Why Skipping Meals Might Be Sabotaging Your Weight Loss Journey
By Nikki Hoare
Do you ever skip meals to lose weight? This month's blog explains why it's a bad idea
By Nikki Hoare
If you're a woman working towards sustainable weight loss, you might think that skipping meals—whether it's breakfast, lunch, or dinner—is a quick way to cut calories and accelerate your progress. I understand the logic—fewer meals mean fewer calories, right? But what if I told you that this well-intentioned strategy might actually be working against your weight loss goals?
When we skip any meal throughout the day, we're not just missing out on fuel—we're potentially disrupting our body's natural rhythm in ways that can make weight loss more challenging. Research shows that women who skip meals regularly may experience several physiological changes that can impact their weight loss journey, regardless of which meal is skipped.
One of the most significant findings in recent research is how meal skipping affects our stress hormone, cortisol. When you skip any meal, your body perceives this as a stressor and begins to produce more cortisol, which in turn blocks leptin (your satiety hormone), leading to weight gain, particularly in the abdominal area.
Studies specifically on breakfast skipping show that women who regularly skip their morning meal display disrupted cortisol patterns, with higher levels persisting into the afternoon. However, research also indicates that dinner skipping affects cortisol differently—reducing evening cortisol while raising morning levels, showing that each meal plays a unique role in our hormonal rhythm.
When your body perceives meal skipping as a stressor, it responds by trying to protect you—often by encouraging you to seek out high-calorie foods later and by slowing down your metabolism.
When Your Body's Natural Signals Get Confused
Here's something that might surprise you: you could be eating a perfectly healthy diet with nutritious foods and no snacking, but still struggle with weight loss simply because of meal skipping. This happens because skipping meals disrupts your body's natural hunger and fullness signals.
Your body has two key hormones that work together like a well-choreographed dance: ghrelin (which tells your brain "I'm hungry") and leptin (which says "I'm satisfied, stop eating"). When these hormones work in harmony, you naturally know when to start eating and when to stop.
But when you skip meals regularly, this delicate communication system gets thrown off balance. Your body becomes less reliable at telling you when you're truly hungry versus when you've had enough. It's like having a conversation where the other person keeps cutting out—the messages get mixed up.
The Overeating Trap
Even if you're making excellent food choices, meal skipping often leads to unconsciously eating larger portions when you do eat. This isn't about willpower or cravings for unhealthy foods—it's your body's survival mechanism kicking in.
Research shows that our bodies are programmed to get as much energy as possible, so we sometimes "bypass" those fullness cues, which can cause us to overeat. Your body is essentially trying to make up for the missed nutrition from earlier, but unfortunately, it often overcompensates in ways that don't support your weight loss goals.
This creates a frustrating cycle: you might feel like you're doing everything right nutritionally, but your eating patterns are working against your body's natural appetite regulation system.
Metabolic and Circadian Rhythm Disruption
Studies have shown that people who skip meals regularly have a higher prevalence of metabolic issues. Research indicates that skipping meals rarely results in weight loss for the long term and can negatively impact your metabolism.
Perhaps most importantly, meal timing emerges as a crucial factor influencing metabolic health due to the tight interaction between your body's internal clock and metabolic processes. When you disrupt your natural feeding and fasting patterns by skipping meals, you're altering how your body processes nutrients from your diet, including calories from sugars and fats.
This disruption to your circadian rhythm significantly impairs your metabolic balance and is associated with weight gain and obesity. Your body thrives on routine and predictability, and irregular meal patterns can throw this delicate system off balance.
Additionally, meal skippers often have lower intake of essential nutrients including folate, calcium, iron, and vitamins A, B1, B2, B3, C, and D. These nutritional deficiencies can affect energy levels, mood, and overall wellbeing—all factors that influence your ability to maintain healthy lifestyle changes.
A Compassionate Approach to Regular Meals
I want to be clear: this isn't about perfection or rigid meal timing. If you naturally prefer smaller, more frequent meals or have specific dietary needs, that's perfectly valid. The goal is to find a sustainable eating pattern that works for your body while understanding how different choices might affect your weight loss journey.
The key insight here is that you might be eating all the right foods and avoiding unhealthy snacks, but still struggling with weight simply because your meal timing is confusing your body's natural signals. It's not about what you're eating—it's about when and how consistently you're eating.
Consider regular meals as an opportunity to:
Stabilise your blood sugar levels for more consistent energy throughout the day
Provide your body with essential nutrients to support your metabolism
Establish a routine that supports your overall wellbeing and circadian rhythm
Reduce the likelihood of energy crashes and intense cravings
Maintain healthy hormone balance
Keep your hunger and fullness cues working properly
Moving Forward with Kindness
If you've been skipping meals regularly and this resonates with you, remember that change doesn't have to happen overnight. Small, sustainable changes often lead to the most lasting results. Perhaps start by focusing on one meal at a time—adding a simple breakfast if you skip that, ensuring you have a proper lunch break, or creating a relaxing dinner routine.
The goal isn't to eat more food overall, but to help your body re-learn its natural hunger and fullness signals. When you eat regularly, your body begins to trust that food will be available consistently, and those helpful hormones can start working properly again.
The most important thing is to listen to your body and work with it, not against it. Your journey to a healthier relationship with food and your body is unique, and it deserves patience and compassion.
Remember, sustainable weight loss isn't just about what you eat—it's about creating patterns and habits that support your overall wellbeing. And sometimes, that means helping your body remember how to communicate with you clearly about hunger and fullness.
If you'd like to explore how hypnotherapy can support you in developing a healthier relationship with food and eating patterns, I'm here to help. Together, we can work on creating positive changes that feel natural and sustainable for you.
Cortisol and Meal Skipping: Witbracht, M., et al. (2015). "Female breakfast skippers display a disrupted cortisol rhythm and elevated blood pressure." Psychoneuroendocrinology, 42, 79-90. PubMed
Stress Response to Meal Skipping: "When you skip any meal, your body thinks it is starving and starts to produce more cortisol which in turn blocks leptin, leading to weight gain." Healthline, 2024. Healthline
Hormonal Disruption from Meal Skipping: "By ignoring hunger cues from skipping any meal, several hormones are disrupted including insulin, leptin, cortisol and ghrelin." Healthline, 2024. Healthline
Dinner Skipping and Cortisol: Jakubowicz, D., et al. (2013). "Influences of breakfast on clock gene expression and postprandial glycemia in healthy individuals." Diabetes Care, 36(10), 3040-6. Referenced in cortisol studies.
Meal Timing and Circadian Rhythm: Scheer, F.A., et al. (2009). "The human circadian system adapts to prior photic history." Current Biology, 19(19), R909-R918. Referenced in circadian metabolism research.
Metabolic Impact of Meal Skipping: "Skipping meals rarely results in weight loss for the long term and it can negatively impact your metabolism." Healthline, 2024. Healthline
Breakfast Skipping and Metabolic Outcomes: Shin, J.H., et al. (2020). "Association between breakfast skipping and metabolic outcomes by sex, age, and work status stratification." Nutrition & Metabolism, 17, 92. BMC
Meal Timing and Metabolic Health: Flanagan, A., et al. (2021). "Chrono-nutrition: From molecular and neuronal mechanisms to human epidemiology and timed feeding patterns." Journal of Neurochemistry, 157(1), 53-72. Wiley
Circadian Disruption and Obesity: "The loss of synchrony of daily rhythms significantly impairs metabolic homeostasis and is associated with obesity." Journal of Neurochemistry, 2021.
Nutritional Deficiencies in Meal Skippers: O'Neil, C.E., et al. (2014). "The role of breakfast in health: definition and criteria for a quality breakfast." The American Journal of Clinical Nutrition, 99(6), 1352-63. Referenced in nutritional analyses.