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Electrolytes & Hydration

Electrolytes & Hydration: Smart Fluid Replenishment for Performance and Everyday Life

In this category you will find electrolyte drinks and blends for rapid replenishment of fluids and minerals (especially sodium, potassium, magnesium), as well as sugar-free options for everyday hydration. Sodium is key for rehydration—it helps retain fluid in the body and reduces the risk of hyponatremia during prolonged efforts.

  • Everyday drinking: sugar-free electrolyte blends; the aim is convenience without unnecessary calories.
  • Sport & exertion 60+ minutes: drinks with sodium (and carbohydrates if needed) to improve fluid retention.
  • Illness/recovery: glucose–electrolyte solutions leverage sodium–glucose cotransport to aid absorption.

These are not medicinal products. If you take medicines, have a diagnosis, or follow a specific regimen, consult a professional when choosing.

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Jigsaw Health | Elektrolyty Supreme™ - Berrylicious - 60 ks
from €1,81 excl. VAT
from €2,03

Jigsaw Electrolyte Supreme™ transforms plain water into a functional drink packed with...

JH-ESBL5.4
Redmond | Re-Lyte® Hydration elektrolyty - Natural - 375 g
from €2,55 excl. VAT
from €2,86

An unflavoured variant of electrolytes that allows the pure composition to fully stand...

RL-U5
Redmond | Re-Lyte® Elektrolyty - Ovocná směs 60 dávek
from €2,55 excl. VAT
from €2,86

An electrolyte blend of summer fruits with a slight hint of lemon is ideal for...

RL-BF6.5
Jigsaw Health | Elektrolyty Supreme™ - Citron-limeta - 5.9 g, 354 g, 60 ks
from €1,81 excl. VAT
from €2,03

Jigsaw Electrolytes Supreme™ with a refreshing lemon-lime flavour is a premium...

JH-ESLL5.9
fruit punch (1)
from €1,81 excl. VAT
from €2,03

Jigsaw Electrolytes Supreme™ with delicate fruit punch flavor is a premium electrolyte...

+ more
JH-ESFP5.6
Redmond | Re-Lyte® Hydration Elektrolyty - Piňa Colada
from €2,55 excl. VAT
from €2,86

A delicious blend of electrolytes with a tropical pineapple and coconut flavour, free...

RL-PC6.5
KAYTEA | Čaj s eletrolyty - Limetka & Máta
Organic
€10,78 excl. VAT
€13,04

Tea bags with electrolytes aka Hydro infusions are ideal for hot and cold tea....

KT-HILM
Redmond | Re-Lyte® Energy Boost - 120 ks | pravebio.cz
€33,97 excl. VAT
€38,05

Natural dietary supplement with electrolytes, caffeine, ginseng and maca. Thanks to its...

RL-EB120
NoordCode | Performance elektrolyty z mořské soli - příchuť jahoda třešeň
New
€26,95 excl. VAT
€30,18

NoordCode performance electrolytes strawberry and cherry are a balanced mix of...

NC-PERFORMANCE-ELECTROLYTES-STRAWBERRY-CHERRY-JAR
Redmond | Re-Lyte® Energy - Alternativa k energetickým nápojům
€44,32 excl. VAT
€49,64

A handy powdered drink containing electrolytes and natural ingredients to refresh and...

RE-RERM267
Noordcode | Elektrolyty z mořské soli - příchuť marakuja a papája
New
€24,69 excl. VAT
€27,65

Contribute to normal muscle function and nervous system and to maintaining normal blood...

NC-DEPP180
KAYTEA | Čaj s eletrolyty - Broskev & Zelený čaj
Organic
€10,78 excl. VAT
€13,04

Tea bags with electrolytes aka Hydro infusions are ideal for hot and cold tea....

KT-HIPGT
KAYTEA | Hydro infuze - citrón & maté
Organic
€10,78 excl. VAT
€13,04

Tea bags with electrolytes aka Hydro infusions are ideal for hot and cold tea....

KT-HILYM
Noordcode | Denní elektrolyty z mořské soli - příchuť okurka máta
New
€24,69 excl. VAT
€27,65

NoordCode Daily Electrolytes from Sea Salt with cucumber and mint flavor are an instant...

NC-DECM180
Redmond | Re-Lyte Hydration Support
€22,51 excl. VAT
€25,21

Rehydration capsules with real Redmond salt are a great choice for daily electrolyte...

RL-HS120
Noordcode | Denní elektrolyty z mořské soli - příchuť lesní plody
New
€24,69 excl. VAT
€27,65

NoordCode Daily Electrolytes with berries flavor add essential minerals to your water....

NC-DEBF180
NoordCode | Performance elektrolyty z mořské soli - příchuť lesní plody
New
€26,95 excl. VAT
€30,18

NoordCode Performance Electrolytes with berry flavour are an instant powder for...

NOPEF200
Redmond | Re-Lyte® Immunity prášek - 248 g | pravebio.cz
from €2,55 excl. VAT
from €2,86

Re-Lyte® Immunity Pineapple & Orange is a natural blend of electrolytes, vitamins...

RRLPO5.5
Re-Lyte® Immunity - Elektrolyty na podporu imunity (ostružiny)
New Immunity Sport & Performance
from €2,55 excl. VAT
from €2,86

Re-Lyte® Immunity is an exceptional immunity support blend from the renowned American...

RL-I5B
Redmond | Re-Lyte® Boost - sáčky - 5.4 g, 5.6 g
€2,18 excl. VAT
€2,44

Re-Lyte® Boost, based on the Re-Lyte® electrolyte blend, contains a dose of...

RL-BLL5.6

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20 items total

How to Choose Electrolytes: A Practical Guide

Electrolytes (sodium, potassium, magnesium, calcium) are essential for fluid balance, neuromuscular function, and pH. Requirements vary with workload, temperature, and sweating—most people can cover needs with diet and water; electrolyte drinks are useful when fluid and mineral losses are higher (sport/heat, illness), or when you prefer a functional sugar-free beverage.

What Belongs Here & Why

Electrolyte drinks for performance (60+ minutes)

For longer efforts, sodium in the drink is recommended (on the order of hundreds of mg/L)—it improves fluid retention and reduces the risk of hyponatremia; for endurance, carbohydrates are also added (typically 4–8 %). Follow the label and your own tolerance.

Glucose–electrolyte solutions

The combination of glucose and sodium uses intestinal cotransport and supports fluid absorption—hence their use for rehydration after illness or diarrhea. For routine exercise, simpler electrolyte drinks are often sufficient.

Caffeine-free and caffeinated

Within recommended doses, caffeine does not show a significant worsening of hydration; caffeinated drinks can suit “energy + hydration,” but mind your total daily caffeine intake.

How to Choose and Use (Practical)

  • Start with your goal: everyday drinking (preferably sugar-free) vs. endurance (sodium + carbohydrates as needed).
  • Monitor sodium: it is key for fluid retention during sweating; magnesium is useful but not the “main” player for acute rehydration.
  • Dosage and timing: drink to thirst and conditions; for longer efforts, replenish regularly in smaller volumes. 
  • Safety: excess electrolytes can be an issue—especially in people with hypertension, kidney disease, or unnecessary “oversalting.” Choose appropriately for the situation.

Recommended daily intakes of water and minerals are set by authorities such as EFSA; tailor your choice to your age, workload, and climate.

FAQ

Are electrolytes always “better than water”?

Not always. Under normal conditions, water and a varied diet are sufficient; electrolyte drinks are helpful with higher sweat losses, prolonged exertion, or illness. Watch the composition (especially sodium) and avoid unnecessary sugar if performance is not your goal.

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Does caffeine dehydrate you?

At usual intakes, no—current reviews do not show a significant deterioration of hydration with caffeinated drinks; what matters is total daily intake of fluids and caffeine.

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When should I use an oral rehydration solution (ORS)?

ORS is used mainly for rehydration after diarrhea/vomiting and leverages the sodium–glucose transporter for absorption. For regular exercise, choose sports electrolyte drinks according to the situation.

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Information is educational and does not replace medical care. If you take medicines or have a diagnosis, consult a professional when choosing.