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Water retention: what it is & how to reduce it

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May 01 2026 | Giulia Feletti

💧 What is water retention?

What is water retention?

Water retention (fluid retention) happens when excess fluid builds up in your body’s tissues. It’s something most people experience at some point, especially if you train, work long hours sitting, or deal with stress and lifestyle fluctuations.

Common signs:

  • Puffy face or fingers
  • Water retention in legs (especially after sitting or standing long)
  • Feeling bloated or “soft”
  • Temporary weight fluctuations

What causes water retention?

Understanding what causes water retention helps you manage it better:

  • High sodium intake (especially from processed foods)
  • Hormonal changes (e.g. menstrual cycle)
  • Long periods of inactivity
  • Low protein intake
  • Dehydration (your body holds onto water as a response)
  • Stress = increased cortisol

If you're wondering how to lose water weight, the answer isn’t extreme dieting: it’s restoring balance.

⚖️ What to do in general

If your goal is how to reduce water retention, focus on consistency:

👉 Struggling to drink enough? The secret to drinking more water

🥤 What to drink

1. Water (but balanced)

  • Aim for ~1.5–2.5L per day depending on your lifestyle
  • Not drinking enough can actually increase water retention

2. Electrolyte-balanced fluids

⚠️ Only drinking large amounts of plain water without electrolytes can dilute balance

3. Functional drinks

🥗 Food & drinks for water retention

Focus on potassium-rich foods

Potassium helps balance sodium levels in the body:

  • Spinach, kale
  • Avocado
  • Sweet potatoes
  • Bananas
  • Beans & lentils

👉 Supplement option: Potassium Citrate

Add natural “anti-bloat” foods

These support digestion and fluid balance:

  • Cucumber
  • Watermelon
  • Asparagus
  • Pineapple

Protein matters (often overlooked)

Low protein intake can contribute to fluid imbalance.

👉 Learn more: Optimising Your Protein Intake: How Much Protein Per Day Do You Really Need?

💊 Supplements (supportive, not magic)

Keep this realistic: supplements help, but lifestyle is the foundation.

1. Magnesium

Magnesium supports normal electrolyte balance and can help reduce feelings of boating.

Often used around periods or stressful phases.

👉 Magnesium Citrate

👉 Super Magnesium Complex

2. Vitamin B6 blends

Vitamin B6 contributes to normal hormonal regulation, which can influence fluid balance.

Often included in products targeting fluid balance.

👉 Water Out

3. Dandelion-based supplements

Traditionally used to support fluid balance and digestion.

👉 Milk Thistle, Dandelion, Yellow Dock

4. Omega-3

Omega-3 supports general health and inflammation balance.

👉 Omega-3 Fish Oil

👉 Omega 3-6-9

5. Creatine (context matters)

Creatine can increase intracellular water (inside muscle cells), which is different from subcutaneous water retention.

👉 Learn more: Creatine 101: What It Is, What It Does & How to Use It

🧘 Extra tips (often underestimated)

  • Elevate your legs (especially if you sit a lot)
  • Use a foam roller
  • Walk daily (supports circulation & lymph flow)
  • Manage stress (cortisol plays a role)
  • Prioritize sleep

❓ FAQ

How to get rid of water retention quickly?
Focus on hydration, consistent salt intake, and movement. Avoid extreme fixes.

What causes water retention overnight?
Salt intake, hormonal changes, or lack of movement can contribute.

How to reduce water retention in legs?
Move regularly, elevate legs, and avoid long sitting periods.

How to lose water weight safely?
Balance hydration, electrolytes, and nutrition: avoid dehydration strategies.

 

⚠️ Disclaimer

  • If water retention is sudden, severe, or persistent, consult a doctor.
  • Always consult a healthcare professional before taking supplements, especially if you have medical conditions.

 

🔬 Sources

5 minute read