8 Best Iron Supplements of 2022

Best subscription-based iron supplements

Care/of Iron

Type: ferrous bisglycinate chelate
Dosage: 1 capsule per day

Care/of is a subscription vitamin service that allows you to take a quiz to personalize the vitamins and supplements you receive.

One of the supplements the brand offers is an iron supplement.

The supplement contains 18 mg of iron as ferrous bisglycinate chelate, which is less likely to cause GI symptoms such as constipation than other iron forms like ferrous sulfate.

The supplement is also vegan, gluten-free, non-GMO, and formulated with vitamin C for easier absorption.

Pros

less likely to cause GI side effects
vegan
gluten-free
non-GMO
contains vitamin C

Cons

not third-party tested or certified

Persona Iron with Vitamin C

Type: iron Ferronyl
Dosage: 1 capsule per day

Persona is another personalized subscription service that asks users to take a quiz and sends out vitamins and supplements that cater to their individual needs.

Persona offers an iron supplement that’s formulated to be absorbed easily and gentle on the stomach.

It contains 18 mg of iron as Ferronyl and includes vitamin C for absorption.

While the vitamin is free of gluten and major allergens, it’s produced in a facility where cross contamination may occur. Therefore, it’s not ideal for those with severe food allergies or sensitivities.