Can Anxiety Help You Lose Weight?
Written By - Elira Stanswick
on June 8, 2025

Can Anxiety Help You Lose Weight?
Weight loss usually recalls images of hitting the gym, following a strict diet, and relying on strong willpower to see results. Do you know if there is something else related to your weight loss? What if your brain chemistry plays any role in this? Anxiety is one of the key factors that can affect mental health—and it can also have a noticeable impact on your body weight. The link between anxiety and losing weight is more complex as compared to change in appetite or energy spikes. In this article we will explore how mental health, stress and weight loss are linked and what are the risks behind.
1. Stress and Appetite: Why You’re Eating Less
While you experience a stressful situation, you may have noticed that, you eat too much or too little. This happens because of Anxiety which plays a large role in controlling your hunger. When your brain understands the threats , the fight or flight system of your body is activated. This in turn causes your body to release stress hormones such as Adrenaline and Cortisol which in turn reduce your hunger.
Adrenaline is one such hormone which stops your digestion temporarily because your body thinks that it is in danger and needs to get away immediately and so you feel nauseous, lose your appetite, or just forget to eat. While this loss of hunger may lead to you skipping meals and some minor weight loss, it comes at the grave cost of your mental clarity, nutrition and energy.
Over time, this anxiety can build up and make this pattern persistent. Long-term lack of appetite can cause nutrient deficiencies and can cause negative changes in your metabolism. You may lose weight due to stress however you need to check other healthier ways to manage emotions and diet.

2. Fight or Flight… or Fit?
Your fight or flight response not only affects your appetite but it also affects your metabolism. It gives your metabolism a short boost, when anxiety appears in your body, it thinks that you need to run or fight so it starts to burn me calories for energy meaning you lose calories during high stress especially if you move around restlessly.
That sounds like a decent aspect for losing weight, right? Not Really. While your body is working more and harder, it is doing so inefficiently. This energy burn due to stress is often followed by troubling effects such as breakdown of muscle, fatigue and can even cause increased fat storage due to elevated cortisol levels over time.
In addition, metabolic boosts due to anxiety are temporary. Once the stress hormones are levelled out, your metabolism resets to its original speed or slows down. This variable effect can also make it difficult to maintain your energy levels consistently or keep a healthy weight. Instead, a balanced approach to losing weight is always better than using Anxiety as supplement.
3. Anxiety-Driven Activity: Fidgeting, Pacing & More
If you’ve noticed yourself commonly nail biting, foot tapping or pacing. But you’re not alone in these. These are repetitive actions referred to as “non-exercise activity thermogenesis” or NEAT for short and can contribute towards some calorie burning. People experiencing higher levels of anxiety are known to engage in these behaviours even unconsciously.
NEAT activities include all those minor physical activities that you do outside exercise. Standing up, sitting down, fidgeting, etc all burn energy. While they are a good replacement for gym workouts, they do make a difference if done consistently throughout the day.
However, there’s a catch. These constant movements due to anxiety can also lead to many unwanted prizes such as Sleep Issues, Joint Pain and even Exhaustion. Hence it is important to balance your restlessness with breaks and calm activities. If Anxiety makes you get up and do more, move more then that’s great but just make sure to get some rest and get enough nutrition for your body so as to not break down.
4. Gut Feeling: The Role of the Microbiome in Mood and Weight Loss
Your brain and your gut are actually very deeply connected. It isn’t just a place where digestion takes place. Anxiety can influence your gut health greatly When you’re anxious, can become extremely unbalanced and can affect everything from your mood to your weight loss progress.
Stress hormones released in your system while you’re anxious can greatly change the delicate balance of your gut bacteria. This imbalance can in turn lead to poor nutrient absorption, bloating and some changes in fat storage. Researchers have even found that chronic anxiety and stress can change your gut microbiome in many ways that can make losing weight harder instead of easier.
But here’s the good part, improvement in your gut health can aid both your anxiety and weight loss efforts. Eating high fibre, fermented foods and reducing your sugar intake can all help have a healthier gut. While Anxiety may throw your digestion off the rails, you can also reset it back and aid your weight loss in the process.

5. Emotional Eating vs. Emotional Fasting
Anxiety can either make you eat more or completely negate eating. Emotional eating takes place when your continually eat for to comfort yourself of stress, sadness or boredom. On the other hand, Emotional fasting is when you do not eat because you’re way too anxious. Both of them are quite common reactions and can mess up your weight loss progress.
Some people use foods like sweets, carbs and chips as comfort foods to manage emotional discomfort but these foods can often lead to weight gain instead of loss. Emotional Eaters may find it difficult to stop once they start, creating this annoying, frustrating cycle of overeating and guilt.
Meanwhile on the other side of the spectrum, emotional faster may feel like relief initially. But the repeated skipping of meals can cause your body’s metabolism to slow down and hold onto your fat storages. Meaning that even if you’re not eating or eating less, you might be losing weight in a quite unhealthy way. Finding a balance by eating mindfully helps to break this cycle and support your physical and mental health.
6. Mindfulness Over Mayhem: Healthier Coping Strategies
If you still rely on your anxiety to lose weight, it’s about time you try a new and gentler approach. Being Mindful can really help you. It simply teaches you to pay attention to your emotions and thoughts without judging them and can help your respond to those with a calmer approach than being impulsive.
You can start slowly and small. Before you start eating, stop and ask yourself if you’re really eating because your hungry or just because you’re stressed. Try to take deep breathes in and out, slowly and steadily to calm yourself when feeling overwhelmed. This deep breathing helps you calm your nervous system down and help you emotional fasting or eating.
Learning mindfulness and introducing it into your daily life can also lead to improved sleep, mood and digestion which are all great contributors to weight loss. Keep in mind that losing your weight with the help of anxiety isn’t a goal. Feeling good overall in your body and in your mind is the true goal. When you start to take care of your own mental health, your physical health will soon follow.
Conclusion: Is It Really Worth It?
While anxiety may lead to some minor weight changes, it is not really a safe nor an effective way to manage your own health. Your stress and weight may be connected but this connection should serve as an indicator to take care of your own mind and body and not neglect them. Losing weight intentionally through proper strategies is always substantially better than losing weight accidently through stress and anxiety and when you focus on healing from the inside and out, all of you benefits greatly. So instead of going for Anxiety for a better waistline try to go the happier, healthier way.
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