Prolactin is a hormone your pituitary gland makes. In high amounts, it can cause milky nipple discharge, missed or irregular periods, low libido, and fertility problems in both men and women. The way to lower prolactin depends entirely on why it is high in the first place. Some causes respond to simple changes. Others need medication. A few need imaging or specialist care.
Your first step is not a supplement. It is a blood test to confirm the level is actually high, because stress, nipple stimulation, and even the timing of the draw can push a single reading up. Once a true elevation is confirmed, a doctor can look for the cause. That cause determines the treatment.
What Counts as High Prolactin?
Prolactin is measured in nanograms per milliliter (ng/mL). For most non-pregnant adults, a normal range sits roughly between 4 and 23 ng/mL, though reference ranges vary somewhat between labs. Men and women have similar thresholds outside of pregnancy and breastfeeding.
Mild elevations matter less than large ones. A level only slightly above the reference range is often explained by stress, recent exercise, a breast exam, or a medication. A level well above normal is more likely to point to a real medical cause and needs a proper workup.
One important exception: pregnancy and breastfeeding raise prolactin by design. That is normal physiology, not a disorder, and it should not be “treated.”
What Causes High Prolactin?
Finding the cause is the whole game. Lowering a number without knowing why it is high can miss something serious.
Common causes include:
- Medications. Some antipsychotics, certain antidepressants, and some nausea and heartburn drugs raise prolactin. This is one of the most frequent reasons.
- Prolactinoma. A small, usually benign tumor of the pituitary gland that makes prolactin. These are the most common hormone-producing pituitary tumors.
- Hypothyroidism. An underactive thyroid can raise prolactin because thyroid-releasing hormone also stimulates prolactin release.
- Kidney disease. The kidneys help clear prolactin, so reduced kidney function can raise levels.
- Pituitary or brain conditions. Anything pressing on the pituitary stalk can interfere with the brain’s normal brake on prolactin.
- Physical triggers. Chest wall injury, shingles over the chest, and chronic nipple stimulation can all raise prolactin.
This is why a doctor will usually ask about every medication and supplement you take, check thyroid and kidney function, and sometimes order an MRI of the pituitary. Skipping that step and jumping to a remedy is a mistake.
How To Lower Prolactin Levels With Medical Treatment
When a real cause is found, medical treatment is often highly effective. This is the part of the answer most people searching for “natural” fixes miss.
For a prolactinoma, the standard treatment is a class of drugs called dopamine agonists. These medicines mimic dopamine, the brain chemical that normally tells the pituitary to slow prolactin production. They lower prolactin and can shrink the tumor in most people. Two drugs in this class are widely used, and a doctor chooses based on your situation.
If a medication is the culprit, the fix may be switching or adjusting it. Never stop a prescribed psychiatric or heart medication on your own. Talk to the prescriber, because the underlying condition still needs treatment.
If hypothyroidism is the cause, treating the thyroid often brings prolactin back down on its own. If kidney disease is involved, managing that condition is the priority.
In short, the medical route is targeted. It treats the cause, not just the number.
Can You Lower Prolactin Naturally?
Here is where honesty matters. For a genuine prolactinoma or a medication-driven elevation, no lifestyle change will correct the underlying problem. Diet, herbs, and stress reduction are not substitutes for treating a tumor or adjusting a drug.
That said, a few natural factors do influence prolactin, mainly by removing triggers rather than by lowering the hormone directly.
Reduce chronic stress. Physical and emotional stress can raise prolactin. This is well established. Whether stress-reduction techniques reliably lower an elevated level on their own is less clear, but removing a known trigger is reasonable.
Review your supplements. Some supplements, including certain herbal blends marketed for hormone balance, are not well studied and could interact with medications or affect hormones. Bring your full list to a doctor or pharmacist.
Address nipple stimulation. Ongoing stimulation keeps prolactin elevated. If that applies, reducing it can help.
Treat underlying conditions. Getting hypothyroidism or kidney issues managed is a “natural” step in the sense that it works with your body, but it still requires medical care.
Be cautious with any product claiming to “balance hormones” or “lower prolactin naturally.” No well-designed human trials confirm that most of these supplements lower prolactin. Some carry real risks, including liver effects and drug interactions.
What About Diet and Specific Foods?
No specific food has been proven to lower prolactin in humans. Claims about certain seeds, herbs, or teas lowering prolactin are largely based on animal studies or traditional use, not on controlled human trials.
A balanced diet supports overall hormone health, and severe malnutrition or extreme dieting can disrupt many hormones. But eating or avoiding a particular food is not an established way to lower an elevated prolactin level.
If you read that a supplement “supports healthy prolactin levels,” understand that this is marketing language. It does not mean the product has been shown to lower prolactin in people.
When To See a Doctor
See a doctor if you have milky nipple discharge that is not related to breastfeeding, missed or irregular periods, unexplained infertility, low sex drive, or erectile problems. In men, high prolactin can also cause breast enlargement and reduced sperm production.
Seek care promptly for headaches with vision changes, since a larger pituitary tumor can press on the nerves that carry signals from your eyes. These symptoms need urgent evaluation, not a supplement.
A single high reading is not a diagnosis. Your doctor will usually repeat the test under calmer conditions before deciding what it means.
Comparing Natural and Medical Approaches
The table below shows the general direction of each approach. It is not a treatment plan, and it does not replace medical advice.
| Approach | Best suited for | Evidence strength |
|---|---|---|
| Dopamine agonist medication | Prolactinoma and many cases of high prolactin | Strong, well established |
| Adjusting a causative medication | Drug-induced elevation | Strong, well established |
| Treating hypothyroidism or kidney disease | Elevation caused by those conditions | Strong, well established |
| Stress reduction and removing triggers | Mild, trigger-related elevation | Limited for lowering prolactin directly |
| Herbal supplements marketed for prolactin | Not established | Weak or absent in humans |
The Bottom Line on Lowering Prolactin
Prolactin is not a number to attack blindly. It is a signal. When it is genuinely high, the cause decides the fix. For most people with a real elevation, that fix is medical: a dopamine agonist for a prolactinoma, a medication change for drug-induced cases, or treatment of an underlying thyroid or kidney problem.
Natural steps have a place, but a narrow one. Removing triggers like chronic stress and nipple stimulation is sensible. Expecting herbs or foods to correct a tumor or a medication effect is not supported by evidence.
Get the level confirmed. Find the cause. Then treat it. That order matters more than any single remedy.
Frequently Asked Questions
Can high prolactin be lowered without medication?
It depends on the cause. If a medication, stress, or nipple stimulation is responsible, removing that trigger may help, but a prolactinoma or thyroid problem usually needs medical treatment.
What foods lower prolactin levels?
No specific food has been proven to lower prolactin in humans. Claims about particular foods or teas are not supported by controlled human trials.
How long does it take to lower prolactin with treatment?
Dopamine agonist medications often lower prolactin within weeks, and levels are usually rechecked with blood tests to confirm the response. Your doctor sets the timeline based on your cause and treatment.
Is high prolactin dangerous?
Mild elevations are often harmless and reversible, but a large pituitary tumor can press on nearby structures and cause headaches or vision changes that need prompt care. Uncontrolled high prolactin can also affect fertility and bone health over time.

