BioStacks
Natural Factors

Iron Chelate 25 mg

1 Tablet · 90 servings

iHerbAmazon
Track this supplement · Get started free

What it does

A combination of 2 label ingredients.

Iron

Form not confirmedGrade —

Supports hemoglobin production and oxygen transport; extra iron does not automatically improve energy when iron status is adequate.

Calcium

dicalcium phosphateBudget

Supports the maintenance of normal bones and teeth, muscle function and nerve signaling.

Energy
Ask AI about this product

Ingredients (2)

IngredientDoseTarget/referenceForm

Calcium

45 mg

Trace amount — not scored

Other ingredients

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Lab testing

How to take it

On an empty stomach
Keep it away from coffee, tea and dairy
Space it a couple of hours from Calcium, Zinc, Magnesium, Manganese and Green Tea Leaf Extract

On the label

1 tablet per day or as directed by a health professional.

Price check

$8.37

$0.09 / serving

$5$10$20$50

Cheaper than 88% of 138 iron supplements

Similar products

Nature Made

Iron 65 mg

⚡ for Energy

36
Slow Release Iron

21st Century

Slow Release Iron

⚡ for Energy

11
Organic Whole Flaxseed, 13 oz (368 g)

Bob's Red Mill

Organic Whole Flaxseed, 13 oz (368 g)

💧 for Hydration

94
Premium Whole Flaxseed, 13 oz (368 g)

Bob's Red Mill

Premium Whole Flaxseed, 13 oz (368 g)

💧 for Hydration

94
Organic Flax Seeds, Gluten Free, 1 lb (453 g)

Arrowhead Mills

Organic Flax Seeds, Gluten Free, 1 lb (453 g)

💧 for Hydration

93

Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

BioStacks

Know exactly what's in your supplements.

Navigate

  • Home
  • Manifesto
  • App Store
  • Google Play

Resources

  • Contact & Support
  • Pricing
  • Terms of Service
  • Privacy Policy
  • Refund Policy

Explore

  • Health Areas
  • Best Supplements
  • Nutrients
  • All Supplements

Popular Picks

  • Best Magnesium for Sleep
  • Best Collagen for Skin
  • Best Creatine for Muscle
  • Best Vitamin D for Bone Health
  • Best Probiotics for Digestion
  • Best CoQ10 for Heart

Free Tools

  • Interaction Checker
  • Dose Checker
  • Form Comparison

Field Guides

  • Magnesium for sleep
  • Reading labels
  • Interaction checker
  • Dose checker
  • Harmful ingredients
  • Proprietary blends
  • Stack building
  • Scan without barcode
  • All guides →
© 2026 BioStacks. All rights reserved. Not medical advice.