Do You Actually Need Electrolytes? Hydration, Sodium and Training Performance Explained
Why water alone isn't always enough, what electrolytes actually do, and when you genuinely need them versus when you don't.
Dehydration hurts performance before you notice you're thirsty. Cramping, fatigue and a drop in focus usually start with an electrolyte deficit, not just a water deficit, which is why plain water alone doesn't always fix how you feel mid-session.
Here's what electrolytes actually do, when you need them, and when you don't.
Electrolytes are minerals (mainly sodium, potassium, calcium and magnesium) that carry an electrical charge and are essential for muscle contraction, nerve signalling and fluid balance. You lose them through sweat, and the harder and longer you train, the more you lose.
Beast HYDRO combines a full electrolyte matrix with CocoMineral® coconut water extract and RedNite® beetroot concentrate, which also supports nitric oxide production and blood flow during training.
Why Water Alone Isn't Always Enough
Sweat isn't just water. It carries sodium and other electrolytes out with it. Replacing only the water without the electrolytes can leave you under-replaced on the minerals your muscles and nervous system actually need to function properly, which is part of why plain water sometimes doesn't resolve cramping or fatigue during long or hot sessions.
When You Actually Need Them
Not every session needs an electrolyte drink. A 30-minute gym session in a temperate environment is unlikely to create a meaningful deficit that water can't handle. Electrolytes earn their place when sessions are long, intense, hot, or heavy sweaters are involved: think strongman training, endurance work, or anything pushing well past an hour.
Common Myths
"You need to drink a gallon of water a day." Fluid needs vary by bodyweight, activity level and climate. A flat daily target ignores all of that.
"Cramping is always caused by dehydration." Electrolyte imbalance, fatigue and training load all contribute. Water alone doesn't fix every cause.
"Electrolyte drinks are just sugar and salt." Some are. The American College of Sports Medicine's position stand on fluid replacement points to sodium, and often other electrolytes, as genuinely necessary for sessions involving heavy or prolonged sweat loss, not just flavouring.1
Hydration FAQs
Eddie's take: "In strongman, dehydration ends your session before your muscles ever give out. I don't wait until I'm thirsty. Electrolytes go in during the session, every session, not as an afterthought."
Hydration with a purpose.
Dehydration kills performance before you even notice it. Cramps, fatigue, loss of focus. All start with an electrolyte deficit, not just a water deficit.
Beast Pharm HYDRO is a precision hydration formula built to replace what training takes out. CocoMineral® coconut water extract, RedNite® beetroot concentrate for nitric oxide support, Enovita® grape seed extract, Taurine, and a full electrolyte matrix of sodium, potassium, calcium, and magnesium.
Most electrolyte products are salt, sweetener, and a colour. HYDRO is a formulated hydration system. The ingredients do something. That's the point.
Directions
Mix 1 scoop (6g) with at least 500ml of water to desired taste. Alternatively consume at any time as refreshing drink. Do not exceed 5 servings in any 24 hour period.
Ingredients
Coconut water (as CocoMineral®), Taurine, Cranberry Extract, Electrolytes, Fresh beetroot concentrate powder (as Rednite®) (standardised 1.5%-2.75% natural nitrate), Grape seed extract (as Enovita®) , Maltodextrin, Flavouring, Citric Acid, Sweetener (Sucralose).
Please note that due to some of the ingredients being red (beetroot extract, cranberry extract) and our commitment to not use artificial colours in any of our products; all flavours of Hydro will come as a red powder.
NET WT. 360g No artificial colours.
Warnings
Please consult your physician prior to use (especially if you have a medical condition). Not recommended for anyone under the age of 18. Do not take this product if you are pregnant or breast feeding. If you are taking any medication consult your doctor before taking this product. Do not exceed the suggested use. Keep out of the reach of children. This product is not intended to diagnose, treat, cure, or prevent any disease or illness. Food supplements should not be used as a substitute for a varied, balanced diet and healthy lifestyle.
Allergens
For allergens please see ingredients in bold. Manufactured in a facility that processes celery/celeriac, crustaceans, fish, milk, mustard, peanuts, soya, gluten, egg, lupin, molluscs, nuts, sesame and sulphur dioxide.
Delivery
All UK orders are shipped using a 1-2 working day service.
Free Tracked 24 shipping is available on all orders over £25, for orders under £25 shipping is charged at £4.99
Orders placed before 1pm on weekdays are shipped the same day.
Orders placed at weekends and bank holidays will be processed on the next working day.
Europe - Please allow 5 - 10 business days for delivery. Orders under 150 EUR - including shipping costs - will not incur any customs or VAT charges.
Rest of the World - Please allow 7 - 14 business days for delivery.
DHL EXPRESS WORLDWIDE - 1 - 3 business days.
All orders are shipped tracked - a tracking link will be provided in your shipping confirmation email.
Additional Charges
Customers may incur VAT charges and Customs Duty specific to their country. The buyer assumes responsibility for any importation costs. If customs and duty fees imposed by your country are not paid, we cannot accept responsibility for the items. It is essential to familiarize yourself with your country's regulations regarding the importation of goods. If an item is confiscated due to regulations, we are not liable, and any resulting charges will be the customer's responsibility. For information regarding return shipping costs, please refer to our Refund Policy.
Sawka, M. N., Burke, L. M., Eichner, E. R., et al. (2007). American College of Sports Medicine position stand: exercise and fluid replacement. Medicine & Science in Sports & Exercise, 39(2), 377–390. https://doi.org/10.1249/mss.0b013e31802ca597
This article is for informational purposes and is not medical advice. Consult a healthcare professional before starting any new supplement, particularly if you have an existing health condition, are pregnant or breastfeeding, or are under 18.
