Patient Resources 8 min read·Updated 22 July 2026 Clinician-reviewed

Exercise and CKD

A UK Consultant Nephrologist on physical activity with chronic kidney disease — what's safe, what's beneficial, and how to build a sustainable routine.

  • Clinically Reviewed
  • NHS & NICE Aligned
  • UK Evidence-Based
  • Last Reviewed 22 July 2026

Professor Mohammed Mahdi Althaf

Consultant Nephrologist & Acute Physician

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Professor Mohammed Mahdi Althaf

MD, MSc, PgDip (Clin Ed), FRCP, FHEA, FASN

Consultant Nephrologist & Acute Physician · GMC 7216325

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Direct answer

Regular moderate exercise is safe and beneficial in CKD. Aim for 150 minutes per week of low-impact aerobic activity plus 2 sessions of light resistance training. Avoid high-intensity contact sports if you have a fistula or transplant.

Key recommendation: Aim for 150 min/week of moderate aerobic activity.

Quick answer

✓ Best choices

  • Home-cooked meals built around vegetables and whole grains
  • Lower-potassium fruit between meals
  • Hydration spread across the day (within your fluid allowance)
  • Movement most days — even a 20-minute walk

✓ Foods to limit

  • Ultra-processed snacks and ready meals
  • Sugary and energy drinks
  • Salt at the table

Key takeaway

Regular moderate exercise is safe and beneficial in CKD. Aim for 150 minutes per week of low-impact aerobic activity plus 2 sessions of light resistance training. Avoid high-intensity contact sports if you have a fistula or transplant.

Who should be cautious

People on dialysis, post-transplant, pregnant or breastfeeding, or taking prescription medication — confirm with your renal team before changes.

Exercise and CKD

Why exercise matters in CKD

CKD increases cardiovascular risk. Regular exercise improves blood pressure control, insulin sensitivity, lipid profiles and muscle mass — all of which decline in advanced CKD. It also reduces fatigue and depression, which are common and often under-treated.

Building a weekly routine

Monday: 30 min brisk walk. Tuesday: 20 min light resistance (bodyweight squats, wall press-ups, resistance bands). Wednesday: 30 min swimming or cycling. Thursday: Rest or gentle stretching. Friday: 30 min brisk walk. Saturday: 20 min resistance training. Sunday: Leisurely walk or gardening. Adjust intensity to your fitness level and CKD stage.

Kidney Vitality is a daily multivitamin developed by a UK Consultant Nephrologist using renal nutrition principles. It contains no added potassium, magnesium, phosphorus or iron, and no herbal blends. See the formulation.

Special considerations

  • Fistula arm: avoid heavy lifting or compression on the arm with your vascular access.
  • Transplant: avoid contact sports for at least 6 months post-op; always protect the transplant site.
  • Diabetic CKD: check blood glucose before and after exercise; carry fast-acting glucose.
  • Fluid restriction: drink to thirst only if on restriction; do not force fluids before exercise.
  • Bone disease: avoid high-impact jumping if you have renal osteodystrophy.

When to pause or stop

  • Chest pain or tightness.
  • Severe shortness of breath.
  • Dizziness or fainting.
  • Blood in urine.
  • New swelling in legs after exercise.
  • Fever or active infection.
  • Post-dialysis hypotension — wait until blood pressure stabilises.
How to Improve Kidney Function Naturally
Related reading: How to Improve Kidney Function Naturally.

Key practical tips

Designed for quick scanning — what to order, what to avoid, sensible portions, common mistakes.

  • Batch-cook two kidney-friendly meals on a quiet evening
  • Keep a shortlist of go-to snacks for tired days
  • Tell your renal team about any new symptom early

Clinical guidance

TL;DR summary

Regular moderate exercise is safe and beneficial in CKD. Aim for 150 minutes per week of low-impact aerobic activity plus 2 sessions of light resistance training. Avoid high-intensity contact sports if you have a fistula or transplant.

Key takeaways
  • Aim for 150 min/week of moderate aerobic activity.
  • Add 2 sessions of light resistance training.
  • Walking, swimming and cycling are ideal.
  • Intradialytic exercise is supported by evidence.
  • Stop if chest pain, dizziness or blood in urine.
Kidney Diet & Nutrition Considerations

Lifestyle and nutrition reinforce each other in kidney disease. Even small changes — cooking more meals at home, swapping ultra-processed snacks for whole-food alternatives, walking after meals — add up. The underlying pattern is the same Mediterranean-style, reduced-salt plate recommended across UK renal guidance.

Foods to prioritise

  • Home-cooked meals built around vegetables and whole grains
  • Lower-potassium fruit between meals
  • Hydration spread across the day (within your fluid allowance)
  • Movement most days — even a 20-minute walk

Foods to limit

  • Ultra-processed snacks and ready meals
  • Sugary and energy drinks
  • Salt at the table

Potassium, phosphate and protein needs vary between individuals — please confirm personal targets with your renal team or dietitian. Browse the Kidney Diet Hub for more guides in this cluster.

Frequently asked questions

Is exercise safe with kidney disease?

Yes — regular moderate exercise is beneficial for blood pressure, cardiovascular health and mood in CKD. Most patients can walk, swim, cycle and do light resistance training.

What exercise is best for CKD patients?

Low-impact aerobic exercise (walking, swimming, cycling) plus light resistance training with body weight or bands. Avoid high-intensity contact sports if you have a fistula or transplant.

Can I exercise on dialysis days?

Gentle walking is fine on dialysis days. Avoid vigorous exercise immediately before or after haemodialysis. Intradialytic exercise (cycling or resistance bands during dialysis) is supported by research and can be discussed with your unit.

Are there warning signs to stop exercising?

Stop and seek advice if you feel chest pain, severe shortness of breath, dizziness, or notice blood in your urine. Reduce intensity if you feel unusually fatigued or nauseated.

What lifestyle changes help kidney disease?

The most evidence-based lifestyle changes for kidney disease are stopping smoking, keeping blood pressure and blood sugar in target, staying physically active most days, maintaining a healthy weight, drinking sensibly within UK low-risk limits, and eating a Mediterranean-style, reduced-salt diet.

Nutritional challenges in kidney disease

Many people living with kidney disease have to limit foods because of potassium, phosphate, diabetes, dialysis, appetite changes or simply the time it takes to cook from scratch every day. That can make it harder to keep daily nutrition balanced — particularly for vitamins and minerals that food alone may not fully cover.

Kidney Vitality is a UK-formulated daily nutritional support product designed by Consultant Nephrologist Professor Mohammed Mahdi Althaf with renal nutrition in mind from the start. It keeps doses moderate, leaves out added potassium, phosphate and magnesium, and avoids megadose vitamin A — sitting alongside a kidney-friendly diet, not replacing it.

Why Kidney Vitality fits this need

Built around UK renal guidance

Aligned with NICE NG203, KDIGO 2024 and BDA renal nutrition guidance.

Designed by a UK Consultant Nephrologist

Formulated and reviewed by Professor Mohammed Mahdi Althaf (GMC 7216325).

Evidence-based by design

No added potassium or phosphate; sensible vitamin doses.

Designed by a UK Consultant Nephrologist

Ready to support your kidney health?

If you have been researching kidney health, supplements, CKD nutrition or kidney-friendly living, Kidney Vitality was developed specifically around those principles by Professor Mohammed Mahdi Althaf (GMC 7216325). Nephrologist Developed Daily Multivitamin.

  • No Added Potassium
  • No Added Magnesium
  • No Added Phosphorus
  • No Added Iron
  • One capsule daily
  • UK GMP — BRCGS, NSF GMP, Halal
Subscribe & Save — £20.39/monthCheck your current multivitamin

✓ Free UK tracked delivery  ·  ✓ Delivered every 30 days  ·  ✓ Pause or cancel anytime  ·  ✓ Never run out

ComparisonKidney VitalityTypical high-street multivitamin
Added potassiumNoneOften included
Added phosphateNoneOften included (E338–E452)
Vitamin A (retinol)No megadoseOften high-dose retinol
Kidney-focused formulationYesNo — general population
Consultant Nephrologist involvementYes (GMC 7216325)No
UK GMP manufacturedYes (BRCGS, NSF GMP)Varies

Food supplement. Not a medicine and not a treatment for kidney disease. Speak with your GP, pharmacist or renal team before starting any new supplement, especially in advanced CKD, on dialysis, post-transplant, pregnant or breastfeeding.

Clinical reviewer

Professor Mohammed Mahdi Althaf

Consultant Nephrologist

Acute Physician

GMC 7216325

View Full Biography

Professor Mohammed Mahdi Althaf is a UK Consultant Nephrologist and Acute Physician with a special interest in chronic kidney disease, AKI prevention and renal nutrition. He combines hospital practice with patient education and clinical guidance review.

View professional profile →
View Credentials
  • MD
  • MSc
  • PgDip (Clin Ed)
  • FRCP
  • FHEA
  • FASN

About this article

Written for UK patients and based on:

  • NICE guidance
  • NHS resources
  • British Dietetic Association guidance
  • Kidney Care UK resources
View methodology

Each article is researched against current UK clinical guidance (NICE NG203, NG118, NG136), NHS patient resources, KDIGO and KDOQI international guidelines, and the British Dietetic Association Renal Nutrition Group. Drafts are written by the Kidney Vitality editorial team and reviewed by a UK Consultant Nephrologist before publication. Content is reviewed on a rolling basis and updated when guidance changes.

Editorial standards

  • Clinically reviewed
  • NHS-aligned
  • NICE-aligned
  • Evidence-based
  • Reviewed before publication
View full editorial process

Every article is researched and written by the Kidney Vitality editorial team using current UK clinical guidance (NICE NG203, NG118, NG136), NHS patient resources, KDIGO/KDOQI international guidelines, and British Dietetic Association renal nutrition guidance. Drafts are reviewed for clinical accuracy by Professor Mohammed Mahdi Althaf, MD, MSc, PgDip (Clin Ed), FRCP, FHEA, FASN (Consultant Nephrologist & Acute Physician, GMC 7216325) before publication. Content is updated when UK guidance changes.

References (4)View Sources
  1. NICE NG203: Chronic kidney disease — assessment and management
  2. KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of CKD
  3. KDOQI Clinical Practice Guideline for Nutrition in CKD: 2020 Update
  4. British Dietetic Association — Renal Nutrition Group

Medical disclaimer

This content is educational only and does not replace personalised medical advice.

Read full disclaimer

This page is general information, not personal medical advice. If you have chronic kidney disease, are on dialysis, have had a kidney transplant, are pregnant or breastfeeding, or take prescription medication, please confirm any supplement with your GP, pharmacist or renal team before starting.

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