Kidney Diet 8 min read·Updated 22 July 2026 Clinician-reviewed

Is Wine Bad for Your Kidneys?

A UK Consultant Nephrologist on wine in chronic kidney disease — separating the resveratrol myth from the real risks of alcohol on blood pressure, fluid and gout.

  • 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

Wine is not 'good' for kidneys. If you choose to drink, keep within UK low-risk limits (≤ 14 units/week), spread across 3+ days, with drink-free days. Red wine has no proven renal protective effect. Avoid entirely if blood pressure, gout or fluid restriction is an issue.

Key recommendation: UK low-risk limit: ≤ 14 units/week, spread over 3+ days.

Quick answer

✓ Best choices

  • Vegetables and lower-potassium fruit at every meal
  • Whole grains: oats, basmati rice, pasta, wholegrain bread
  • Lean protein in modest portions: fish, chicken, eggs, tofu
  • Extra virgin olive oil, herbs and spices for flavour

✓ Foods to limit

  • Added salt and salty sauces
  • Processed meats and foods with phosphate additives (E338–E452)
  • Very large portions of bananas, oranges, potatoes if potassium is rising

Key takeaway

Wine is not 'good' for kidneys. If you choose to drink, keep within UK low-risk limits (≤ 14 units/week), spread across 3+ days, with drink-free days. Red wine has no proven renal protective effect. Avoid entirely if blood pressure, gout or fluid restriction is an issue.

Who should be cautious

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

Is Wine Bad for Your Kidneys?

Blood pressure and fluid

Alcohol acutely raises blood pressure and is a diuretic that promotes dehydration — a poor combination for CKD. For dialysis patients on strict fluid limits, every 175 ml glass of wine counts directly against the daily allowance with no nutritional benefit.

Gout and uric acid

Alcohol (especially beer and spirits, but wine too) raises serum uric acid and triggers gout flares. Gout and CKD frequently coexist; recurrent flares cause inflammation and may worsen renal function over time. If you have gout or a history of uric-acid stones, abstinence is safest.

Food first. If you are choosing a daily multivitamin alongside a balanced diet, Kidney Vitality was developed by a UK Consultant Nephrologist using renal nutrition principles. See the formulation.

The resveratrol myth

Headlines claim red wine's resveratrol is cardio-protective. A 175 ml glass contains < 1 mg resveratrol — far below studied doses. Any cardiovascular benefit from moderate wine is likely confounded by overall diet and lifestyle. Renal societies do not recommend wine for kidney protection.

Practical guidance

  • If you drink: ≤ 14 units/week, spread across 3+ days, with drink-free days.
  • A 175 ml glass (13% ABV) = 2.3 units; 250 ml = 3.3 units.
  • Choose lower-strength wines where available.
  • Avoid 'binge' drinking (saving units for the weekend).
  • Count wine in your daily fluid total if restricted.
  • Speak with your renal team before any alcohol if post-transplant or on immunosuppressants.
Is Alcohol Bad for Your Kidneys?
Related reading: Is Alcohol Bad for Your Kidneys?.

Key practical tips

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

  • Read labels: sodium ≤ 0.3 g per 100 g (low) is the target
  • Cook from scratch when you can — it controls the hidden salt and phosphate
  • Personalise potassium and phosphate targets with your renal dietitian

Clinical guidance

TL;DR summary

Wine is not 'good' for kidneys. If you choose to drink, keep within UK low-risk limits (≤ 14 units/week), spread across 3+ days, with drink-free days. Red wine has no proven renal protective effect. Avoid entirely if blood pressure, gout or fluid restriction is an issue.

Key takeaways
  • UK low-risk limit: ≤ 14 units/week, spread over 3+ days.
  • One 175 ml glass of 13% wine = ~ 2.3 units.
  • Alcohol raises blood pressure and interferes with fluid balance.
  • No evidence that red wine or resveratrol protects kidneys.
  • Avoid if on fluid restriction, gout-prone, or post-transplant without clearance.
Kidney Diet & Nutrition Considerations

On a kidney-friendly diet, single foods matter less than the overall pattern. Build meals around vegetables, lower-potassium fruit, whole grains, sensible protein and olive oil, and watch the three usual suspects — salt, phosphate additives and oversized portions of very high-potassium foods. Targets are individual and should be confirmed with your renal team.

Foods to prioritise

  • Vegetables and lower-potassium fruit at every meal
  • Whole grains: oats, basmati rice, pasta, wholegrain bread
  • Lean protein in modest portions: fish, chicken, eggs, tofu
  • Extra virgin olive oil, herbs and spices for flavour

Foods to limit

  • Added salt and salty sauces
  • Processed meats and foods with phosphate additives (E338–E452)
  • Very large portions of bananas, oranges, potatoes if potassium is rising

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 wine bad for kidneys?

In moderation wine is less harmful than beer or spirits for CKD, but it is not 'good' for kidneys. Alcohol raises blood pressure, dehydrates, adds fluid load, and can trigger gout flares. UK low-risk guidance is ≤ 14 units/week for both men and women.

Does red wine protect kidneys?

The 'French Paradox' and resveratrol headlines are not evidence that wine protects kidneys. The amounts of resveratrol in a glass of wine are tiny, and alcohol itself is a renal stressor. No renal society recommends wine for kidney health.

How much wine is safe with CKD?

The UK Chief Medical Officers' low-risk guideline is ≤ 14 units/week, spread over 3+ days, with drink-free days. In CKD stages 3–5, many nephrologists suggest lower limits (e.g. ≤ 7 units/week) or abstinence if blood pressure, gout or fluid is problematic.

What about wine and transplant medications?

Alcohol interacts with several immunosuppressants and can raise blood levels of calcineurin inhibitors unpredictably. Some transplant teams advise complete abstinence in the first 6–12 months post-transplant. Always check with your renal team.

What foods are best for kidney health?

A kidney-friendly diet centres on vegetables, lower-potassium fruit (apples, pears, berries), whole grains (oats, basmati rice, pasta), sensible portions of fish, eggs or lean meat, beans and lentils in modest portions, and olive oil as the main cooking fat — broadly a Mediterranean pattern with reduced salt.

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 UK Chief Medical Officers' low-risk drinking guidelines, NICE NG203 and KDIGO 2024.

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 Phosphorus
  • No Added Iron
  • UK Manufactured
  • 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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