You've probably experienced it: the good feeling after a run, a hearty laugh, or a delicious meal. Much of that feeling is due to endorphins – the body's own "happiness hormones." But what exactly are endorphins, how do they work, and what does it mean for your body if your levels are low for a period? In this post, we delve into the role of endorphins in the body and how they relate to the rest of your hormonal balance.
What are endorphins?
Endorphins are a group of neurotransmitters produced in the brain, primarily in the pituitary gland and hypothalamus. The name is a contraction of "endogenous morphine," because endorphins have an effect similar to morphine and other opioids – they bind to the same receptors in the nervous system and can therefore both relieve pain and induce a feeling of well-being.
How do endorphins work in the body?
When endorphins are released, they bind to opioid receptors in the brain and spinal cord. This has two primary effects: a pain-relieving effect and a feeling of euphoria or well-being. This mechanism is part of the body's natural defense system – in situations of physical exertion, stress, or injury, the body releases endorphins to help you function, even under strain. This is partly why many people find that pain can feel less intense in the midst of a stressful or physically demanding situation than it does afterwards.
What triggers endorphins?
There are several natural ways for the body to release endorphins:
- Physical activity – especially during prolonged, moderate to high intensity, known as "runner's high"
- Laughter – even the anticipation of laughter can increase endorphin levels
- Spicy food – capsaicin in chili can trigger a mild pain response, which the body answers with endorphins
- Music – especially when listening to music that gives you goosebumps or strong emotions
- Massage and acupuncture – both are associated with increased endorphin release
- Social contact and intimacy – presence with other people can increase levels
- Sunlight – exposure to daylight is associated with improved mood, partly through endorphins
Endorphins and pain relief
The pain-relieving properties of endorphins are one reason why regular exercise is often recommended as part of the treatment for chronic pain conditions. By activating the body's own endorphin system, physical activity can help reduce the experience of pain over time – without the side effects that can accompany pain medication. However, it is important to emphasize that endorphins are not a substitute for medical treatment of underlying pain conditions, but a supplement that can support the overall effort.
What happens if you lack endorphins?
A persistently low endorphin level is not a diagnosis in itself, but it can be associated with a range of symptoms that many people recognize during periods of stress or malaise:
- Decreased pain threshold or increased sensitivity to pain
- Lower mood and less resilience to stress
- Increased craving for "comfort eating," especially sweet or fatty foods
- General feeling of "lacking energy" or joy in everyday life
Since these symptoms are also seen in several other forms of hormonal imbalance, it is rarely possible – or necessary – to point to endorphins as the sole cause in isolation.
The connection between endorphins and other hormones
Endorphins do not work in isolation. They are part of a complex interplay with other hormones such as cortisol (the stress hormone), serotonin, and dopamine. If you are under long-term stress, for example, this can affect this balance and make it harder for the body to utilize its own endorphin system optimally. This is one reason why symptoms such as low energy, sleep difficulties, and mood swings are rarely caused by a single hormone, but rather an interplay that is best understood through a broader hormone analysis rather than focusing on a single neurotransmitter.
How to naturally increase your endorphins
The good news is that endorphin levels can largely be influenced through simple, daily habits: regular exercise, sufficient sleep, social interaction, time outdoors in daylight, and activities that bring you joy – whether it's laughter, music, or a good meal. Combined with healthy stress management, these measures can support both your mood and your general hormonal balance over time.
Endorphins vs. other "happiness hormones"
Endorphins are often mentioned alongside other neurotransmitters like dopamine, serotonin, and oxytocin, but they have different functions:
- Dopamine is closely linked to motivation and reward – the feeling of anticipation and satisfaction when you achieve something
- Serotonin is central to mood regulation and the feeling of general well-being and calmness
- Oxytocin is often called the "bonding hormone" and is released during physical intimacy, trust, and social contact
- Endorphins differ primarily by being the body's response to physical or psychological stress – they alleviate pain and create well-being in situations where the body needs to "cope"
In practice, these substances work together, and a well-functioning hormonal balance rarely depends solely on just one of them in isolation.
Frequently asked questions about endorphins
Can you measure your endorphin level with a blood test?
Unlike hormones such as testosterone, estrogen, or vitamin D, endorphins are not a marker routinely measured in clinical practice, partly because the level fluctuates very rapidly and situationally. If you experience symptoms that could resemble low endorphins, it therefore typically makes more sense to investigate the underlying and measurable factors, such as stress hormones, metabolism, or vitamin status.
How long does the effect of endorphins last?
This varies greatly from person to person and depends on what triggered the release. After exercise, for example, the feeling of well-being can last from a few minutes to several hours.
Are endorphins addictive?
Endorphins are the body's own natural neurotransmitters and differ from addictive substances like opioid medication. However, this does not change the fact that activities that release endorphins – such as exercise – can become a healthy and positive habit in themselves.
Get a complete overview of your hormonal balance at Valida Health
If you experience persistent low energy, increased pain sensitivity, or mood swings, it may be worth investigating if there are other underlying hormonal factors at play – for example, hormonal imbalance, metabolic problems, or vitamin deficiency. At Valida Health, you can get a health check-up that gives you a comprehensive picture of what affects your energy level and well-being.
Book an appointment with Valida Health today and gain clarity about your hormonal balance.
