Vitamin C foods: what to eat

Are you getting your daily dose of vitamin C? Find out which foods are high in vitamin C, why vitamin C is so important and the signs of vitamin C deficiency to watch out for.

Why is vitamin C so important? 

Which foods are high in vitamin C? 

What happens if I don’t get enough vitamin C?

When to see a doctor

Key points



Also known as ascorbic acid, vitamin C is a water-soluble vitamin. This means it can’t be stored in the body and that you need to eat a [balanced diet](/healthy-diet/healthy-eating-and-balanced-diet) that includes plenty of vitamin C-rich foods in order to get a steady supply of this essential vitamin.

## Why is vitamin C so important? 

There are many ways that vitamin C keeps your body strong and healthy, including:

- protecting cells 
- keeping tissues healthy, including arteries, bones, muscles, blood vessels and cartilage
- maintaining healthy skin
- helping to heal wounds
- helping the body to absorb iron 
- boosting the immune system 


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## Which foods are high in vitamin C? 

Adults aged 19 to 64 are advised to get around 40mg of vitamin C every day. See how these vitamin-C rich foods stack up:

- oranges – 100g contains 52mg of vitamin C
- strawberries – 100g contains 57mg of vitamin C
- blackcurrants – 100g contains 200mg of vitamin C
- red peppers (raw) – 100g contains 126mg of vitamin C
- broccoli (steamed) – 100g contains 60mg of vitamin C
- Brussels sprouts (boiled) – 100g contains 60mg of vitamin C

As a guide, 1 large orange a day will supply you with the vitamin C you need. Too much vitamin C (more than 1,000mg a day) may cause side effects like stomach pain, flatulence or diarrhoea.  

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## What happens if I don’t get enough vitamin C?
Over time, not getting enough vitamin C leads to the body not being able to produce collagen. Collagen is a protein found everywhere in the body, particularly in the skin, bones and connective tissue. 

Without collagen, tissues can break down and the body will find it harder to repair itself. If this happens over a period of more than a few months, it can lead to a condition called [scurvy](/nutritional-deficiencies/scurvy). 

Symptoms of vitamin C deficiency can include:

- weakness and tiredness
- pain in the muscles and joints
- bruising easily or tiny red-blue, bruise-like spots on the skin 
- dry skin and splitting hair 
- nose bleeds, swollen or bleeding gums and tooth loss
- bleeding into joints and joint pain
- weight loss
- problems with wound healing and fighting infections
- changes in the bones


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## When to see a doctor

Because symptoms of vitamin C deficiency can quickly become worse if not treated, speak to a doctor or health practitioner as soon as you think you might be experiencing vitamin C deficiency. 

Your doctor may perform a blood test and scans and will be able to advise on a vitamin C supplement if necessary.


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## Key points

- vitamin C keeps cells, blood vessels, bones, skin and cartilage healthy and helps to heal wounds 
- you need around 40mg of vitamin C a day
- oranges, strawberries, blackcurrants, red peppers, broccoli and Brussels sprouts are good vitamin C food sources
- prolonged vitamin C deficiency can lead to [scurvy](/nutritional-deficiencies/scurvy)
- vitamin C deficiency can be treated easily if diagnosed promptly by a doctor   

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References

Helen Prentice

Lee-Anne Spurdens

Dr Ann Nainan

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All of Healthily's articles undergo medical safety checks to verify that the information is medically safe. View more details in our <a href="/safety" target="_blank" rel="noopener noreferrer">safety page</a>, or read our <a href="/legal/editorial-policy-principles" target="_blank" rel="noopener noreferrer">editorial policy</a>.

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