🟢 90/100

This product looks safe

  • Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 400mg is 400.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Iron
25 mg (139% DV)
Vitamin C
15 mg (17% DV)
50 mcg (2083% DV)
📊 20.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.05mg
400 mcg DFE (100% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 400.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 400mg UL 1.0mg

Other Ingredients

Cellulose Water Rice Bran

Label Claims — Verification

Nutrient
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 (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Everyday Suggested usage: As a dietary supplement, adults take 1 capsule daily with a meal.

🧪 Formulation Notes

No fake stuff. Free from artificial flavors, sweeteners, gluten & soy.

Vegan formula

Baseline Iron+ with blood boosting B Vitamins Why Iron? Iron is required for the production of proteins in blood and muscle responsible for delivering oxygen throughout the body. Vitamin B12 and folate support healthy red blood cell production and iron's role in the fortification of blood. What can you expect from Gnarly Iron+? Iron Bisglycinate + Vitamin C: Highly bioavailable form of iron with Vitamin C to maximize absorption Methylated forms of B12 and folate: Naturally occurring and more bioavailable.

Clean Vegan formula: Vegetarian capsules and rice bran, that's it.

Product Details

UPC / SKU 8 56285 00490 1
DSLD Entry Date 2025-03-25
Product Type Other Combinations
Form Capsule
DSLD ID 327074
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
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
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
A Serum or plasma ferritin concentration as an index of iron deficiency and overload
Meta Analysis The Cochrane database of systematic reviews 2021
A Non-invasive diagnostic tests for Helicobacter pylori infection
Meta Analysis The Cochrane database of systematic reviews 2018
A Hypoxia-inducible factor stabilisers for the anaemia of chronic kidney disease
Meta Analysis The Cochrane database of systematic reviews 2022
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
A Fortification of condiments and seasonings with iron for preventing anaemia and improving health
Meta Analysis The Cochrane database of systematic reviews 2023
A Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy: US Preventive Services Task Force Recommendation Statement.
Guideline JAMA 2024
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
View all evidence for Iron →

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