energy
Ingredient fit90
The recognised B vitamins receive ingredient and amount recognition. Their amounts offer uneven or partial coverage of the comparison range.
Goal fit
The recognised B vitamins contribute to the goal, alongside ingredients or uses beyond energy.
Dose adequacy
The recognised amounts provide partial support overall; the saved comparison does not establish them as proven fatigue-treatment doses.
Pathways0
The relevant connection is nutrient sufficiency; no tracked alertness or exercise pathway received a contribution.
Depth
No contribution was assigned to the tracked alertness or exercise pathways; nutrient sufficiency remains a separate role.
Breadth
None of the tracked pathways reached the coverage threshold.
Evidence78
Riboflavin leads the recognised evidence contribution. The included preparations receive recognition within the saved comparison.
Evidence strength
Riboflavin supplies the strongest recognised evidence contribution here, subject to its ingredient-specific population and outcome limits.
Studied preparation
The included ingredients receive studied-preparation recognition; this does not establish benefits beyond their supported uses.
Formulation logic100
The included ingredients meet the saved amount threshold and have no missing required partners. No configured conflict was found.
Partner coverage
The included ingredients do not lack a required partner in the saved findings.
Conflicts
No configured ingredient conflict was identified in the supplied facts.
Effective doses
All included ingredients meet the saved amount threshold; this threshold is not a proven effective dose.
Vitamin B5 Not classified
No linked studies yet.
Impact
High effect
Biotin · 750 mcgNiacin · 95 mgVitamin B12 · 50 mcgRiboflavin · 20 mgThiamin · 25 mgVitamin B5 · 125 mgVitamin B6 · 20 mg
B vitamins support the normal processing of food into usable energy, but extra amounts do not establish higher energy expenditure when intake is adequate. Zinc and chromium findings concern normal enzyme function or metabolic markers rather than a proven increase in metabolic rate.
How this product is rated for Metabolism Support
Ingredient fit87
Nutrients account for the main included ingredient findings. Amount comparisons remain separate from demonstrated increases in energy expenditure.
Goal fit
Included nutrients provide the main connection, alongside ingredients intended for broader health aims that reduce the formula's focus.
Dose adequacy
The included amounts provide a partial match to the comparison anchors; unknown amounts make no contribution to this finding.
Pathways0
No contribution was recorded to the specific mechanisms tracked for increasing energy expenditure.
Depth
No contribution was recorded to the specific mechanisms tracked for increasing energy expenditure.
Breadth
None of the tracked mechanisms reaches the breadth criterion; normal nutrient functions alone do not establish broad thermogenic action.
Evidence100
Vitamin B1 (Thiamin) leads the saved evidence finding; normal nutrient function does not establish extra energy expenditure with adequate intake.
Evidence strength
Vitamin B1 (Thiamin) leads the saved evidence finding; normal nutrient function does not establish extra energy expenditure with adequate intake.
Studied preparation
The included ingredients meet the saved preparation criterion; this does not extend their evidence to a persistent metabolic-rate increase.
Formulation logic100
No required partner is missing and no configured conflict was matched. The amount findings do not establish added thermogenic benefit from the formula.
Partner coverage
The included ingredients have their required partners or can contribute independently; no additional thermogenic benefit from combining them is established.
Conflicts
No configured ingredient conflict was matched in the saved findings.
Effective doses
The included ingredients meet the minimum amount criterion; meeting it does not establish a proven thermogenic dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Thiamine (Thiamine Hydrochloride) | 25 mg | |
Riboflavin (Riboflavin 5-Phosphate Sodium) | 20 mg | |
Niacin (Inositol Hexanicotinate) | 95 mg | |
Vitamin B6 (Pyridoxal 5-Phosphate) | 20 mg | |
Folate | 680 mcg DFE | |
Vitamin B12 (Adenosylcobalamin, Mecobalactive) | 50 mcg | |
Biotin | 750 mcg | |
Pantothenic Acid (D-Calcium Pantothenate) | 125 mg | |
Choline (Choline Bitartrate) | 50 mg |
Vitamin B6 (Pyridoxal 5-Phosphate) · 20 mg OverallScore82
Vitamin B5 (D-Calcium Pantothenate) · 125 mg OverallScore70
Niacin (Inositol Hexanicotinate) · 95 mg OverallScore62
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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