Iron 65 mg Tablets (325 mg Ferrous Sulfate)
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Ferrous Sulfate, Cellulose Gel, Dibasic Calcium Phosphate, Croscarmellose Sodium, Hydroxypropyl Methylcellulose, Titanium Dioxide, Magnesium Stearate, Polyethylene Glycol, Polysorbate 80, Triethyl Citrate
Recommended Use
Suggested use: Adults, for iron deficiency, take one tablet daily. Taking with a meal may minimize the possibility of stomach upset.
Warnings
Caution: Iron supplements may interact with certain medications. If you are taking prescription medications, or are pregnant or nursing, consult your healthcare provider before taking this product. Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep the product out of reach of children. In case of accidental overdose, call a doct
Frequently Asked Questions
What is Nature Made Iron 65 mg Tablets (325 mg Ferrous Sulfate)'s Formulate score?
Nature Made Iron 65 mg Tablets (325 mg Ferrous Sulfate) scores 74 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Nature Made Iron 65 mg Tablets (325 mg Ferrous Sulfate) worth it?
Nature Made Iron 65 mg Tablets (325 mg Ferrous Sulfate) scores 74/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Nature Made Iron 65 mg Tablets (325 mg Ferrous Sulfate)?
Each serving contains Iron (65 mg). Serving size: 1 Tablet(s). 180 servings per container.
How do I take iron 65 mg tablets (325 mg ferrous sulfate)?
Suggested use: Adults, for iron deficiency, take one tablet daily. Taking with a meal may minimize the possibility of stomach upset.
Who makes Iron 65 mg Tablets (325 mg Ferrous Sulfate)?
Iron 65 mg Tablets (325 mg Ferrous Sulfate) is made by Nature Made. See Formulate's full grade and product lineup for Nature Made on its brand page.
Is Nature Made Iron 65 mg Tablets (325 mg Ferrous Sulfate) third-party tested?
Nature Made lists the following certifications and testing for this product: Gluten-Free.
Related Supplements
Track iron 65 mg tablets (325 mg ferrous sulfate) in your stack
Build a personalized supplement stack free in your browser — no install. Flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Is Iron 65 mg Tablets (325 mg Ferrous Sulfate) right for your goals?
Two questions, then every ingredient graded against what you're actually trying to do — plus what it costs per effective dose.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.