Is Coffee Good or Bad for Singers? How Coffee Affects Vocal Cords

There are certain foods and drinks you should avoid if you want to get the most out of your vocals. But what about coffee? Is good or bad for singers and vocal cords? Firstly, everyone reacts differently to stimulants and caffeine isn’t recommended for diabetics or during pregnancy, so let’s discuss the pros and cons of drinking coffee when singing.

Coffee dehydrates the vocal cords and can stimulate anxiety. This effect means caffeine can alter your singing. On the flipside, when it’s drunk in moderation, caffeine can benefit your performance by providing more energy and uplifting your mood. 

Is coffee good for a singing voice? 

Coffee isn’t recommended for people with some disorders or health implications. For example, if you suffer from anxiety, we highly suggest avoiding coffee on the day of your performance. Caffeine is a stimulant and encourages a ‘fight or flight’ feeling, which can make a person’s anxiety even worse. Drinking caffeine if you already suffer from anxiety could even cause a panic attack.  

Performing can be nerve-wracking enough, without stimulating your anxiety even further. Just 200mg of caffeine (two cups of coffee) can increase your breathing rate, make your heart beat faster and also increase your body’s temperature.  

Although these side effects are psychical, it’s difficult to calm your mind when youre experiencing these symptoms. Someone who’s more anxious is more likely to experience these negative side effects. 

So, if you’re less responsive to anxiety, where does this information leave you? Studies have found that if caffeine doesn’t affect your wellbeing or physical behaviouryou don’t have to reduce the amount of coffee you consume. However, don’t increase your dosage before performance days.  

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Is coffee good for your vocals? 

 

Your vocal cords need water to stay hydrated. Water is also beneficial to improving the flexibility and efficiency of your vocal cords. Coffee works in the opposite way that water does and dehydrates your vocal cords. As the body needs water to lubricate the vocal cords, coffee decreases your body’s ability to absorb water, meaning your voice can sound hoarse.  

Coffee dehydrates the body – especially your vocal cords. With little moisture on the cords, this creates more tension between them which shortens your vocal range and limits your capabilities. The task of singing also becomes more difficult because your body has less moisture to lubricate the cords.  

However, one study found no correlation between drinking coffee and singing. A group of individuals consumed caffeine tablets and found no difference in the body’s ability to create sound and perform at your usual level.  

Coffee and vocal cords

Hannah Meredith, singing teacher at River Studio, says, “Caffeine dehydrates you, so therefore dehydrates the vocal folds. Ideally you want to avoid caffeine and you want to have lots of water to keep the folds hydrated and ready to sing.”

If your vocal cords are hydrated, you’ll have a less chance of vocal injury and temporary vocal breaks. Coffee’s dehydrating effect can encourage a dry throat, meaning you’re more likely to swallow between lyrics.   

There’s no scientific evidence that drinking coffee has adverse effects on your vocal cords. However, singers experience a difference in their vocal quality after regularly drinking coffee.  

Specifically, research found that a mild dose of caffeine (such as 100mg) has no adverse effect on phonation. However, scientists are led to believe that drinking higher volumes of caffeine could have a poor effect on phonation. Therefore, 100mg (a medium cup of coffee) daily, won’t have serious implications on your voice. 

Alternatives to coffee if you have anxiety 

is black coffee good for singing

Green tea: This has less caffeine than coffee and is packed with antioxidants to fight diseases 

Lemon water: A refreshing drink which provides an instant pick-me-up 

Peppermint water: Provides a refreshing taste which also soothes the throat 

Pomegranate juice: Filled with antioxidants and energisers, plus vitamins and minerals 

Should you avoid coffee on performance days? 

is coffee good for singers

Let’s not dismiss the positive health benefits that coffee has. Firstly, it can increase your energy levels, thanks to the caffeine. This increases dopamine levels which also improves your mood and supports mental function. If you’re feeling tired on your performance day, we recommend drinking one cup of coffee three-four hours before your big moment.  

Any later, and you risk agitating the vocal cords with dehydrating. 

Drinking more than one cup on the day of your performance could stimulate any anxiety and nerves you might feel before hitting the stage. Also, caffeine increases your heart rate, which as a result, can make breath control much more difficult. 

A study on caffeine and vocal cord dysfunction

Earlier in this article, we mentioned a study. To give you a little more detail, in 1999, research was conducted into caffeine and vocal cord dysfunction.

The study stated that there was a common thought that:

“Caffeine is considered to be a dehydrating agent with detrimental effects on the quality of voice of persons ingesting it. This has led medical personnel dealing with voice disorders, especially in the case of professional voice users, to give advice against the use of caffeine.” 

However, this statement was deemed to be purely anecdotal, as no scientific evidence was found to suggest that caffeine could have an adverse effect on a singer’s vocal cords.

As a result, the researchers decided to create a pilot study to see whether or not caffeine was bad for singing voice and if coffee did affect vocal cords.

The study included administering 250 mg of caffeine to 8 people. The researchers then recorded blood levels and laryngograph readings to see if any vocal cord changes were registered.

They found that:

“Analysing the irregularities of frequencies in a) free speech b) a reading passage and c) singing ‘Happy Birthday’, substantial changes were seen to authenticate the fact that caffeine does produce alterations in voice quality, but these alterations have considerable intra-subject variability.”

What that means is that they could not be 100% certain that coffee was bad for singers, as the sample wasn’t large enough.

To date, a fuller study with wider parameters has never been completed. So the best advice is, if you’re going to drink coffee on the day of a performance, proceed with caution. Consider how caffeine affects you personally, but certainly don’t overdo it.

What’s your experience with drinking coffee and singing? We hope this article helped clarify how coffee is good and bad for singers, and when you should avoid it.

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