IronSense by Natural Factors WS WomenSense — Ingredients, Evidence & Safety

Product Label

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Safety Alerts

⚠️ Folate: 680mg is 680.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Vegetarian Capsule(s) Serving Size

Multi-Vitamin and Mineral (MVM) Product Type

67% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C

500 mg (556% DV)

Vitamin B6

12.5 mg (735% DV)

📊 9.6× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 12.5mg UL 100mg

Folate

680 mcg DFE (170% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 680.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 680mg UL 1.0mg

Vitamin B12

500 mcg (20833% DV)

📊 208.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.5mg

Iron

20 mg (111% DV)

Copper

0.45 mg (50% DV)

✅ Within RDA (0.5× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 0.45mg UL 10mg

Other Ingredients

Vegetarian Capsule Microcrystalline Cellulose Magnesium Stearate

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (71% of products) Nutrient (61% of products) Approved Health (1% of products)

Target Groups

Vegan Vegetarian Adult Female (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested usage: 1 capsule 1-2 times per day or as directed by a health professional.

⚠️ Warnings & Precautions

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.

Iron deficiency anemia is uncommon in the US. Take only as advised by your health professional.

Sealed for your protection. Do not use if seal is broken.

🧪 Formulation Notes

WomenSense is a line of products dedicated to helping women reach their full health potential.

Iron glycinate also known as iron bisglycinate is the preferred form of iron and minimizes gastrointestinal disturbances.

Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.

Suitable for Vegetarians/Vegans.

Iron Glycinate 20 mg

Non GMO Gluten free

Additional Information

Isura Non-GMO Mass Spec Documentation Lab tested

IronSense is designed to help prevent iron deficiency and provide support for symptoms associated with iron deficiency anemia, such as tiredness and fatigue.

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

For freshness, store in a cool, dry place.

R0

Helps to form red blood cells and reduces fatigue caused by iron deficiency anemia

Product of Canada

Purity & potency guaranteed Recyclable container and label.

Product Details

UPC / SKU 0 68958 04988 5

DSLD Entry Date 2018-11-21

Product Type Multi-Vitamin and Mineral (MVM)

Form Capsule

Brand Natural Factors WS WomenSense

DSLD ID 183842

Data Updated 2026-04-11

Research Evidence

566 Research Sources

56 Avg Quality Score

240 Meta Analysis

100 Clinical Trial

74 Systematic Review

71 Guideline

58 Rct

11 Cochrane Review

4 Regulatory Source

2 Other

2 Narrative Review

1 Observational

1 Openfda Safety

A Systematic review and meta-analysis of intravenous iron therapy for patients with heart failure and iron deficiency

Meta Analysis Nature medicine 2025

PubMed DOI

A Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and adult menstruating women

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI Cochrane

A Oral or parenteral iron supplementation to reduce deferral, iron deficiency and/or anaemia in blood donors

Meta Analysis The Cochrane database of systematic reviews 2014

PubMed DOI Cochrane

A Serum or plasma ferritin concentration as an index of iron deficiency and overload

Meta Analysis The Cochrane database of systematic reviews 2021

PubMed DOI

A Non-invasive diagnostic tests for Helicobacter pylori infection

Meta Analysis The Cochrane database of systematic reviews 2018

PubMed DOI

A Hypoxia-inducible factor stabilisers for the anaemia of chronic kidney disease

Meta Analysis The Cochrane database of systematic reviews 2022

PubMed DOI

A Wheat flour fortification with iron and other micronutrients for reducing anaemia and improving iron status in populations

Meta Analysis The Cochrane database of systematic reviews 2021

PubMed DOI

A Fortification of condiments and seasonings with iron for preventing anaemia and improving health

Meta Analysis The Cochrane database of systematic reviews 2023

PubMed DOI

A Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy: US Preventive Services Task Force Recommendation Statement.

Guideline JAMA 2024

PubMed DOI

A Psychiatric and cognitive outcomes of iron supplementation in non-anemic children, adolescents, and menstruating adults: A meta-analysis and systematic review

Meta Analysis Neuroscience and biobehavioral reviews 2025

PubMed DOI

View all evidence for Iron →