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Ferronyl Iron

product on market Tablet or Pill Douglas Laboratories Safety: 97/100
97/100

This product looks safe

  • Folate: 167mg is 167.0× the Tolerable Upper Intake Level (1.0mg)
  • 67% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The profile includes B vitamins and antioxidants, which are supported by strong evidence for maintaining cellular energy metabolism and oxidative balance. Vitamin C specifically aids in the absorption of iron. Overall, these ingredients have a well-established safety profile for general nutritional support.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Folate: 167mg is 167.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Ferronyl Iron
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
200 mg (222% DV)
20.1 mg (134% DV)
1.3× RDA — within safe limits 179 studies (A:3, B:90)
6 mg (500% DV)
5.0× RDA — above typical dose 76 studies (A:0, B:33)
8 mg (615% DV)
6.2× RDA — above typical dose 13 studies (A:0, B:1)
30 mg (188% DV)
2.1× RDA — within safe limits 196 studies (A:5, B:63)
4 mg (235% DV)
3.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
167 mcg DFE (42% DV)
Exceeds UL by 167.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
50 mcg (2083% DV)
20.8× RDA — above typical dose 139 studies (A:1, B:44)
25 mg (500% DV)
5.0× RDA — above typical dose 2 studies — no high-quality reviews
12 mg (2% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Iron
54 mg (300% DV)
Glycine
200 mg

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Stearic Acid Vegetable Stearate Coating Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: As a dietary supplement, adults take 2 tablets daily with food or as directed by your 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 reach of children. In case of accidental overdose, call a doctor or Poison Control Center immediately.

Warning: If you are pregnant or nursing, or if you are taking prescription medications, consult your health professional before using this supplement.

Use only if safety seal is intact.

Formulation Notes

Gluten-free, Non-GMO

Bioavailable Iron with Cofactors

Healthy iron status

Additional Information

Store in a cool, dry place.

Scan to learn about our manufacturing excellence Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.

Metadata

Product Details

UPC / SKU3 10539 01732 6
DSLD Entry Date2020-08-23
Product TypeOther Combinations
FormTablet or Pill
BrandDouglas Laboratories
DSLD ID232593
Data Updated2026-04-11
Research

Research Evidence

566
Research Sources
56
Avg Quality
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
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
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 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.