$63.68 $0.70 per serving
Product analysis
One 'n' Only may help fill dietary gaps that affect normal immune function and energy use. Incomplete blend details make its added ingredients harder to compare with a simpler multivitamin.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality62
Several minerals and B vitamins use favorable forms, including folate and zinc. Riboflavin compares less favorably here, while the quality of the kelp-based iodine remains uncertain.
Ingredient Transparency75
Amounts and most individual forms are disclosed. Missing proportions and incomplete blend details make it harder to compare the full mixture.
Value For Money38
Value is mixed, with vitamin B6 more favorable than selenium, chromium and choline. Uncertainty around other nutrients prevents a confident judgment of the complete formula.
Customer Satisfaction77
Customer ratings are strongly positive. The smaller review base gives a more limited picture of customer satisfaction.
Product Focus0
The nutrients support normal immune function and energy use most usefully when intake is low. Multiple blends and a wide range of intended purposes make the formula less focused.
- Format
Tablet - Container
- 90 Tablet(s)
- Per serving
- $0.70
- Also available
One 'n' Only$19.46- Customer rating
- 4.7 · 498 ratings
Goals
Impact
Highest effect
Magnesium · 25 mgVitamin C · 240 mgZinc · 15 mgVitamin A · 6000 mcgVitamin D · 25 mcgSelenium · 100 mcg
Zinc, Selenium, Vitamin D and Vitamin A contribute to normal immune function when intake is low, including vitamin A's role in protective barriers. Folate, Vitamin B6, Vitamin B12 and Copper provide further nutritional support when low intake impairs immune-cell function.
How this product is rated for Immunity
Ingredient fit62
Zinc is a principal relevant ingredient. Declared amounts provide partial contributions, with smaller or unresolved quantities limiting the amount comparison.
Goal fit
Relevant ingredients share the formula with other actives, making its focus on this goal less concentrated.
Dose adequacy
Most relevant amounts make substantial contributions, with some below their supplied comparison endpoints.
Pathways100
The strongest represented area is barrier and antimicrobial defense, with substantial coverage. 3 areas reach substantial coverage, representing several aspects of the goal.
Depth
The strongest represented area is barrier and antimicrobial defense, with substantial coverage.
Breadth
3 areas reach substantial coverage, representing several aspects of the goal.
Evidence100
Zinc anchors the saved findings. Nutritional or regular-use findings support bounded expectations rather than a promise to prevent infection.
Evidence strength
Zinc provides the strongest contribution in the saved findings; this does not establish infection prevention or benefits above adequate nutritional intake.
Studied preparation
The relevant ingredients meet the supplied preparation criteria, without establishing superiority of individual forms.
Formulation logic100
The relevant ingredients have no unmet partner requirement or triggered conflict. Their amounts meet the supplied minimum comparison level.
Partner coverage
The relevant ingredients can contribute independently or have their required partner present; no added combination benefit is established.
Conflicts
None of the evaluated ingredient conflicts was triggered.
Effective doses
The relevant amounts meet the supplied minimum comparison level; this is not a guaranteed clinical response threshold.
Impact
Highest effect
Folate · 400 mcgVitamin B12 · 100 mcgVitamin D · 25 mcgMagnesium · 25 mgVitamin K · 20 mcgSelenium · 100 mcgZinc · 15 mgVitamin C · 240 mg
B vitamins and folate contribute nutrients used in normal energy metabolism and blood formation. Zinc and selenium contribute to normal antioxidant and immune functions, while vitamin D supports mineral metabolism. These contributions are most useful when dietary intake falls short, without establishing extra benefit above adequacy. The small magnesium, vitamin K and calcium amounts did not contribute to the saved findings.
How this product is rated for Everyday Health
Ingredient fit79
Relevant nutrients contribute to the goal, with the extent depending on their amounts and the focus of the formula.
Goal fit
The relevant ingredients contribute to the goal, while additional actives make the formula less focused on these functions.
Dose adequacy
The relevant amounts provide uneven contributions, with some below the saved comparison endpoints or unresolved.
Pathways100
Normal energy metabolism is the strongest represented function; this does not imply increased energy. The saved findings span several distinct nutritional functions, rather than relying on one area alone.
Depth
Normal energy metabolism is the strongest represented function; this does not imply increased energy.
Breadth
The saved findings span several distinct nutritional functions, rather than relying on one area alone.
Evidence82
Vitamin B9 (Folate) leads the saved evidence finding; its role does not establish additional benefit when nutritional intake is adequate.
Evidence strength
Vitamin B9 (Folate) leads the saved evidence finding; its role does not establish additional benefit when nutritional intake is adequate.
Studied preparation
The counted preparations match the saved preparation finding, without establishing superiority of their chemical forms or delivery method.
Formulation logic100
The counted ingredients do not require an unsupported combination benefit, and no listed formulation conflict was triggered.
Partner coverage
The counted ingredients can contribute independently or have their relevant partners; this does not establish an added combination benefit.
Conflicts
No listed formulation conflict was triggered; this finding does not establish safety of the whole product.
Effective doses
The counted ingredients reach the saved minimum amount comparison; this is not a proven clinical benefit threshold.
Impact
High effect
Biotin · 100 mcgNiacin · 25 mgVitamin B12 · 100 mcgRiboflavin · 25.5 mgThiamin · 22.5 mgVitamin B5 · 30 mgVitamin B6 · 30 mgVitamin D · 25 mcgZinc · 15 mgMagnesium · 25 mg
Iodine supports thyroid hormone production when intake is low; extra iodine does not stimulate an already normal thyroid. B vitamins help normal energy-yielding metabolism, but those essential functions do not establish a higher metabolic rate when intake is adequate. Chromium-related glucose findings do not establish increased energy expenditure. Vanadium's presence remains unresolved, while magnesium's small serving amount falls below the saved threshold.
How this product is rated for Metabolism Support
Ingredient fit65
Partial overall amount coverage; magnesium falls below its threshold and vanadium remains unresolved.
Goal fit
Partial overall amount coverage.
Dose adequacy
The credited amounts receive partial overall consideration; the comparison range is not a proven thermogenic dose-response.
Pathways4
Only limited hormone-related coverage appears in the saved findings; normal nutrient functions do not establish thermogenesis.
Depth
The strongest recorded coverage concerns metabolic hormones, but remains small and does not demonstrate a higher metabolic rate.
Breadth
No category reaches the saved breadth threshold.
Evidence100
Thiamin leads the saved evidence finding, although normal carbohydrate metabolism does not establish a metabolism-rate boost.
Evidence strength
Thiamin leads the saved evidence finding, although normal carbohydrate metabolism does not establish a metabolism-rate boost.
Studied preparation
The credited nutrients receive preparation recognition in the saved findings; this does not establish a clinically effective metabolism-boosting preparation.
Formulation logic100
No missing required partner or configured conflict was identified, and every credited ingredient passes the saved minimum-amount threshold.
Partner coverage
The credited ingredients can stand alone or have their required partner; no extra combination benefit is established.
Conflicts
No configured conflict was identified from the supplied ingredients and amounts.
Effective doses
All credited ingredients pass the saved minimum-amount threshold, without proving increased energy expenditure.
Impact
High effect
Zinc · 15 mgVitamin C · 240 mgCopper · 1 mgSelenium · 100 mcgVitamin E · 83 mg
Vitamin C supports collagen formation and wound healing when intake is low. Zinc helps repair skin when zinc intake is inadequate. The B vitamins help prevent skin problems caused by their respective deficiencies; extra amounts do not establish added benefit with adequate nutrition. Copper supports collagen and elastin cross-linking, but added copper has no established cosmetic benefit with adequate intake.
How this product is rated for Skin Health
Ingredient fit56
The relevant ingredients primarily provide nutritional support within a broader formula. Their saved amount findings do not establish extra cosmetic benefit.
Goal fit
Relevant skin ingredients share the formula with ingredients aimed at other needs.
Dose adequacy
The credited amounts only partly meet the saved references; lower or undisclosed amounts limit their contribution.
Pathways71
The strongest saved connection is to uv antioxidant defence. Ingredient roles and limited outcome evidence should not be read as proven cosmetic improvements.
Depth
The main connection is to uv antioxidant defence, with the amount and ingredient limitations carried into the finding.
Breadth
Two targeted pathways reach the saved coverage threshold; hydration and water binding remain unsupported.
Evidence100
Vitamin C leads the saved evidence finding. The supplied scientific context limits claims to the relevant nutritional role or preparation-specific outcomes.
Evidence strength
Vitamin C provides the strongest saved evidence contribution; this does not establish broad cosmetic improvement.
Studied preparation
The credited preparations meet the saved preparation checks, while the supplied evidence still limits transfer to routine skin outcomes.
Formulation logic100
The credited ingredients need no missing partner, and no configured conflicts were identified. Those findings do not establish added benefit from combining ingredients.
Partner coverage
The credited ingredients can contribute without an additional required partner.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All credited ingredients meet the saved minimum amount threshold; that threshold is not a proven effective skin dose.
Impact
Moderate effect
Iodine · 150 mcgVitamin D · 25 mcgVitamin B5 · 30 mgMagnesium · 25 mgRiboflavin · 25.5 mgThiamin · 22.5 mgVitamin B12 · 100 mcgPotassium · 5 mg
B vitamins support the normal conversion of food into usable energy. Folate and B12 also support normal blood formation. Benefits for tiredness are most relevant when intake is low; high amounts do not guarantee extra energy. Vitamin C, magnesium and vitamin D add nutritional support, while iodine supports normal thyroid function.
How this product is rated for Energy
Ingredient fit62
Several nutrients relate to energy metabolism and nutritional adequacy, alongside ingredients with other purposes. Amount coverage varies: some declared nutrients meet their saved references while others provide partial amounts.
Goal fit
Several nutrients relate to energy metabolism and nutritional adequacy, alongside ingredients with other purposes.
Dose adequacy
Amount coverage varies: some declared nutrients meet their saved references while others provide partial amounts.
Pathways0
The saved support concerns nutrient sufficiency, with no substantial direct alertness, muscle-energy or fatigue-resistance coverage.
Depth
The saved support concerns nutrient sufficiency, with no substantial direct alertness, muscle-energy or fatigue-resistance coverage.
Breadth
No direct energy route reaches the saved level for broad coverage.
Evidence94
Evidence is strongest for nutritional needs and selected low-status situations, rather than an extra energy boost for everyone.
Evidence strength
Vitamin D provides the strongest saved evidence among the assessed ingredients, with benefits dependent on the relevant population and nutritional needs.
Studied preparation
Most assessed preparations are recognized in the saved review, while iodine is not identified as studied.
Formulation logic100
No missing required ingredient partner or configured conflict was found among the assessed ingredients.
Partner coverage
The assessed ingredients work independently or have their required partner.
Conflicts
No configured ingredient conflict was found in the supplied facts.
Effective doses
All ingredients counted for this finding meet the saved minimum amount.
Vitamin B5 Not classified
No linked studies yet.
Impact
High effect
Vitamin K · 20 mcgMagnesium · 25 mgCalcium · 32 mgVitamin D · 25 mcgCopper · 1 mgManganese · 2.5 mgZinc · 15 mgVitamin C · 240 mg
Vitamin D supports calcium absorption and deficiency-related mineralization, without established routine fracture prevention in adequately nourished adults. The small calcium amount falls below the saved amount threshold.
How this product is rated for Bone Health
Ingredient fit62
The bone-related nutrients sit within a broader formula with other actives.
Goal fit
The bone-related nutrients sit within a broader formula with other actives.
Dose adequacy
The disclosed amounts only partly meet the saved comparison ranges; small or unresolved amounts limit this finding.
Pathways80
The strongest recorded connection concerns collagen matrix formation, without proving improved bone density or fewer fractures.
Depth
The strongest recorded connection concerns collagen matrix formation, without proving improved bone density or fewer fractures.
Breadth
Only part of the selected bone mechanisms reaches the saved coverage threshold.
Evidence98
Zinc leads the saved evidence finding; its nutritional or preparation-specific limits still apply.
Evidence strength
Zinc leads the saved evidence finding; its nutritional or preparation-specific limits still apply.
Studied preparation
The saved findings recognize the evaluated preparations; this does not imply superiority over other nutrient forms.
Formulation logic97
Vitamin D lacks its required calcium partner in the saved findings, limiting support for the combination.
Partner coverage
Vitamin D lacks its required calcium partner in the saved findings, limiting support for the combination.
Conflicts
No matched ingredient conflict was recorded in the supplied findings.
Effective doses
All counted ingredients meet the saved minimum amount threshold; this is not a proven fracture-prevention dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin A (Beta-Carotene) | 6000 mcg | |
Vitamin C (Calcium Ascorbate) | 240 mg | |
Vitamin D3 | 25 mcg | |
Vitamin E (D-Alpha-Tocopheryl Succinate) | 83 mg | |
Vitamin K2 (Menaquinone-7) | 20 mcg | |
Thiamine (Thiamine Mononitrate) | 22.5 mg | |
Riboflavin | 25.5 mg | |
Niacin (Niacinamide) | 25 mg | |
Vitamin B6 (Pyridoxine Hydrochloride) | 30 mg | |
Folate (L-5-Methyltetrahydrofolate) | 400 mcg | |
Vitamin B12 (Methylcobalamin) | 100 mcg | |
Biotin (D-Biotin) | 100 mcg | |
Pantothenic Acid (D-Calcium Pantothenate) | 30 mg | |
Choline (Choline Bitartrate) | 50 mg | |
Calcium (Calcium Ascorbate, Calcium Pantothenate) | 32 mg | |
Iodine (North Atlantic Kelp) | 150 mcg | |
Magnesium (Magnesium Citrate, Magnesium Oxide) | 25 mg | |
Zinc (Zinc Lactate) | 15 mg | |
Selenium (Selenium L-Methyl Selenocysteine) | 100 mcg | |
Copper (Copper Sebacate) | 1 mg | |
Manganese (Manganese Citrate) | 2.5 mg | |
Chromium (Chromium Polynicotinate) | 100 mcg | |
Molybdenum (Molybdenum Glycinate) | 30 mcg | |
Potassium (Potassium Citrate) | 5 mg | |
SuperFood Complex | 387.5 mg | |
Herbal Extracts | 220 mg | |
Co-Nutrients | 35 mg | |
Bioflavonoids | 50 mg | |
Minerals | 26 mg | |
Digestive Aids/Enzymes | 10 mg |
Iodine (North Atlantic Kelp) · 150 mcg OverallScore74
A serving provides 150 mcg of iodine from a marine source, but its chemical form is not identified in the saved facts. The whole product costs about $0.71 per serving.
How this ingredient is rated
Active Ingredient Quality & Bioavailability61
The iodine’s chemical form is not identified in the saved facts. A marine source has a sourcing marker, but that claim does not establish purity.
Iodine Form & Bioavailability
The iodine’s chemical form is not identified in the saved facts.
Marine Source Purity & Sourcing
The saved facts indicate a marine source with an organic or geographic sourcing marker; the specific claim is not given and does not establish purity.
Dose, Safety & Label Transparency100
A serving provides 150 mcg of iodine. That amount did not trigger the evaluation’s excess-iodine caution.
Dosage Efficacy for Daily Support
A serving provides 150 mcg of iodine.
Dosage Safety & Upper Limits
The 150 mcg per serving did not trigger the evaluation’s excess-iodine caution.
Elemental Iodine Transparency
The iodine amount is identified as 150 mcg per serving.
Value50
The whole product costs about $0.71 per serving.
Price Per Effective Serving
The whole product costs about $0.71 per serving.
Vitamin B6 (Pyridoxine Hydrochloride) · 30 mg OverallScore76
Each serving contains 30 mg of vitamin B6, exceeding the European adult daily upper limit in one serving. The B6 comes from pyridoxine hydrochloride.
How this ingredient is rated
Ingredient Form & Label Quality100
The B6 source is identified as pyridoxine hydrochloride. The stored additive check recorded no flagged dyes, titanium dioxide or talc.
Vitamin B6 Form Identification
The B6 source is identified as pyridoxine hydrochloride.
Clean Label and Excipient Purity
The stored additive check recorded no flagged dyes, titanium dioxide or talc.
Dose, Safety & Label Transparency55
The source is identified, but the 30 mg of B6 per serving exceeds the European adult daily upper limit in one serving.
Vitamin B6 Dose & Safety Policy
The 30 mg of B6 per serving exceeds the European adult daily upper limit in one serving.
Label Transparency
The B6 source is disclosed as pyridoxine hydrochloride.
Value67
The whole-product price works out to about $0.024 per mg of B6, a moderate cost in the comparison.
Vitamin B6 Price Efficiency
The whole-product price works out to about $0.024 per mg of B6, a moderate cost in the comparison.
Folate (L-5-Methyltetrahydrofolate) · 400 mcg OverallScore84
Folate comes as L-methylfolate, an active form of folate, with 400 mcg per serving. The whole product costs about $0.71 per serving.
How this ingredient is rated
Active Ingredient Quality & Bioavailability91
The identified source is L-methylfolate, an active form of folate.
Folate Form Hierarchy
The folate is identified as L-methylfolate.
Patented Sources & Isomeric Purity
The saved facts identify the L form of methylfolate; no branded-source claim is recorded.
Dose, Safety & Label Transparency100
Each serving provides 400 mcg of folate.
Folate Dosage by Declared Basis
Each serving provides 400 mcg of folate.
Value40
The whole product costs about $0.71 per serving.
Price per Bioavailable Serving
The whole product costs about $0.71 per serving.
Alternative products
Report alternatives
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- 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.
- Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
- Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
- Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
- An update on magnesium and bone health.
- Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.