Can apple cider vinegar reduce water retention?

Water retention, also known as edema, occurs when excess fluids build up in the body. This can cause swelling in the hands, feet, ankles, and legs. While mild water retention is common, especially in women due to hormonal changes, chronic or severe water retention may indicate an underlying health condition. Exploring natural methods to reduce water retention can provide relief from uncomfortable swelling. Apple cider vinegar (ACV) has emerged as a popular natural remedy for water retention, but does it actually work?

What Causes Water Retention?

There are several possible causes of excess water retention:

  • Hormonal changes – Fluctuations in hormones like estrogen can influence fluid regulation.
  • High sodium intake – Consuming too much sodium causes the body to retain water to dilute the sodium.
  • Liver or kidney disease – Impaired kidney or liver function can disrupt fluid balance.
  • Congestive heart failure – Poor heart function causes fluid buildup in the limbs.
  • Lymphedema – Blocked lymphatic system prevents drainage of fluid.
  • Medications – Drugs like corticosteroids, NSAIDs, calcium channel blockers, and antidepressants may have water retention as a side effect.
  • Inactivity – Sitting or standing for long periods can lead to edema in the lower limbs.
  • Obesity – Excess weight puts pressure on the body, especially the lower half, which can impair circulation and cause swelling.
  • Pregnancy – Increased progesterone during pregnancy leads to fluid accumulation.

Identifying and addressing the underlying cause, such as changing medications, reducing sodium, or losing weight, is key to resolving chronic water retention. Lifestyle and dietary changes may help reduce mild to moderate fluid retention.

Apple Cider Vinegar and Water Retention

Apple cider vinegar (ACV) is a vinegar made from apple cider that has been fermented. It’s gained popularity as a health tonic that provides many purported benefits, including reducing water retention. But is there any scientific evidence to back up using ACV for edema?

Claims about ACV and Water Retention

Here are some of the main claims about using ACV to reduce water retention:

  • It acts as a natural diuretic, increasing urine output to flush out excess fluids.
  • It improves circulation by dilating blood vessels.
  • It contains potassium which helps balance sodium levels.
  • It helps detoxify the liver and kidneys.
  • The acids in ACV may stimulate lymphatic drainage.

Most claims about ACV and edema cite its potential diuretic effects. By increasing urine production and frequency, it may help flush excess retained fluids from the body. Some also believe ACV improves circulation and lymph drainage to further reduce swelling.

Limitations of Research on ACV

While ACV shows promise for reducing mild water retention, there are some limitations with the current research:

  • Most evidence is anecdotal – There are few robust clinical studies on using ACV specifically for edema.
  • Lack of standard dosage – Optimal doses aren’t well established.
  • Short study durations – Long term efficacy and safety remain unclear.
  • Small sample sizes – Larger scale studies are needed.
  • Can interact with medications – Diuretic effects may be problematic for some medications.

More rigorous research is still needed to validate claims that ACV reduces fluid retention and determine safe protocols. ACV should not replace medical treatment for chronic or severe edema.

How Apple Cider Vinegar May Reduce Water Retention

While clinical evidence may be limited, there are some ways ACV may help reduce mild to moderate fluid retention:

Acts as a Natural Diuretic

ACV may increase urine production and frequency, similar to a diuretic medication. This can help flush out excess fluids before they accumulate in the tissues. It may induce diuresis by:

  • Increasing kidney blood flow and glomerular filtration rate.
  • Blocking the anti-diuretic hormone vasopressin.
  • Inhibiting sodium and chloride reabsorption in the kidneys.

However, more human studies are needed to confirm ACV has these effects.

Provides Potassium

ACV contains potassium, an essential electrolyte that helps regulate fluid balance by controlling sodium levels and osmotic pressure. Insufficient potassium intake allows sodium to be retained. Getting adequate potassium from ACV and foods like bananas may prevent excess sodium retention.

Nutrient Amount in 1 tablespoon ACV
Potassium 11mg

May Improve Circulation

Some evidence suggests ACV may enhance blood circulation by dilating blood vessels. Improved circulation may reduce edema by:

  • Enhancing blood flow to efficiently transport fluid out of tissues.
  • Reducing pressure on blood vessels that leads to leakage of fluid into tissues.
  • Helping nutrients reach cells to improve lymphatic and vascular function.

However, strong clinical evidence for ACV improving circulation in humans is lacking.

Stimulates Lymphatic Drainage

The lymphatic system drains excess interstitial fluid from tissues. Some theories suggest the acids in ACV may stimulate lymph vessels and nodes to enhance drainage of this fluid back into the bloodstream. This helps prevent the fluid from accumulating and causing swelling. But there is currently little evidence to confirm that ACV stimulates lymphatic drainage.

Is Apple Cider Vinegar Safe?

When used appropriately, ACV is generally safe for most people. However, there are some safety considerations:

  • Dosage – Excessive doses may lower potassium too much. Stick within recommended dosage guidelines.
  • Dilution – ACV is acidic and can damage tooth enamel and tissues. Always dilute with water before drinking.
  • Medications – The diuretic effect may increase potency of diuretics and laxatives. Consult your doctor before using ACV if you take any medications.
  • GI side effects – ACV may cause nausea, throat irritation, or reflux symptoms in some individuals.
  • Erosion of enamel – Frequent use can wear away tooth enamel. Rinse mouth after drinking ACV.
  • Low potassium – Those already at risk of low potassium should use ACV cautiously and monitor levels.

Pregnant or breastfeeding women should avoid using ACV due to lack of safety research. While rare, ACV has been associated with throat burns when consumed undiluted.

How to Use Apple Cider Vinegar for Water Retention

To maximize potential benefits for edema while minimizing risks, here are some tips for using ACV safely:

  • Dilute 1-2 tablespoons ACV in 8 ounces of water.
  • Drink the mixture up to 2 times per day, with meals.
  • Use raw, unfiltered ACV which contains the “mother” for probiotics.
  • Start with small doses of 1 teaspoon and gradually increase to avoid side effects.
  • Consume ACV through a straw to prevent contact with tooth enamel.
  • Rinse mouth with plain water after drinking ACV.
  • Avoid consuming ACV for more than 2 weeks continuously.
  • Talk to your doctor before using ACV if you take medications or have health conditions.
  • Monitor for side effects like digestive issues, tooth enamel erosion, dizziness or headaches.

ACV may provide more benefits for water retention when combined with other natural diuretics like dandelion, green tea, parsley, and foods rich in potassium like avocados and spinach.

Other Remedies to Reduce Water Retention

Along with ACV, there are many other home remedies that may help alleviate swelling from mild edema:


Dandelion acts as a natural diuretic and may enhance urine output to reduce fluid buildup. The roots, leaves, and tea may be consumed.


Increasing magnesium intake helps regulate electrolyte balance and reduce fluid accumulation. Foods like spinach, nuts, seeds, beans, avocados, and whole grains are high in magnesium.


Parsley has mild diuretic effects to increase urine flow. Enjoy it fresh or as a tea.


Physical activity improves circulation and lymphatic drainage and helps flush excess fluids from swollen areas.


Keeping legs elevated periodically throughout the day utilizes gravity to improve fluid drainage.

Compression Socks

Graduated compression socks or stockings apply gentle pressure up the legs to help pump fluid back into circulation.

When to See a Doctor

While the above remedies may help reduce mild swelling, seek medical advice if you experience:

  • Severe or widespread swelling
  • Rapid weight gain from fluid retention
  • Swollen abdomen or abdominal pain
  • Shortness of breath
  • Discolored or hardened skin around swollen areas
  • Dizziness, confusion, seizures or unconsciousness

These may indicate a serious medical condition requiring treatment. Chronic, recurring edema that persists despite lifestyle changes warrants medical investigation as well.


Apple cider vinegar is gaining popularity as a natural remedy for reducing water retention and edema. While ACV shows promise due to its potential diuretic effects and ability to provide potassium, substantial clinical evidence confirming its efficacy and safety for edema specifically is lacking. ACV appears to be most effective for mild to moderate swelling when used short-term along with other lifestyle modifications.

Those with chronic edema issues should consult their doctor to identify and treat any underlying condition. While ACV may provide some additional relief in these cases, it should not replace medical treatment. Overall, more high quality research is required to establish ACV protocols and verify its utility as a therapy for excess fluid retention.

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