Form comparison

Iron: Capsule vs Tablet

Is Iron better in capsule or tablet form?

For most people, capsule is the better way to take Iron. Capsule offers standard absorption and high convenience, while tablet trades some of that for cheapest per dose.

Capsule

Most recommended

Gelatin or veggie shell holding powder. Standard release; easy to dose precisely.

Absorption:: standard
Convenience:: high
Shelf life:: long

Absorption: Bisglycinate chelate is better tolerated than ferrous sulfate at similar absorption.

Best for: sensitive stomach

Pros

Precise per-dose amount
Travel-friendly
Neutral taste
Long shelf life

Cons

Slower onset than liquids
Can be hard to swallow for some
Take away from coffee, tea, calcium, and dairy

Tablet

Compressed powder, sometimes coated. Cheapest format per dose.

Absorption:: standard
Convenience:: high
Shelf life:: long

Pros

Cheapest per dose
Long shelf life
Often scored to split

Cons

Binders and coatings vary by brand
Slower disintegration

See all Iron forms

Iron: Capsule vs Tablet

Is Iron better in capsule or tablet form?

Capsule

Tablet

Other Iron comparisons

Your supplements,
finally on a schedule.

Is Iron better in capsule or tablet form?

Capsule

Tablet

Other Iron comparisons

Your supplements,finally on a schedule.

Your supplements,
finally on a schedule.