Iron Complex

product on market Capsule Advanced Nutrition by Zahler 🟢 Safety: 100/100
Brand: Advanced Nutrition by Zahler
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 40% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
100 Servings
Other Combinations Product Type
40% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
60 mg (100% DV)
80 mcg (1333% DV)
📊 33.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.08mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
Ferrochel
25 mg (139% DV)
L-Histidine
100 mg

Other Ingredients

Magnesium Stearate Rice Flour

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

Adult (18 - 50 Years) Kosher Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: Take 1 capsule 1 time daily with food or as directed by a health care professional.

⚠️ Warnings & Precautions

Warnings: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. In case of accidental overdose, call a doctor or poison control center immediately.

Do not use if either tamper-evident seal is broken or missing.

Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

If pregnant, nursing or on medication, consult with your healthcare practitioner.

🧪 Formulation Notes

Gentle & non-constipating Iron Zahler's Advanced Iron Complex is a highly bioavailable, non-constipating formula using the finest iron available.

Kosher Pareve Under strict supervision of Rabbi SH. Stern & the orthodox union

Gluten free Soy free Dairy free

Advanced Iron complex Gentle & non-constipating iron formula

Additional Information

You may need additional supplements to support a healthy diet; consult your nutritionist for a formula that is right for you, or call us toll free at 877-ASKZAHLER (877-275-9245)

OU (Kosher) This product was manufactured in a GMP certified Facility

Store tightly closed in a cool, dry place.

Manufactured in the USA

General health

Product Details

UPC / SKU 8 48998 08078 5
DSLD Entry Date 2022-12-13
Product Type Other Combinations
Form Capsule
Brand Advanced Nutrition by Zahler
DSLD ID 278513
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 →

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