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Our editor will tell you whether vitamin C can promote iron absorption and whether vitamin C should be taken before or after iron supplementation?

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2025.11.04
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Vitamin C and iron are both essential vitamins for human life activities. Can vitamin C promote iron absorption? And do you know whether to take vitamin C before or after taking iron supplements? Here, the editor from Zhengzhou Shanchen Blue Hat Soft Candy Franchise shares some relevant knowledge with you, hoping to be of help.

1. Can vitamin C promote iron absorption

This is feasible. After being absorbed by the human body, iron compounds are oxidized into stable ferric iron, which is not conducive to absorption. However, vitamin C, as a reducing agent with antioxidant properties, can reduce ferric iron to easily absorbable ferrous iron, thereby promoting the absorption of iron. Additionally, vitamin C can form unstable complexes with iron molecules and release iron from other binding compounds, thus facilitating the absorption of non-heme iron and enhancing the body's resistance to diseases.

2. Should vitamin C be taken before or after iron supplementation

They can be taken together at the same time. There are no pharmacological contraindications between vitamin C and iron supplements. In fact, taking a moderate amount of vitamin C while supplementing with iron can promote the reduction of ferric iron, which is more conducive to iron absorption. It is recommended to take them together for better results. However, as both of these medications have some irritation to the gastrointestinal tract, it is advisable to take them between meals or after a meal. Additionally, avoid taking them with milk, as the calcium ions in milk can form insoluble compounds with iron ions, reducing the absorption of iron supplements and thus decreasing their effectiveness.

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