$20.49 $0.68 per serving
Product analysis
One 'n' Only Prenatal combines vitamins and minerals that support normal metabolism and blood formation when dietary intake falls short. Its blends do not fully identify individual components, making the complete formula harder to assess.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality58
Several nutrient forms are clearly identified, but quality remains uncertain for others. Unknown source proportions and unidentified blend components prevent a precise judgment of the full formula.
Ingredient Transparency74
The listed ingredient amounts and most nutrient forms are disclosed. Missing forms, unnamed blend components and undisclosed source proportions leave important details unclear.
Value For Money38
Value varies across the many nutrients, with several contributions relatively expensive at the full serving cost. Vitamin K, riboflavin and some minerals offer more moderate value, while much of the formula remains uncertain.
Customer Satisfaction78
Customer ratings are very positive. Several hundred ratings provide a useful range of customer opinions.
Product Focus5
Filling nutrient gaps is the clearest purpose of the broad formula. The available adult findings do not establish pregnancy-specific energy benefits.
- Format
Tablet - Container
- 30 Tablet(s)
- Per serving
- $0.68
- Customer rating
- 4.8 · 359 ratings
Goals
Impact
Highest effect
Folate · 600 mcgVitamin B12 · 48 mcgVitamin D · 20 mcgMagnesium · 10 mgVitamin K · 70 mcgSelenium · 70 mcgZinc · 11.3 mgVitamin C · 100 mg
B vitamins support energy metabolism, and folate with B12 contributes to blood formation and one-carbon metabolism. Vitamin C and zinc provide antioxidant and immune-related nutritional support, while vitamins D and K relate to bone and mineral functions. These contributions help fill dietary gaps; the larger B-vitamin amounts do not establish extra benefit once intake is adequate.
How this product is rated for Everyday Health
Ingredient fit79
The nutrient mixture is relatively focused, with flavonoids reducing focus.
Goal fit
The nutrient mixture is relatively focused, with flavonoids reducing focus.
Dose adequacy
Known contributing nutrient amounts cover much of the saved comparison.
Pathways100
Energy metabolism is the strongest saved route. Energy metabolism, blood formation, bone and mineral functions, and antioxidant and immune defence meet the saved coverage threshold.
Depth
Energy metabolism reaches full saved coverage.
Breadth
Energy metabolism, blood formation, bone and mineral functions, and antioxidant and immune defence meet the saved coverage threshold.
Evidence82
Folate leads the saved evidence comparison. The relevant support concerns nutritional availability when intake is low, rather than proven extra benefit above adequacy.
Evidence strength
Folate leads the comparison; this does not establish disease prevention or a benefit probability.
Studied preparation
All ingredients meeting the saved amount threshold also meet its studied-preparation criterion; no superior nutrient form is established.
Formulation logic100
All contributing ingredients meet the saved minimum amount criterion, without missing partners or matched configured conflicts.
Partner coverage
No contributing ingredient lacks a required partner.
Conflicts
No configured ingredient conflict was matched.
Effective doses
All contributing ingredients meet the saved amount threshold; it does not establish an individual requirement or clinical benefit.
Impact
Highest effect
Magnesium · 10 mgVitamin C · 100 mgZinc · 11.3 mgVitamin A · 3600 mcgVitamin D · 20 mcgSelenium · 70 mcg
Vitamin A supports protective barriers, while zinc and vitamin D contribute to normal immune-cell function. Selenium supports normal immune function; extra benefit is not established when intake is already adequate. Copper, folate and vitamins B6 and B12 can help restore immune-cell function when intake is low. These nutritional roles do not establish prevention of respiratory infections.
How this product is rated for Immunity
Ingredient fit64
The formula contains several nutrients related to immune function, with uneven amounts and a broader nutritional focus.
Goal fit
Several nutrients relate to normal immune function, within a formula also serving many other nutritional purposes.
Dose adequacy
The nutrient amounts contribute unevenly, and low or unresolved amounts limit the contribution attributed to the serving.
Pathways100
The strongest finding is barrier and antimicrobial defense. The findings extend across protective barriers, immune regulation and oxidative balance.
Depth
The strongest finding concerns barrier and antimicrobial defense, based on the relevant nutrients and their amounts.
Breadth
The findings extend across protective barriers, immune regulation and oxidative balance.
Evidence100
The strongest support concerns established nutrient roles in normal immune function. Recognized preparations do not establish additional protection against infections.
Evidence strength
The strongest relevant support concerns normal nutrient function, rather than prevention of infection.
Studied preparation
The saved findings recognize the qualifying nutrient preparations; this does not establish superiority over other forms.
Formulation logic100
The relevant nutrients do not require an additional partner for their recognized roles. No configured conflict was found.
Partner coverage
The relevant nutrients can contribute without a required additional partner; this does not establish synergy.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
The qualifying ingredients meet the saved minimum amount criterion; this is not a proven clinical effective dose.
Impact
High effect
Biotin · 300 mcgNiacin · 30 mgVitamin B12 · 48 mcgRiboflavin · 12 mgThiamin · 10.5 mgVitamin B5 · 15 mgVitamin B6 · 15.5 mgVitamin D · 20 mcgZinc · 11.3 mgMagnesium · 10 mg
B vitamins help turn food into usable energy, while iodine and selenium support normal thyroid hormone function. Iron can help restore heat production when iron-deficiency anaemia has impaired it. These roles concern normal function and correcting inadequate status; extra nutrients do not establish a faster metabolic rate when intake is adequate.
How this product is rated for Metabolism Support
Ingredient fit66
The B vitamins provides the main connection to the goal. The supplied roles do not establish a routine rise in energy expenditure.
Goal fit
The B vitamins relate mainly to normal metabolic function; the formula also serves broader nutritional purposes.
Dose adequacy
Declared amounts provide partial coverage of the saved comparisons; meeting them does not demonstrate faster energy expenditure.
Pathways5
The limited connection concerns insulin-related metabolic processes, which do not by themselves demonstrate higher energy expenditure.
Depth
The limited connection concerns insulin-related metabolic processes, which do not by themselves demonstrate higher energy expenditure.
Breadth
No pathway reached the saved breadth threshold.
Evidence100
The B vitamins received evidence and preparation recognition in the saved findings. Physiological roles and metabolic markers should not be read as proof of increased energy expenditure.
Evidence strength
Vitamin B1 (Thiamin) leads the saved evidence comparison, but its supported role and population limits still govern expected benefits.
Studied preparation
Included preparations matched the saved comparison; this does not establish that the finished formula increases metabolic rate.
Formulation logic100
The included ingredients met the saved amount threshold and had no missing required partner or identified configured conflict.
Partner coverage
No required partner was missing for the included ingredients; this does not establish an added benefit from combining them.
Conflicts
No configured ingredient conflict was identified in the supplied facts.
Effective doses
All included ingredients reached the saved minimum amount threshold; that threshold is a comparison rule, not proof of clinical effectiveness.
Impact
High effect
Biotin · 300 mcgVitamin D · 20 mcgZinc · 11.3 mgIron · 20 mgVitamin C · 100 mg
Iron and zinc can help diffuse shedding when their respective deficiencies are present. Copper contributes to normal pigmentation and connective tissue, while folate supports cell division; these functions do not establish extra growth with adequate nutrition. Biotin and vitamin C are present but received no contribution at their stated serving amounts. Vitamin D has no resolved serving amount, and the alpha-tocopherol vitamin E form does not inherit the limited tocotrienol hair-count findings.
How this product is rated for Hair Health
Ingredient fit61
The formula receives recognition for relevant ingredients, with uneven or partial recognition of serving amounts.
Goal fit
Relevant nutrients sit within a broader formula, so only part of the ingredient content contributes to this hair comparison.
Dose adequacy
The declared serving amounts receive partial recognition overall; this comparison is not a proven hair-treatment dose.
Pathways44
Antioxidant-related support is the strongest recorded contribution; normal nutrient functions do not prove additional hair growth.
Depth
Antioxidant-related support is the strongest recorded contribution; normal nutrient functions do not prove additional hair growth.
Breadth
Antioxidant-related support reaches the coverage threshold, while the other evaluated pathways do not.
Evidence97
Zinc provides the strongest recognized ingredient evidence here, with hair benefit tied to correcting deficiency.
Evidence strength
Zinc provides the strongest recognized ingredient evidence here, with hair benefit tied to correcting deficiency.
Studied preparation
Most evaluated preparations are recognized, but iodine lacks a matched studied preparation for this finding.
Formulation logic97
The recognized ingredients have no missing required partners or matched configured conflicts. Amount recognition does not establish clinical effectiveness.
Partner coverage
No required partner is missing for the ingredients receiving a contribution; this does not establish added benefit from combining them.
Conflicts
No configured ingredient conflict was matched in the supplied facts.
Effective doses
Vitamin D does not clear the minimum amount check because its serving amount is unresolved; the other retained ingredients clear it.
Impact
High effect
Vitamin K · 70 mcgMagnesium · 10 mgVitamin D · 20 mcgCopper · 1 mgManganese · 1.5 mgZinc · 11.3 mgVitamin C · 100 mg
Vitamin D supports calcium absorption and deficiency-related mineralization; larger amounts do not establish extra fracture protection in adults with adequate status. MK-7 supports bone-protein activation, with mixed bone-density findings in postmenopausal women and no established general fracture prevention. Vitamin C and copper support normal collagen formation; correcting low intake is distinct from extra bone benefit when intake is adequate.
How this product is rated for Bone Health
Ingredient fit58
Relevant ingredients sit within a broader formula, so only part of the product is specifically connected to bone health. Amounts provide only partial support against the saved references; small or unresolved amounts limit what can be attributed to the formula.
Goal fit
Relevant ingredients sit within a broader formula, so only part of the product is specifically connected to bone health.
Dose adequacy
Amounts provide only partial support against the saved references; small or unresolved amounts limit what can be attributed to the formula.
Pathways80
The main recorded connection is collagen matrix formation. Coverage is concentrated in a limited set of bone-related processes, leaving other aspects without substantial support.
Depth
The strongest recorded connection concerns collagen matrix formation, with substantial coverage from the included ingredients.
Breadth
Coverage is concentrated in a limited set of bone-related processes, leaving other aspects without substantial support.
Evidence98
Vitamin K provides the strongest recorded evidence. The qualifying preparations match the supplied evidence.
Evidence strength
Vitamin K provides the strongest recorded ingredient evidence at a qualifying amount; its population and outcome limitations still apply.
Studied preparation
The qualifying preparations match those recognized in the supplied evidence; this does not show that the finished product was tested.
Formulation logic97
A supporting partner is missing for Vitamin D. Shared rubric rule, limiting the combination’s support. No listed formulation conflict was matched in the supplied findings. This is limited to the specified checks.
Partner coverage
A supporting partner is missing for Vitamin D. Shared rubric rule, limiting the combination’s support.
Conflicts
No listed formulation conflict was matched in the supplied findings. This is limited to the specified checks.
Effective doses
All ingredients included in this finding meet its minimum amount threshold; the threshold is not proof of clinical effectiveness.
Impact
Moderate effect
Iodine · 150 mcgVitamin D · 20 mcgVitamin B5 · 15 mgMagnesium · 10 mgRiboflavin · 12 mgThiamin · 10.5 mgVitamin B12 · 48 mcgIron · 20 mgPotassium · 10 mg
B vitamins support normal energy metabolism, while folate and iron contribute to normal blood-related processes. The 20 mg iron declaration may help cover intake needs, but an energy benefit depends on nutritional status. The supplied adult assessment does not establish pregnancy-specific fatigue benefits.
How this product is rated for Energy
Ingredient fit63
Energy-related nutrients form a substantial part of the assessed formula alongside other uses. The assessed amounts provide partial alignment with the saved exposure comparisons.
Goal fit
Energy-related nutrients form a substantial part of the assessed formula alongside other uses.
Dose adequacy
The assessed amounts provide partial alignment with the saved exposure comparisons.
Pathways0
The saved findings identify no coverage of the specific energy mechanisms assessed; the nutritional roles remain relevant. None of the assessed mechanisms reaches the saved coverage threshold.
Depth
The saved findings identify no coverage of the specific energy mechanisms assessed; the nutritional roles remain relevant.
Breadth
None of the assessed mechanisms reaches the saved coverage threshold.
Evidence97
Iron provides the strongest saved evidence connection at the assessed amounts, without implying an energy benefit for every user. The preparation comparison is limited by Iodine, which is not matched to the relevant studied preparation.
Evidence strength
Iron provides the strongest saved evidence connection at the assessed amounts, without implying an energy benefit for every user.
Studied preparation
The preparation comparison is limited by Iodine, which is not matched to the relevant studied preparation.
Formulation logic100
The assessed ingredients can stand alone or have the required partner present. No configured ingredient conflicts were identified in the supplied findings. 10 of 10 assessed ingredients meet the saved minimum exposure comparison, which does not guarantee an effect.
Partner coverage
The assessed ingredients can stand alone or have the required partner present.
Conflicts
No configured ingredient conflicts were identified in the supplied findings.
Effective doses
10 of 10 assessed ingredients meet the saved minimum exposure comparison, which does not guarantee an effect.
Vitamin B5 Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin A (Beta-Carotene) | 3600 mcg | |
Vitamin C (Ascorbic Acid) | 100 mg | |
Vitamin D3 | 20 mcg | |
Vitamin E (D-Alpha-Tocopheryl Succinate) | 83 mg | |
Vitamin K2 (Menaquinone-7) | 70 mcg | |
Thiamine (Thiamine Mononitrate) | 10.5 mg | |
Riboflavin (Riboflavin 5-Phosphate) | 12 mg | |
Niacin (Niacinamide) | 30 mg | |
Vitamin B6 (Pyridoxine Hydrochloride, Pyridoxyl-5-Phosphate) | 15.5 mg | |
Folate (L-5-Methyltetrahydrofolate) | 600 mcg | |
Vitamin B12 (Methylcobalamin) | 48 mcg | |
Biotin (D-Biotin) | 300 mcg | |
Pantothenic Acid (D-Calcium Pantothenate, Pantethine) | 15 mg | |
Iron (Iron Bis-Glycinate) | 20 mg | |
Iodine (North Atlantic Kelp) | 150 mcg | |
Magnesium (Magnesium Citrate, Magnesium Oxide) | 10 mg | |
Zinc (Zinc Lactate) | 11.3 mg | |
Selenium (Selenium L-Methyl Selenocysteine) | 70 mcg | |
Copper (Copper Sebacate) | 1 mg | |
Manganese (Manganese Citrate) | 1.5 mg | |
Chromium (Chromium Polynicotinate) | 120 mcg | |
Molybdenum (Molybdenum Glycinate) | 75 mcg | |
Potassium (Potassium Citrate) | 10 mg | |
Superfood Complex | 545 mg | |
Herbal Extracts | 200 mg | |
Co-Nutrients | 65 mg | |
Fruit extracts | 40 mg | |
Bioflavonoids | 30 mg | |
Digestive Aids/Enzymes | 17 mg | |
Minerals | 10.5 mg |
Iodine (North Atlantic Kelp) · 150 mcg OverallScore74
Each serving provides 150 mcg iodine, but the saved facts do not identify its chemical form. The evaluation records a marine source with a qualifying sourcing marker.
How this ingredient is rated
Active Ingredient Quality & Bioavailability61
The iodine chemical form is unknown; a marine origin does not identify the chemical form. A qualifying marine sourcing marker is recorded.
Iodine Form & Bioavailability
The iodine chemical form is unknown; a marine origin does not identify the chemical form.
Marine Source Purity & Sourcing
The evaluation records a qualifying marine sourcing marker; its specific details are not in the saved facts.
Dose, Safety & Label Transparency100
The saved facts specify 150 mcg iodine per serving, and the amount falls within the evaluation’s adult safety benchmark.
Dosage Efficacy for Daily Support
The evaluation considers 150 mcg iodine per serving consistent with general daily support.
Dosage Safety & Upper Limits
The 150 mcg serving amount does not exceed the evaluation’s adult upper-limit benchmark; total intake is not assessed.
Elemental Iodine Transparency
The saved facts give an elemental iodine amount of 150 mcg per serving.
Value50
The whole-product serving costs about $0.68.
Price Per Effective Serving
The whole-product serving costs about $0.68.
Each serving contains 15.5 mg of vitamin B6, exceeding the European adult daily upper limit on its own. It comes from pyridoxine hydrochloride and another source that is not identified in the saved facts, with the proportions of each form unknown.
How this ingredient is rated
Ingredient Form & Label Quality44
Pyridoxine hydrochloride is identified, but another source and the proportions are unknown. The evaluation identifies none of the flagged colors, titanium dioxide, hydrogenated oils or talc; other additives may still be present.
Vitamin B6 Form Identification
Pyridoxine hydrochloride is identified, but another source and the proportions are unknown.
Clean Label and Excipient Purity
The evaluation identifies none of the flagged colors, titanium dioxide, hydrogenated oils or talc; other additives may still be present.
Dose, Safety & Label Transparency57
The 15.5 mg of B6 in one serving exceeds the European adult daily upper limit before other sources are counted. The B6 amount is given, but one source and the proportions are unknown in the saved facts.
Vitamin B6 Dose & Safety Policy
The 15.5 mg of B6 in one serving exceeds the European adult daily upper limit before other sources are counted.
Label Transparency
The B6 amount is given, but one source and the proportions are unknown in the saved facts.
Value43
The whole-product price works out to about $0.0441 per mg of vitamin B6.
Vitamin B6 Price Efficiency
The whole-product price works out to about $0.0441 per mg of vitamin B6.
Folate (L-5-Methyltetrahydrofolate) · 600 mcg OverallScore84
Each serving provides 600 mcg of folate from L-methylfolate, an active form. The amount is recorded in mcg rather than dietary folate equivalents, so it should not be treated as a DFE amount.
How this ingredient is rated
Active Ingredient Quality & Bioavailability91
L-methylfolate is an active form that bypasses the MTHFR conversion step. The saved facts identify the L form without naming a branded source.
Folate Form Hierarchy
L-methylfolate is an active form that bypasses the MTHFR conversion step.
Patented Sources & Isomeric Purity
The L form is identified, but a branded source is not recorded in the saved facts.
Dose, Safety & Label Transparency100
The serving amount is recorded in mcg rather than DFE.
Folate Dosage by Declared Basis
The recorded amount is 600 mcg folate per serving, on a declared-mcg basis rather than DFE.
Value40
The value comparison uses the price of a whole-product serving.
Price per Bioavailable Serving
The whole-product serving costs about $0.68; the price covers the product rather than folate alone.
Alternative products
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- 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.
- Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
- The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
- Associations of multiple metals with bone mineral density: A population-based study in US adults.
- Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
- Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.