Pregnancy Electrolytes Drink: The Ultimate Guide

Pregnancy Electrolytes Drink: The Ultimate Guide

During pregnancy, staying hydrated is crucial for both mom and baby. That’s where electrolyte drinks come in handy – they not only quench your thirst but also replenish essential minerals and prevent dehydration.

Electrolytes play a vital role in maintaining fluid balance in our bodies, carrying electrical signals to cells, and supporting muscle function. As an expectant mother, your body’s demand for electrolytes increases due to the extra fluids required for your growing baby.


What is the importance of electrolytes, and what is the best electrolyte drink for pregnancy?

It’s essential to remember that while electrolyte drinks can be beneficial during pregnancy, not all of them are created equal. Some sports drinks, such as Gatorade and Powerade, can be high in sugar while some energy drinks can be posing as healthy. Some should be consumed in moderation, while others should be dodged like the plague. Pregnant women should keep well away from caffeine or any ingredients like caffeine that may be harmful to the baby.

It’s a bit of a minefield knowing what’s right for you.

Morning sickness during pregnancy can lead to vomiting and nausea, which may result in an electrolyte imbalance in the body. Supplementing your diet with an electrolyte drink can help you maintain proper hydration levels and electrolyte balance. Electrolyte drinks are particularly useful for pregnant women who experience morning sickness, as it can be difficult to consume enough electrolytes through a balanced diet alone. Adding electrolyte powder to your diet is a quick and easy way to get the recommended amount of electrolytes for a healthy pregnancy. the right

During pregnancy and breastfeeding, staying hydrated and replacing any lost nutrients is important also. Electrolyte drinks like lemonade can be a great way to replenish the body’s fluids and provide essential minerals. However, choosing a drink that is safe for both mom and baby is important. Many electrolyte powders contain additives and fake sweeteners that may not be ideal for breastfeeding.

And the introduction to our pregnancy drink. Isomum can be an important addition to your routines from early on in pregnancy right the way through to nursing too. You can check our post on the science behind Isomum here.

Hopefully, you can agree after delving into this topic with me on how important an electrolyte drink for pregnancy really can be.

What is an Electrolyte Drink?

Simply, electrolyte drinks are drinks with electrolytes in them.

This can be anything from water with added electrolytes or specially formulated isotonic drinks. These can be extremely supportive during the summer months when it comes to rehydration over and above just plain water.

An electrolyte drink sitting in a sports stadium

The Benefits of Electrolytes for Pregnancy

Drinking electrolyte drinks during pregnancy can help replenish essential minerals and fluids lost through sweating, vomiting, or diarrhoea. They can also aid in maintaining proper hydration, preventing dehydration-related complications, and supporting the healthy development of the baby.

Hydration in Pregnancy

Water is a huge factor in maintaining a healthy pregnancy in order to keep up the increased fluids for you and your baby. Proper hydration isn’t just about drinking more, it crucially means your body needs to regulate that water well also. This is when the proper minerals and vitamins doing their job come into play. These keep your body properly hydrated with the water. Water works as the main ingredient but the other vitamins and minerals act as the driving force or the home in which the water can be managed.

The increased demand on your body becomes ever so more critical during pregnancy. The H2O is managed throughout your body as this increase in the volume of your blood and other fluids increases. The demands on your body also increase. For some, just water without extra support can take its toll. This is when you can have issues like swollen ankles (overhydration, or build-up of fluid retention), which is a common occurrence in pregnancy. These are signs of dehydration that your body isn’t managing the water or fluids effectively.

Let’s start exploring the benefits of electrolyte drinks for pregnancy and introduce you to our top pick: Isomum, the ultimate pregnancy hydration isotonic drink, and how it benefits you and your little one.

So let’s start covering the main ingredients in the perfect electrolyte drink!

Electrolyte drinks are designed to replenish essential vitamins and minerals that help regulate fluid balance, so rightly the drinks would be made of these vitamins and minerals. These support vital bodily functions in order to keep you healthy and regulate your fluids more effectively. The increased demand on your body during pregnancy increases the demand for further nutrient intake, including a high dose of vitamin C.

Electrolytes that are well taken care of can usually keep you fit for a marathon, but on this occasion, we are revealing the importance of it during these most vital months, a new baby!


This mineral helps maintain fluid balance, supports muscle function, and plays a crucial role in nerve impulse transmission, but what does that mean?

It’s like a game of telephone inside your body. Imagine your body has many tiny messengers, these nerves help different parts of your body talk to each other. When you want to do something, like lift your hand or wiggle your toes, your brain sends that message to the right nerves.

So if you can see, this would be vital in order to keep you moving and is essential for your baby too!

But sodium is lost through sweat, and its levels need to be replenished to prevent dehydration so it’s important to replenish sodium if your levels drop!


Potassium is a helper in your body that has a few important activities. Imagine your body is a big town, and the cells are each house in that town. Potassium helps keep the right amount of water in each family home, so everyone has the right amount of water in order to keep everyone perfectly content and ultimately hydrated. Coconut water is the best choice to replace sports drinks like Gatorade, which contains a lot of sugar. It has more potassium and less sodium and carbohydrates than any average sports drink.


Magnesium is your own personal superhero in your body. It’s got many functions, let’s just break down it’s jobs. This is the binder to keep your body in tip-top condition creating the building blocks of proteins.

Magnesium is also there to help your muscles and nerves perform well together, so you can keep moving and your nerves are firing and cooperating well together. Obviously without this you could see some complications.

If your magnesium levels are too low, it’s like having fewer helpers in your body to do all the important jobs. When this happens, you might start to feeling the effects take place.


So, chloride is the thing in our body that a lot of people don’t really talk about, but it actually does some pretty important stuff. So, your body has a lot of water in it. Well, chloride helps keep the water in the right places, so everything stays balanced and working properly.

Oh, and it’s got a role in blood pressure too. Think of it like a traffic cop that helps control the flow of blood, making sure it doesn’t go too fast or too slow.

Drinking electrolytes during pregnancy

This comes with a bit of warning!

It’s fine too and actually important to as well! But getting the right electrolytes to drink for your pregnancy is important.

Electrolytes are great for pregnancy but you have to be aware of the other side of sports drinks that have electrolytes taking these additional ingredients isn’t necessarily designed with the mother and baby in mind. Not all electrolyte drinks are the same and it depends on what you’re using it for. In our case, we need them for pregnancy and the well-being of the mother and baby. Sports drinks can be a real red flag. We aren’t trying to spike our glucose or increase our heart rate. That’s a different type of solution which can be great if you’re running a marathon.

Not all electrolyte drinks are created equally.

When it comes to consuming electrolyte drinks during pregnancy there are other complications in answering this question and pregnant women should exercise caution to ensure the drinks they are consuming are safe and contribute to their overall well-being and that of their baby.

Evaluating the Safety of Electrolyte Drinks

The main factors to consider when evaluating the safety of an electrolyte drink during pregnancy include its sugar content, artificial sweeteners, caffeine, and other bizarre ingredients.

Women often ask if sports drinks are okay to drink and the answer is yes (as long as they aren’t energy drinks). These drinks are designed to hydrate you and replenish your electrolytes, which is also beneficial to your baby. Just be sure to watch your sugar intake as they can often be high in sugar.

A bottle of Lucozade sitting on a table in the sunshine
Lucozade in the UK is sold as a sports drink. But the ingredients read more like an energy drink- especially for pregnant ladies.


A sports drink that was deeply flawed in its use during pregnancy is Lucozade (UK drink only). You can check that article:

Lucozade in Pregnancy: Why you should NOT be drinking during pregnancy

Prime Energy Drink is another example. It’s broadcasted as the official sports drink of the Ultimate Fighting Championship (UFC) and the British soccer team Arsenal. What is Prime?

A sports drink or an energy drink?

It has electrolytes, but you certainly should not drink it while you’re pregnant.

Sugar Content:

Some electrolyte drinks, those marketed as sports drinks, can be high in sugars. High sugar intake can lead to excessive weight gain, gestational diabetes, and other health complications during pregnancy. When choosing an electrolyte drink, look for those with low or no added sugars.

Artificial Sweeteners:

Many low-sugar or sugar-free drinks use artificial sweeteners as a substitute. Some of these sweeteners, like aspartame and sucralose, are considered safe but this is debunked elsewhere in studies and come with a warning as sweeteners can disrupt your gut microbes. Always read the label to know what’s in your drink. Natural sweeteners like stevia and monk fruit are better options.

Pregnant woman stands near a window with a cup of coffee
It’s important to reduce your caffeine intake to zero during pregnancy.

Caffeine In Pregnancy:

No Caffeine intake is considered safe. There are articles online that consider up to 200mg of caffeine to be a safe quantity but this isn’t an agreement shared amongst professionals.

Current health recommendations concerning caffeine consumption during pregnancy are in need of “radical revision.”

British medical Journal – BMJ

Ingredients To Avoid:

Common Ingredients in Energy Drinks to Avoid During Pregnancy. Apart from caffeine, energy drinks usually contain other stimulants such as taurine, guarana, and ginseng. These ingredients should be avoided during pregnancy as they can lead to serious complications and adverse effects. These shouldn’t be common within sports drinks. But a lot of energy drinks aren’t easily recognised apart from sports drinks.

Should a Woman Drink Electrolytes in Pregnancy?

Electrolytes take care of tasks like balancing fluids, keeping muscles moving, and helping nerves send messages. During pregnancy, a woman’s body needs more fluids to support the baby, so having the right balance of electrolytes becomes even more important.

Drinking electrolytes can help pregnant women maintain that balance and stay properly hydrated. This is especially important during pregnancy because dehydration can lead to problems like headaches, dizziness, and even contractions.

Drinking electrolytes during pregnancy is a pretty important thing to consider for a mum-to-be!

Why electrolytes are important for pregnant women

During pregnancy, a woman’s blood volume increases to provide enough oxygen and nutrients to both her and the baby. Electrolytes like sodium help maintain the right balance of fluids, ensuring that this increased blood volume is properly managed.

Secondly, electrolytes can be great for easing common pregnancy discomforts. For instance, leg cramps are pretty common during pregnancy, and that’s where magnesium comes in handy. It helps to relax the muscles, reducing cramping and discomfort.

Lastly, electrolytes are essential for a healthy nervous system, which is obviously important for both mum and baby. They support the proper functioning of nerves, which in turn helps with the baby’s development and keeps the mum feeling her best.

How to recognise electrolyte imbalance during pregnancy

Recognising an electrolyte imbalance during pregnancy is important, as it can help you address any issues and keep yourself feeling your best.

Fatigue or weakness

Firstly, if you’re experiencing unusual fatigue or weakness, it might be a sign that your electrolytes are a bit out of whack. I know– feeling tired is pretty standard during pregnancy, but if it’s more than the usual pregnancy fatigue, it could be a clue.

Muscle cramping

Another sign to look out for is muscle cramping, twitching, or spasms. These could be an indication that your magnesium or potassium levels might be low. Nobody wants to deal with muscle cramps on top of everything else that comes with pregnancy, right?

Dizzy spells

Dizziness and light-headedness can also signal an electrolyte imbalance. This might be because of issues with blood pressure regulation, which can be affected by imbalances in electrolytes like sodium and chloride.

Heart rate

Hello speech bubble from Isomum

Lastly, if you notice changes in your heart rate, like it suddenly becoming faster or slower than usual, it could be another indication that your electrolytes might not be balanced.

Best electrolyte drink for pregnancy

Isomum is a fantastic option for pregnant women seeking an electrolyte drink that caters to their particular requirements. The carefully crafted formula contains just the right balance of essential electrolytes, sodium, potassium, magnesium, and chloride, all while using natural ingredients and steering clear of artificial nasties. It’s sugar free but still tastes good as well.