Can I take Iron and Vitamin c together?

Why this happens

Vitamin C (ascorbic acid) changes the chemical form of iron in the stomach to a version that is more easily dissolved and absorbed by the gut lining. It also helps prevent iron from binding to other substances in your food that might block its absorption.

What you should do

It is generally recommended to take iron with a source of Vitamin C (like a glass of orange juice) to help it work better. However, if you find this causes stomach upset, you can take them separately or with a small amount of food. If you have a condition that causes iron overload (like haemochromatosis), speak to your doctor before combining them.

Important precautions

Iron overdose in children

Keep iron supplements strictly out of reach of children. Even a small accidental overdose can be fatal for a child.

Tetracycline or Quinolone antibiotic use

Do not take iron at the same time as antibiotics. Iron stops these medicines from working; space them at least 2 hours apart.

Food and drink warnings

Tea, Coffee, and Caffeinated drinks

Caffeine and compounds called tannins found in tea and coffee significantly reduce the amount of iron your body can absorb. Avoid these drinks for at least one hour before and two hours after taking your iron supplement.

Dairy products (Milk, Cheese, Yoghurt)

Calcium in dairy products prevents iron from being absorbed properly. Do not take your iron supplement at the same time as eating or drinking dairy. Leave a gap of at least two hours.

Eggs and Whole-grain Cereals

These contain compounds (phytates and phosphates) that can bind to iron and stop it from being absorbed. It is best to take iron on an empty stomach, but if it upsets your stomach, avoid taking it with these specific foods.

Vitamin C (Orange juice, Citrus fruits)

This is a positive interaction. Taking iron with a glass of orange juice or foods high in Vitamin C actually helps your body absorb the iron more effectively.

Using other medicines

Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Disclaimer

This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.