What Causes Chemical Imbalance in the Brain?

by Deborah Maragopoulos FNP | Feb 10, 2023 | Mind/Body, Blog | 0 comments

If you have a chemical imbalance in the brain, that means that you’re not producing adequate amounts of neurotransmitters. You have imbalances between your serotonin and dopamine levels, you’re not producing enough GABA, or you’re producing too much or too little norepinephrine.

A chemical imbalance in the brain can lead to learning disabilities, memory issues, and mood disorders, including depression and anxiety.

Many people aren’t aware of this, but one of the main causes of brain chemistry imbalance is malnutrition.

Yes, a lack of proper nutrients can actually disturb your brain chemistry. Not consuming enough protein for your lean body mass means your brain will not get enough amino acids to produce neurotransmitters. Not getting enough omega three fatty acids in your diet, which have a neuroprotective effect, can affect the neurons’ ability to create receptor sites to then receive neurotransmitters, causing greater brain chemistry imbalance.

Toxicity is another cause for brain chemistry imbalances.

Toxicity can include heavy metals, pesticides, and even infectious agents that cause damage to the neurons and their receptor sites. Certain medications can also cause brain chemistry imbalance, while some are intended to correct imbalances, like antipsychotics. This is why it’s important to know what you’re ingesting, since food, supplements, and medications can affect your brain chemistry.

High levels of stress can affect brain chemistry.

If the stress occurs over prolonged periods of time, or if there is an acute stressor that is very traumatic, it can severely disrupt the production of neurotransmitters, causing an imbalance in brain chemistry.

An unhealthy gut, especially with a damaged epithelial lining, known as leaky gut syndrome, can affect brain chemistry.

Studies show that the microbiota of the gut reflects neurotransmitter production, both in the gut and in the brain. So people with depression have certain microbiota that’s out of balance. Healing gut imbalances can help to heal brain chemistry imbalances.

Sometimes, brain chemistry imbalances are genetically predisposed.

Luckily, using supplementation to help balance your hypothalamus (and your brain) is absolutely necessary and efficient in healing brain chemistry imbalances. I’ve seen quite a bit of success using Genesis Gold® and Sacred Seven® to heal brain chemistry imbalances.

If you have any questions regarding the causes of imbalanced brain chemistry, please join me in our Hormone Support Group. You can access it through my free 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...

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Last Updated: January 26, 2023