Celery: This Crisp Green Vegetable May Support Your Blood Pressure, Digestion and Overall Health
Celery may look like a simple vegetable, but it contains water, fiber and a variety of plant compounds that make it a useful addition to a balanced diet. It has also attracted scientific interest for its potential effects on blood pressure, blood sugar and blood fats.
However, celery should not be described as a “blood cleanser” or a cure for kidney, liver or pancreatic problems. Your liver and kidneys already perform the body’s major detoxification and waste-removal functions, and there is no proven celery recipe that can cleanse these organs in a single step. Evidence for commercial “detox” diets and cleanses is also limited.
Why Celery Gets So Much Attention
Celery contains naturally occurring compounds such as flavonoids and other phytochemicals. Research has investigated these compounds for their antioxidant and anti-inflammatory properties, while clinical studies have explored celery’s possible effects on metabolic health.
A 2025 systematic review and meta-analysis of randomized controlled trials involving 511 adults found that celery preparations were associated with improvements in systolic and diastolic blood pressure, fasting blood glucose and triglycerides. However, the researchers also noted substantial variation between studies and called for larger, higher-quality trials.
A Simple Way to Enjoy Celery
Instead of using celery as an extreme “cleanse,” simply include it regularly in your meals.
Celery and Lemon Water
Ingredients:
- 2–3 fresh celery stalks
- 1 cup water
- A small squeeze of fresh lemon, if desired
Directions:
Wash the celery thoroughly and chop it into small pieces. Add it to a blender with the water and blend until smooth. Strain if you prefer a thinner drink, although keeping the pulp provides more of the vegetable’s fiber.
Add a little lemon for flavor and drink it fresh.
This beverage can be a refreshing way to consume celery, but it should be viewed as part of a healthy diet rather than a treatment or detoxification cure.
Potential Benefits of Eating Celery
1. May Support Healthy Blood Pressure
Research suggests celery preparations may have a blood-pressure-lowering effect. A recent meta-analysis found reductions in both systolic and diastolic blood pressure, although more research is needed to determine the most effective form and amount.
2. May Help Support Metabolic Health
Some clinical research has found potential improvements in fasting blood glucose and triglycerides following celery interventions. These findings are promising but do not mean celery can replace diabetes or cholesterol medication.
3. Provides Plant Compounds
Celery contains flavonoids and other phytochemicals that have been studied for their antioxidant and anti-inflammatory activity. These compounds are one reason celery continues to receive attention in nutrition research.
4. Adds Water and Fiber to the Diet
Celery has a high water content and contributes dietary fiber, making it an easy addition to salads, soups, stews, sandwiches and smoothies.
What About the Kidneys and Liver?
Celery is sometimes promoted online as something that “flushes” or “cleans” the kidneys and liver. That wording is misleading.
Eating celery can certainly be part of a healthy eating pattern, but there is not sufficient evidence that celery juice or celery water removes toxins from the liver or kidneys. The body already has sophisticated systems for processing and eliminating waste, and extreme detox programs can sometimes be harmful.
The Best Way to Use Celery
You don’t need to drink large quantities of celery juice or follow a restrictive cleanse. Try adding fresh celery to:
- Salads
- Soups
- Homemade vegetable juices
- Smoothies
- Chicken or tuna salad
- Stir-fries
- Vegetable snacks with yogurt or hummus
The goal is consistency and variety rather than relying on one food to solve multiple health problems.
A Simple Reminder
Celery is a nutritious vegetable with promising research behind some potential cardiometabolic benefits, but it is not a miracle cure. If you have high blood pressure, diabetes, kidney disease, liver disease or another medical condition, use celery as part of your overall diet and continue following your healthcare professional’s treatment plan.
Bottom line: celery can be a healthy addition to your daily diet, but it is more accurate to think of it as a nutrient-rich vegetable that may support overall health—not a one-step detox for the blood, kidneys, liver or pancreas.