Medical News Today: What foods are good for an enlarged prostate?

The prostate gland is a small, walnut-shaped gland that sits behind the bladder in men. During sexual activity, the prostate gland helps produce semen, the nutrient-rich fluid that carries the sperm during ejaculation.

As some men get older, the prostate gland can become enlarged, a condition known as benign prostatic hyperplasia, or BPH.

In this article, learn what foods to eat to ease the symptoms of BPH.

Diet and an enlarged prostate

Strawberries, blueberries, raspberries, and blackberries in a bowl as part of the diet for an enlarged prostate.
Strawberries, blueberries, raspberries, and blackberries are recommended as part of an enlarged prostate diet.

The prostate gland is controlled by powerful hormones known as the sex hormones, including testosterone.

In the prostate gland, testosterone is converted to another hormone called dihydrotestosterone (DHT). High levels of DHT cause the cells in the prostate to enlarge.

Certain foods and beverages are known to have an impact on prostate health because of their effects on testosterone and other hormones.

Research has found that a diet primarily consisting of meat or dairy products can increase the risk of prostate enlargement and cancer. This is especially true if a person does not incorporate enough vegetables into their diet.

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Foods to eat

A diet rich in fruits, vegetables, and healthy fats is thought to protect the prostate.

Specific foods known to benefit the prostate include:

  • Salmon: Salmon is rich in healthy fats that contain omega-3 fatty acids, which help prevent and reduce inflammation within the body. Other cold-water fish, such as sardines and trout, are also rich in these types of fats.
  • Tomatoes: Tomatoes are packed with lycopene, an antioxidant that may benefit prostate gland cells. Cooking tomatoes, such as in tomato sauce or soup, helps to release the lycopene and make it more readily available to the body.
  • Berries: Strawberries, blueberries, raspberries, and blackberries are excellent sources of antioxidants, which help to remove free radicals from the body. Free radicals are the byproducts of reactions that occur within the body and can cause damage and disease over time.
  • Broccoli: Broccoli and other cruciferous vegetables, including bok choy, cauliflower, Brussels sprouts, and cabbage, contain a chemical known as sulforaphane. This is thought to target cancer cells and promote a healthy prostate.
  • Nuts: Nuts are rich in zinc, a trace mineral. Zinc is found in high concentrations in the prostate and is thought to help balance testosterone and DHT. Besides nuts, shellfish and legumes are also high in zinc.
  • Citrus: Oranges, lemons, limes, and grapefruits are all high in vitamin C, which may help to protect the prostate gland.
  • Onions and garlic: One study found that men with BPH tended to eat less garlic and onions that men without BPH. More research is needed to confirm these results, but onions and garlic are healthful additions to most diets.

Also, some studies on plant extract therapies, such as an extract from a type of palm tree known as saw palmetto, have been shown to have a positive impact on the prostate size and urinary flow. More research is needed, however.

Foods to avoid

black coffee in two cups on wooden table.
Caffeine should be avoided as part of a diet for an enlarged prostate.

A healthful diet for an enlarged prostate is more than just eating good foods. It also means avoiding other types of foods that are not good for the prostate.

Some foods to avoid include:

  • Red meat: Research suggests that going red meat-free may help improve prostate health. In fact, daily meat consumption is believed to triple the risk of prostate enlargement.
  • Dairy: Similarly to meat, regular consumption of dairy has been linked to an increased risk of BPH. Cutting out or reducing butter, cheese, and milk may help reduce BPH symptoms.
  • Caffeine: Caffeine may act as a diuretic, which means that it increases how much, how often, and how urgently a person has to urinate. Cutting back on coffee, tea, soda, and chocolate may improve urinary symptoms of BPH.
  • Alcohol: Alcohol can also stimulate urine production. Men with BPH may find that their symptoms are improved by giving up alcohol.
  • Sodium: A high salt intake may increase the urinary tract symptoms associated with BPH. Following a low-sodium diet by not adding salt to meals and avoiding processed foods may be helpful for some men.

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Managing an enlarged prostate

Dietary changes can be quite effective in managing some of the symptoms of BPH, but other basic lifestyle changes can help as well.

Some strategies that may ease BPH symptoms include:

  • managing stress
  • quitting smoking
  • avoiding fluids in the evening to reduce nighttime urination
  • emptying the bladder completely when urinating
  • doing pelvic floor exercises
  • avoiding medications that can worsen symptoms, such as antihistamines, diuretics, and decongestants if possible
  • trying bladder training exercises
  • limiting fluid intake to 2 liters of liquids each day

If these lifestyle changes are not effective, medication or surgery may be recommended by a doctor.

Enlarged prostate symptoms

Older man sitting on edge of bed.
The symptoms of an enlarged prostate may include difficulty urinating and pain after ejaculation.

An enlarged prostate or BPH is fairly common. Over 14 million men in the United States experienced BPH symptoms in 2010.

Symptoms of BPH include:

  • increased urinary frequency and urgency
  • difficulty starting urination
  • weak urine stream or dribble at the end of urination
  • interrupted urination
  • frequent urination at night
  • incontinence
  • pain after ejaculation
  • painful urination
  • urinary retention or inability to urinate

These symptoms occur when an enlarged prostate gland blocks the urethra, the tube that runs between the bladder and outside of the body. This blockage can make it difficult or even impossible to pass urine.

Treating BPH depends on the severity of the symptoms. Sometimes, only basic lifestyle changes are needed.

However, there are also medications or surgical procedures that can be effective in reducing the size of the prostate or the symptoms associated with BPH.

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Treating BPH can range from making simple lifestyle and dietary changes at home to medication and surgery. Reducing red meat consumption and eating plenty of fruits and vegetables can help manage symptoms.

It is important to stay in communication with a doctor about symptoms, particularly if the doctor suggested a “watch and wait” approach.

If the suggested lifestyle changes are not effective in reducing the symptoms, more aggressive treatment may be needed.

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