$14.38 $0.23 per serving
Product analysis
Mega-One combines nutrients that support normal energy use and blood formation when intake is low. Missing forms and mixture proportions make parts of the broad formula harder to compare.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality45
Vitamin D3, B5 and clearly identified B6 provide the clearest form strengths. Other nutrients have less favorable or uncertain form quality, so the broad list does not ensure consistent quality.
Ingredient Transparency70
All listed amounts and many forms are disclosed, making much of the formula easy to check. Several forms and applicable mixture proportions are missing, leaving some contributions unclear.
Value For Money54
Value varies widely, with favorable contributions from several nutrients but weaker value for others such as B5 and boron. Uncertain value for additional components prevents a firm judgment of the full mixture.
Customer Satisfaction78
Customer ratings are favorable. Several hundred reviews give useful feedback, without establishing broad nutritional benefits.
Product Focus29
The formula covers many nutrients and possible uses, which reduces its focus on a particular need. The clearest practical role is filling nutritional gaps rather than adding benefits when intake is adequate.
- Format
Tablet - Container
- 60 Tablet(s)
- Per serving
- $0.23
- Also available
Mega-One$44.63- Customer rating
- 4.7 · 658 ratings
Goals
Impact
Highest effect
Folate · 420 mcgVitamin B12 · 85 mcgVitamin D · 400 IUMagnesium · 20 mgBoron · 1 mgSelenium · 50 mcgZinc · 15 mgVitamin C · 250 mg
B vitamins supply nutrients involved in normal energy metabolism. Folate and iron contribute to normal blood formation. Vitamin C and Zinc and Selenium contribute to normal antioxidant and immune functions. Iodine can help fill a low intake relevant to normal thyroid function. The nutritional contributions can help when intake is low; added benefit above adequate intake is not established. The niacin amount is unresolved.
How this product is rated for Everyday Health
Ingredient fit70
The relevant vitamins and minerals provide the supported focus, alongside other actives whose broad-health relevance is less established. The included amounts make a partial contribution to the saved comparison; smaller or unresolved quantities limit the overall contribution.
Goal fit
The relevant vitamins and minerals provide the supported focus, alongside other actives whose broad-health relevance is less established.
Dose adequacy
The included amounts make a partial contribution to the saved comparison; smaller or unresolved quantities limit the overall contribution.
Pathways100
The strongest area is energy metabolism cofactors, with substantial coverage from the relevant ingredients.
Depth
The strongest area is energy metabolism cofactors, with substantial coverage from the relevant ingredients.
Breadth
The areas reaching the saved coverage threshold are energy metabolism cofactors, one-carbon metabolism and blood formation, antioxidant and immune defence.
Evidence82
Vitamin B9 (Folate) contributes most strongly to the saved evidence finding; its role remains subject to the supplied nutritional or preparation-specific limitations.
Evidence strength
Vitamin B9 (Folate) contributes most strongly to the saved evidence finding; its role remains subject to the supplied nutritional or preparation-specific limitations.
Studied preparation
The eligible preparations match those accepted in the saved findings, without implying superior forms or broader clinical benefits.
Formulation logic98
None of the evaluated ingredient conflicts was triggered. The relevant ingredients can contribute independently or have their required partner present; no extra combined effect is established.
Partner coverage
The relevant ingredients can contribute independently or have their required partner present; no extra combined effect is established.
Conflicts
None of the evaluated ingredient conflicts was triggered.
Effective doses
Vitamin B3 (Niacin) falls short of the saved amount comparison because its eligible amount is unresolved or too small; other included ingredients meet it.
Impact
Moderate effect
Iodine · 150 mcgVitamin D · 400 IUVitamin B5 · 85 mgMagnesium · 20 mgRiboflavin · 85 mgThiamin · 85 mgVitamin B12 · 85 mcgIron · 11 mgPotassium · 10 mg
B vitamins support normal energy metabolism, while folate, iron and vitamin C may help tiredness when they fill a dietary gap. The high B-vitamin amounts do not imply an extra energy boost in adequately nourished adults. Iodine supports thyroid-hormone production, but thyroid status and individual need are unknown.
How this product is rated for Energy
Ingredient fit63
Relevant nutrients sit within a broader formula serving several health goals. The assessed amounts provide substantial, though incomplete, exposure matches.
Goal fit
Relevant nutrients sit within a broader formula serving several health goals.
Dose adequacy
The assessed amounts provide substantial, though incomplete, exposure matches.
Pathways0
The saved findings concern nutritional sufficiency without coverage of a specific energy pathway. No assessed pathway reaches the saved substantial-coverage threshold.
Depth
The saved findings concern nutritional sufficiency without coverage of a specific energy pathway.
Breadth
No assessed pathway reaches the saved substantial-coverage threshold.
Evidence97
Iron provides the strongest assessed evidence at an eligible amount. An energy benefit still depends on the supplied nutrient-status or population qualifications. Iodine lacks a confirmed studied-preparation match; the other included preparations are recognized.
Evidence strength
Iron provides the strongest assessed evidence at an eligible amount. An energy benefit still depends on the supplied nutrient-status or population qualifications.
Studied preparation
Iodine lacks a confirmed studied-preparation match; the other included preparations are recognized.
Formulation logic100
The assessed ingredients work alone or have their required partner. No configured ingredient conflict was identified. 9 of 9 assessed ingredients meet the saved minimum exposure threshold. That threshold does not guarantee less fatigue.
Partner coverage
The assessed ingredients work alone or have their required partner.
Conflicts
No configured ingredient conflict was identified.
Effective doses
9 of 9 assessed ingredients meet the saved minimum exposure threshold. That threshold does not guarantee less fatigue.
Vitamin B5 Not classified
No linked studies yet.
Impact
High effect
Biotin · 85 mcgNiacin · 85 mgVitamin B12 · 85 mcgRiboflavin · 85 mgThiamin · 85 mgVitamin B5 · 85 mgVitamin B6 · 85 mgVitamin D · 400 IUZinc · 15 mgMagnesium · 20 mg
Iodine supplies material needed to make thyroid hormones, so replacing low iodine intake can help when deficiency lowers metabolism. Iron can also help restore impaired heat production when iron-deficiency anaemia is present. The other nutrients support normal metabolic functions, but their supplied evidence does not establish extra energy expenditure when intake is adequate.
How this product is rated for Metabolism Support
Ingredient fit67
Several counted nutrients sit within a formula that serves broader nutritional purposes. The counted amounts have mixed matches to their saved references, rather than a uniform full match.
Goal fit
Several counted nutrients sit within a formula that serves broader nutritional purposes.
Dose adequacy
The counted amounts have mixed matches to their saved references, rather than a uniform full match.
Pathways4
The saved findings assign limited coverage to insulin-related metabolic processes. No tracked pathway reaches the saved breadth threshold.
Depth
The saved findings assign limited coverage to insulin-related metabolic processes.
Breadth
No tracked pathway reaches the saved breadth threshold.
Evidence100
Thiamin leads the saved evidence comparison; normal cofactor function does not establish increased energy expenditure.
Evidence strength
Thiamin leads the saved evidence comparison; normal cofactor function does not establish increased energy expenditure.
Studied preparation
The counted preparations are accepted in the saved comparison; this does not establish a metabolism-rate benefit for the whole formula.
Formulation logic100
The supplied findings require no missing partner and apply no ingredient conflict.
Partner coverage
The counted ingredients work without an additional required partner under the supplied findings.
Conflicts
No configured ingredient conflict was applied.
Effective doses
All counted ingredients meet the saved amount threshold; that threshold is not a proven minimum dose for thermogenesis.
Impact
High effect
Biotin · 85 mcgVitamin D · 400 IUZinc · 15 mgIron · 11 mgVitamin C · 250 mg
Zinc helps address diffuse shedding when zinc intake is deficient; it does not establish extra regrowth when zinc needs are met. Iron can also help shedding associated with iron deficiency. Biotin is below the saved amount comparison, and unresolved vitamin A and D amounts limit their saved contributions. Nutrient or antioxidant mechanisms alone do not establish additional regrowth.
How this product is rated for Hair Health
Ingredient fit52
The relevant ingredient amounts support the saved comparison, with focus reduced where the product covers many other goals.
Goal fit
The relevant ingredients sit within a broader formula with ingredients aimed at other goals.
Dose adequacy
The declared quantities provide the saved amount comparison; meeting its endpoints does not establish hair regrowth or a suitable individual regimen.
Pathways48
Keratin and copper provide the hair-fibre connection, but no route reaches the saved coverage threshold.
Depth
Antioxidant-related activity provides the strongest represented route; plausible follicle protection does not itself demonstrate hair regrowth.
Breadth
Only the antioxidant-related route reaches the saved coverage threshold, leaving narrow coverage of the other hair routes.
Evidence97
Zinc leads the evidence comparison. Practical expectations remain limited by deficiency conditions, clinical populations and preparation-specific findings.
Evidence strength
Zinc leads the supplied evidence comparison, with practical hair relevance chiefly in correcting zinc deficiency.
Studied preparation
Iodine does not match the studied-preparation comparison; retained fallback treatment does not establish equivalent hair outcomes.
Formulation logic96
No missing required partner or listed ingredient conflict limits the formula. Some unresolved ingredient amounts fail the minimum comparison.
Partner coverage
No missing required partner limits the counted ingredients; this does not establish extra benefit from combining them.
Conflicts
No combination matched the supplied ingredient conflict checks.
Effective doses
Vitamin A, Vitamin D falls below the saved minimum amount comparison; the other counted ingredients meet it.
Impact
Moderate effect
Potassium · 10 mgMagnesium · 20 mgVitamin D · 400 IUSelenium · 50 mcgVitamin B12 · 85 mcgVitamin B6 · 85 mgVitamin E · 100 IUFolate · 420 mcgNiacin · 85 mgVitamin C · 250 mg
This multivitamin contains B vitamins, vitamin C, CoQ10 and other ingredients linked to cardiovascular pathways. Its clearest routes are homocysteine metabolism and vessel-wall oxidation, but many unrelated nutrients dilute focus, some amounts or forms are unclear, and coverage outside those routes is limited.
How this product is rated for Cardiovascular Support
Ingredient fit46
Eight goal-linked ingredients sit among 18 off-goal actives, making this broad multivitamin less focused.
Goal fit
Many additional nutrients and botanicals dilute the blend's cardiovascular focus.
Dose adequacy
Some relevant ingredients have low or unclear amounts, which limits their contribution.
Pathways60
The B vitamins cover homocysteine metabolism, with some vessel-wall oxidation support but little elsewhere.
Depth
Homocysteine clearance is the clearest route, with some oxidative-protection support.
Breadth
Only homocysteine reaches the covered level; oxidative protection remains more limited.
Evidence72
Vitamin C has the strongest supplied evidence among the active ingredients, but antioxidant function alone does not show event prevention.
Evidence strength
Vitamin C leads the supplied evidence for this goal, with limited support for routine event prevention.
Studied preparation
Six ingredients at useful amounts use preparations represented in research.
Formulation logic94
Most credited ingredients reach useful amounts or have partners, and no listed conflict is recorded.
Partner coverage
Each credited ingredient works alone or has its required partner.
Conflicts
No listed conflict is recorded for the serving.
Effective doses
Most credited amounts reach a useful level; niacin and vitamin E are below it.
Impact
Moderate effect
Zinc · 15 mgVitamin E · 100 IUVitamin C · 250 mgCopper · 1 mgVitamin A · 12000 IU
Vitamin A is needed for the visual cycle, and low intake can impair vision in dim light. Getting enough may help when a shortage is responsible, but extra vitamin A doesn't improve vision when intake is already adequate. The other eye-related nutrients here don't turn a general multivitamin into a treatment for eye disease or a reliable way to sharpen everyday vision.
How this product is rated for Eye Health
Ingredient fit42
Several vitamins and minerals relate to normal eye function, alongside ingredients intended for other purposes.
Goal fit
Several vitamins and minerals relate to normal eye function, alongside ingredients intended for other purposes.
Dose adequacy
Zinc: 15 mg; Selenium: 50 mcg. These declared serving amounts do not guarantee improved vision.
Pathways60
The clearest ingredient connection is retinal and lens antioxidant defense. This describes ingredient roles, not a guaranteed change in eyesight.
Depth
The clearest ingredient connection is retinal and lens antioxidant defense. This describes ingredient roles, not a guaranteed change in eyesight.
Breadth
The ingredient connections are concentrated in one eye-related function rather than spread across several distinct functions.
Evidence88
Vitamin A helps the visual cycle when intake is inadequate; benefits of other nutrients in specific eye-disease combinations do not imply general visual improvement.
Evidence strength
Vitamin A helps the visual cycle when intake is inadequate; benefits of other nutrients in specific eye-disease combinations do not imply general visual improvement.
Studied preparation
The relevant nutrient preparations are identifiable, but their use in specific combinations does not predict everyday vision benefits from this product.
Formulation logic93
No particular ingredient conflict or missing required partner is identified.
Partner coverage
No missing required ingredient partner is identified for the relevant nutrients.
Conflicts
No particular ingredient conflict is identified.
Effective doses
Vitamin A, Vitamin E: amounts are unresolved or lower than the relevant comparison ranges; this alone doesn't prove lack of benefit.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Total Carbohydrates | 1 Gram(s) | |
Vitamin A | 12000 IU | |
Vitamin C (Calcium Ascorbate, Manganese Ascorbate, Zinc Ascorbate) | 250 mg | |
Vitamin D3 (Cholecalciferol) | 400 IU | |
Vitamin E (Vitamin E Succinate) | 100 IU | |
Thiamine | 85 mg | |
Riboflavin | 85 mg | |
Niacinamide | 85 mg | |
Vitamin B6 (Pyridoxine Hydrochloride) | 85 mg | |
Folate (Folic Acid) | 420 mcg | |
Vitamin B12 (Cyanocobalamin) | 85 mcg | |
Biotin | 85 mcg | |
Pantothenic Acid (Calcium D-Pantothenate) | 85 mg | |
Calcium (Calcium Ascorbate, Calcium Citrate) | 40 mg | |
Iron (Ferrous Fumarate) | 11 mg | |
Iodine (Potassium Iodide) | 150 mcg | |
Magnesium (Magnesium Citrate, Magnesium Oxide) | 20 mg | |
Zinc (Zinc Ascorbate) | 15 mg | |
Selenium (Selenium Amino Acid Chelate) | 50 mcg | |
Copper (Copper Sebacate) | 1 mg | |
Manganese (Manganese Ascorbate) | 6 mg | |
Chromium (Chromium Amino Acid Chelate) | 100 mcg | |
Molybdenum (Molybdenum Amino Acid Chelate) | 100 mcg | |
Potassium (Potassium Citrate) | 10 mg | |
Choline Bitartrate | 85 mg | |
Para-Aminobenzoic Acid | 85 mg | |
Inositol | 85 mg | |
Bioflavonoid Complex | 25 mg | |
Rutin | 21 mg | |
Hesperidin | 5 mg | |
Boron (Boron Amino Acid Chelate) | 1 mg |
Iodine (Potassium Iodide) · 150 mcg OverallScore100
Each serving provides 150 mcg of iodine as potassium iodide. The whole-product serving costs about $0.24.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
Iodine is supplied as potassium iodide, a form the evaluation considers favorable for absorption.
Iodine Form & Bioavailability
Potassium iodide is the iodine source; the evaluation considers it favorable for absorption.
Marine Source Purity & Sourcing
The recorded source is potassium iodide, for which the marine sourcing check does not apply.
Dose, Safety & Label Transparency100
The recorded iodine amount is 150 mcg per serving and falls within the evaluation’s safety threshold.
Dosage Efficacy for Daily Support
Each serving provides 150 mcg of iodine. The evaluation considers this amount aligned with daily support.
Dosage Safety & Upper Limits
The 150 mcg serving amount is within the evaluation’s safety threshold.
Elemental Iodine Transparency
The iodine amount is recorded directly as 150 mcg per serving.
Value100
The whole-product serving costs about $0.24.
Price Per Effective Serving
The whole-product serving costs about $0.24.
Manganese (Manganese Ascorbate) · 6 mg OverallScore88
Manganese ascorbate supplies 6 mg of manganese per tablet. The amount and source are identified, and the whole-product serving costs about $0.24.
How this ingredient is rated
Active Ingredient Quality & Bioavailability70
Manganese ascorbate is a named organic form; its assessment does not establish a specific absorption level.
Manganese Chemical Form
Manganese ascorbate is a named organic form; its assessment does not establish a specific absorption level.
Dose, Safety & Label Transparency100
The serving supplies 6 mg, and the amount and source are identified.
Manganese Dosage Efficacy & Safety
The 6 mg serving falls in the evaluation’s preferred amount band.
Elemental Weight Disclosure
The manganese amount and source are both stated.
Value100
The whole-product serving costs about $0.24, relatively low in this comparison.
Price per Serving vs. Median
The whole-product serving costs about $0.24, relatively low in this comparison.
PABA · 85 mg OverallScore84
Each serving supplies 85 mg of PABA, a moderate amount in the evaluation. The whole-product price is about $0.28 per 100 mg of PABA, a moderate cost for the quantity.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
PABA is identified in the saved facts, with no specific source or grade recorded.
PABA Source & Grade
The ingredient is named as PABA; the saved facts do not specify a quality grade or establish purity.
Dose, Safety & Label Transparency95
The PABA amount is individually disclosed.
PABA Dosage Alignment
The 85 mg per serving is a moderate amount in the evaluation.
Label Disclosure Clarity
PABA is individually listed at 85 mg per serving.
Additive and Excipient Quality
No artificial dyes, titanium dioxide, or hydrogenated oils were identified in the recorded other ingredients.
Value70
The whole-product cost is moderate when compared by PABA quantity.
Price per 100mg PABA
The whole-product price works out to about $0.28 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.
- [Comparative study of the urinary excretion of boron, calcium, magnesium and phosphorus in postmenopausal women with and without osteoporosis].
- Effect of dietary boron on mineral, estrogen, and testosterone metabolism in postmenopausal women.
- The relationship between boron and magnesium status and bone mineral density in the human: a review.
- Effects of boron supplementation on bone mineral density and dietary, blood, and urinary calcium, phosphorus, magnesium, and boron in female athletes.
- Metabolic responses of postmenopausal women to supplemental dietary boron and aluminum during usual and low magnesium intake: boron, calcium, and magnesium absorption and retention and blood mineral concentrations
- What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
- Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
- The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
- The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
- Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
- The Association between Dietary and Circulating Copper Levels and Osteoporosis: a Scoping Review.
- Association between dietary copper, iron, zinc, selenium intake and osteopenia or osteoporosis in elderly hypertensive patients: a retrospective cohort study.
- Associations of dietary copper intake with total bone mineral density and lumbar spine bone mineral density in American adults.
- The association between dietary mineral intake and bone mineral density: a cross-sectional study.
- Association between dietary copper intake and bone mineral density in children and adolescents aged 8-19 years: A cross-sectional study.
- Association between RBC folate and lumbar bone mineral density in postmenopausal women, a cross-sectional study from NHANES 2009-2018.
- Genetic variants modify the associations of concentrations of methylmalonic acid, vitamin B-12, vitamin B-6, and folate with bone mineral density.
- Adequate Intake and Supplementation of B Vitamins, in Particular Folic Acid, can Play a Protective Role in Bone Health.
- Relation of homocysteine, folate, and vitamin B12 to bone mineral density of postmenopausal women.
- Dietary intake of folate, but not vitamin B2 or B12, is associated with increased bone mineral density 5 years after the menopause: results from a 10-year follow-up study in early postmenopausal women.