EVIDENCE-BASED SUPPLEMENT SCORING
4.9/10
WEAK

Confidence: 44%

Natural Factors Women’s 50+ Once A Day Multivitamin & Mineral 60 Vegetarian Capsules

Natural Factors Women’s 50+ Once A Day Multivitamin & Mineral 60 Vegetarian Capsules

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Decision summary

SKIPWEAK

Not a strong option overall. The product is materially held back by weaker formulation coherence.

Best for

Only budget-focused buyers with flexible standards.

Consider another option if

You care a lot about label clarity and want fewer unknowns.

Score breakdown

Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.

Dosage quality

5.9/10

Acceptable dosing, but not standout

Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).

Multi-ingredient formulation analysis

Dose 5.9/10 · Bioavailability 0.2/10 · Coherence 0/10

Ingredient form quality suggests suboptimal ingredient forms.

Some ingredient forms are not declared on the label.

This is a multi-ingredient product. The score reflects formulation quality, not efficacy for a specific health goal.

Score summary

Vitamin-a: dose within clinically studied range (evidence A). The main limitation is that vitamin-a: chemical form not specified on label.

Strengths

Vitamin-a: dose within clinically studied range (evidence A)
Vitamin-k2: dose within clinically studied range (evidence B)
Vitamin-b5: dose within clinically studied range (evidence B)

Weaknesses

Vitamin-a: chemical form not specified on label
Vitamin-k2: chemical form not specified on label
Formula coherence is weak: diluted, decorative or overly complex

Final verdict

Not a strong option overall. The product is materially held back by weaker formulation coherence.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

ℹ Dose is within established clinical ranges, but lacks direct studies

A clear drag on the formula: Dose is strong and within effective ranges. The label does not specify the form, so absorption quality cannot be verified.

Clinical dosing guidance

Based on established dosing ranges used in clinical practice.

Min effective: 700 mcgOptimal: 900 mcgUpper: 3000 mcgGrade: A

✔ Clinically effective dose with strong supporting evidence

A clear drag on the formula: Dose is strong and within effective ranges. The label does not specify the form, so absorption quality cannot be verified.

Scientific evidence

Meta-analysis

Cockayne et al. meta-analysis vitamin K2 and bone mineral density

Archives of Internal Medicine • 2006

PMID: 16801507.0

RCT

Geleijnse et al. Rotterdam study on vitamin K intake and cardiovascular mortality

Journal of Nutrition • 2004

PMID: 15514282.0

ℹ Clinically effective dose, but evidence is limited

Dose is well positioned: Dose is strong and within effective ranges.

Scientific evidence

narrative_review

Hodges et al. review on pantothenic acid physiology and human deficiency implications

Advances in Nutrition • 2020

ℹ Evidence is strong, but dose is below the optimal range

A clear drag on the formula: Dose is below the ranges usually used for stronger effects.

Scientific evidence

Systematic review

Zimmermann et al. review on iodine deficiency and thyroid function in human populations

Endocrine Reviews • 2009

PMID: 19357404.0

Cohort

Bath et al. maternal iodine status and offspring cognitive outcomes (ALSPAC cohort)

Lancet • 2013

PMID: 23683674.0

⚠ Dose is below commonly used clinical ranges

This is a limiting factor: Dose is likely below clinically useful levels. The label does not specify the form, so absorption quality cannot be verified.

Clinical dosing guidance

Based on established dosing ranges used in clinical practice.

Min effective: 1.8 mgOptimal: 2.5 mgUpper: 11 mgGrade: B

ℹ Dose is within established clinical ranges, but lacks direct studies

This is a limiting factor: Dose is below the ranges usually used for stronger effects.

Clinical dosing guidance

Based on established dosing ranges used in clinical practice.

Min effective: 1 mgOptimal: 5 mgUpper: 100 mgGrade: B
Natural Factors Women’s 50+ Once A Day Multivitamin & Mineral 60 Vegetarian Capsules

Natural Factors Women’s 50+ Once A Day Multivitamin & Mineral 60 Vegetarian Capsules

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

i

Vitamin A form is not clearly declared

Exact ingredient form is not disclosed on the label.

Info
i

Vitamin K2 form is not clearly declared

Exact ingredient form is not disclosed on the label.

Info

Formula design looks less coherent than stronger alternatives

The formulation appears less focused than better-built options.

Note

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

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