Are You Exhausted? The Prolactin Connection

by Deborah Maragopoulos FNP | Jul 3, 2024 | Hypothalamus | 2 comments

What’s the impact of prolactin on your health?

Let's talk about it. 

Prolactin is a really important hormone but usually not measured.

Prolactin is produced by the hypothalamus and released by the pituitary at night. High levels of prolactin during the day or dyscircadian hyperprolactinemia is seen in patients with autoimmunity, obesity, immune system dysregulation, and hypersensitivity. 

Hyperprolactinemia means your prolactin levels are way above normal day and night. This can be caused by a hypothalamic dopamine deficiency because it’s dopamine that turns off prolactin. A pituitary microadenoma can also overproduce prolactin. 

It is important to keep your prolactin levels in circadian rhythm.

  • High daytime prolactin levels can cause fatigue, difficulty concentrating, and slow metabolism leading to weight gain.
  • Infertility can be caused by high prolactin levels.
  • High prolactin also blocks hormone receptor sites which will interfere with the activity of estrogen, progesterone, testosterone, as well as adrenal steroids. 

To reduce prolactin, you must raise dopamine.

In order to raise dopamine naturally, you have to support your hypothalamus. Hypothalamic dopamine is the key regulator of prolactin. Optimal hypothalamic function means you produce enough prolactin at night to modulate your immune system, but low levels during the day to prevent blocking hormone receptors, 

Supporting your hypothalamus with Genesis Gold® will help to normalize hypothalamic production of prolactin to optimal levels, reset your circadian rhythm, improve immune function and prevent hormone dysregulation from high prolactin levels. 

If you have a documented pituitary adenoma, you may need a dopamine agonist to lower your prolactin levels. 

Otherwise getting enough sleep in the dark helps to reset your circadian rhythm and induce nocturnal prolactin production. Then getting up with the sun will help to suppress daytime prolactin so that you have healthy normal metabolism during the day.

If you have questions, please join us in our Hormone Reboot Training.

Hormone Reboot Training

Frequently Asked Questions:

Can your hypothalamus cause weight gain?

Yes. The hypothalamus is the master regulator of metabolism, controlling how your body stores and burns energy through its signaling to the thyroid, adrenals, and pancreas. When the hypothalamus becomes dysregulated by chronic stress, poor sleep, inflammation, or blood sugar instability, it defends a higher weight "set point" — causing the body to hold onto fat regardless of diet or exercise. This makes hypothalamic dysfunction an upstream root cause of stubborn weight gain.


What is a weight set point and why won't mine move?

A weight set point is the body weight your hypothalamus works to defend, calibrated over time by stress, sleep, hormones, and inflammation. When you diet, the hypothalamus perceives scarcity and responds by slowing metabolism, increasing hunger hormones, and suppressing satiety signals to return you to that set point. This is why most people regain lost weight within two to five years of conventional dieting — the set point itself was never recalibrated, only temporarily overridden.


Why do I gain weight under stress even when I'm not eating more?

Chronic stress raises cortisol, which disrupts blood sugar regulation, promotes abdominal fat storage, and signals the hypothalamus that the body is under threat. In survival mode, the hypothalamus defends fat stores and slows metabolism — so weight can increase even without any change in calorie intake. The stress chemistry, not the food, is driving the weight gain, which is why stress reduction is essential to any lasting metabolic reset.


Why do I regain weight after stopping GLP-1 medications?

GLP-1 medications work peripherally on appetite and gastric signaling, but they do not address the underlying hypothalamic dysregulation that sets your defended weight. Because the hypothalamic set point is never recalibrated, the body resumes defending its original weight once the medication stops — leading to significant regain. Long-term success requires restoring hypothalamic regulation so the set point itself lowers, rather than relying on appetite suppression alone.


How long does it take to reset your metabolism?

Genuine metabolic recalibration takes a minimum of 90 days, because the hypothalamus needs consistent signals of safety and sufficiency before it will lower its defended set point. This differs from a diet, which produces temporary suppression the body quickly corrects. A 90-day reset typically moves through three phases: stabilizing stress chemistry (days 1–30), rebuilding metabolic efficiency (days 31–60), and lowering the weight set point (days 61–90).


Why does my thyroid feel slow even though my labs are "normal"?

Under chronic stress, the body converts thyroid hormone into reverse T3, which blocks active thyroid receptors and slows metabolism at the cellular level — even when standard lab values appear normal. This means you can experience genuine symptoms of slow metabolism, such as fatigue, cold intolerance, and brain fog, while your thyroid panel looks unremarkable. Addressing the upstream hypothalamic and stress signaling often improves thyroid conversion and symptoms.


Is stubborn weight gain a willpower problem?

No. Stubborn weight gain is a signaling problem, not a willpower problem. The hypothalamus governs weight through survival mechanisms that operate below conscious control — defending its set point by slowing metabolism and increasing hunger when it perceives threat. No amount of discipline can override this system; lasting change comes from restoring hypothalamic regulation through reduced stress, balanced blood sugar, restorative sleep, and targeted nutritional support.

About the Author - Deborah Maragopoulos FNP

Known as the Hormone Queen®️, I’ve made it my mission to help everyone - no matter their age - balance their hormones, and live the energy and joy their DNA and true destiny desires. See more about me my story here...

     

Last Updated: July 3, 2024

2 Comments

  1. Robert

    Hey,

    The picture with the ingredient list for Genesis Gold is unreable due to small size and poor image quality. Can you provie the list?
    Is this good for men as well?

    Reply

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