BioStacks
Natural Factors

Iron Chelate 25 mg

1 Tablet · 90 servings · $0.09/serving

iHerbAmazon

Best for

Energy

Ingredients (2)

Iron

100%

Dose

25 mg

Target

15–45 mg

Form

Standard

Calcium

45 mg

Trace amount — not scored

Other Ingredients (3)

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

How to Take It

Best taken in the morning

Best absorbed on an empty stomach with vitamin C. If it upsets your gut, take it with a light meal instead.

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.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$8.37

$10$20$50

Cheaper than 92% of 160 iron supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and 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. clinical 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.

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