Ferrous Gluconate
A ferrous salt with less elemental iron per dose, which some people find easier on the stomach than sulfate. A reasonable middle-ground option when sulfate is too harsh.
Best for
A gentler salt option
Absorption
Moderate
Tolerability
Often easier to tolerate than sulfate
Typical timing
With vitamin C; away from calcium, coffee, and tea
How to take Ferrous Gluconate
A typical dose of Iron: Only when deficient; commonly 18–65 mg elemental iron. Best timing: With vitamin C; away from calcium, coffee, and tea. The form you choose mainly affects absorption and how easily it sits with your stomach, not the overall dose.
Where to buy Ferrous Gluconate
Choose a third-party-tested brand; the label should name this form explicitly.
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