Research-backed mineral with potential health benefits.
Almost certainly. It's the #1 complaint. Increase fiber and water. If it's brutal, ask your doctor about other forms like iron bisglycinate.
Totally normal. It's from unabsorbed iron. Don't panic unless it's tarry and you have pain, which could signal something else.
Bad idea. Coffee and tea block iron absorption by up to 60%. Take it at least an hour apart from your caffeine.
Click through to the studies bar for the evidence base.
See the dosing guide below.
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Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
Yes. It helps prevent nausea. Taking it with a bit of vitamin C, like from an orange, helps your body absorb it better.
No. Get a blood test first. Fatigue has dozens of causes. Blindly supplementing iron is a dangerous game.
It's an iron salt that's high in elemental iron but famous for causing gut issues. Gentler forms like bisglycinate exist but are more expensive.
Most research uses 65.0g daily. Below 18.0g, you're probably wasting money. Above 100.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 45.0g.
Pending comprehensive analysis.
Iron is an element found in the earth's crust. It's in food as 'heme' iron from animal sources (like red meat) and 'non-heme' iron from plants (like beans and spinach).
Ferrous Fumarate interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.