- Pharmacology of appetite suppression: implication for the treatment of obesity. Halford JC. Curr Drug Targets. 2001;2:353–370.
- Stress, cortisol, and other appetite-related hormones: Prospective prediction of 6-month changes in food cravings and weight. Obesity (Silver Spring). 2017;25(4):713-720. doi:10.1002/oby.21790
- Rada P, Avena NM, Hoebel BG. Daily bingeing on sugar repeatedly releases dopamine in the accumbens shell. Neuroscience. 2005;134(3):737-744. doi:10.1016/j.neuroscience.2005.04.043
- Camaschella, C. (2015). Iron-deficiency anemia. N Engl J Med, 2015(372), 1832–1843.
- Blanco-Rojo, R., Toxqui, L., López-Parra, A. M., Baeza-Richer, C., Pérez-Granados, A. M., Arroyo-Pardo, E., & Vaquero, M. P. (2014). Influence of diet, menstruation and genetic factors on iron status: A cross-sectional study in Spanish women of childbearing age. International Journal of Molecular Sciences, 15(3), 4077–4087.
Your meal portions will vary from one meal to another, as well as from day to day.
It’s crucial not only for you to recognize the signals of hunger and fullness from your body but also to comprehend the reasons behind the fluctuations in your portion sizes across meals, allowing you to use those insights about yourself to feel more assured in how to effectively sustain your unique body.
Numerous factors can affect how much you consume, and if you’re unaware of them, it can lead to portions that don’t align with your body’s requirements.
Gaining more insight into why you might be feeling the need for a larger or smaller portion will guide you in identifying the right level of nourishment you require.
Continue reading to discover what to consider as you decide on your food portion sizes, enabling you to enhance your ability to use your hunger and fullness as a compass.
Reasons Your Food Portions Might Shift
Keep these factors in mind as you check in with your hunger and assess what your food portions should be.
1. What You’ve Consumed (or Not Consumed)
A prevalent factor likely to affect your food portions is what you’ve already consumed, or not consumed, and how nourishing the food you’ve eaten has been for you.
For instance, if you’ve intentionally or accidentally eaten less throughout the day, it can induce your body to feel deep hunger, potentially resulting in larger portions. These increased portions can often lead to overeating due to overwhelming hunger.
Moreover, if we undereat over an extended period and then consume a substantial amount of food due to significant hunger, it can cause blood sugar spikes. This may leave us feeling less satisfied and full overall, continuing the cycle.
Conversely, if you’ve enjoyed a hearty dinner and desire a dessert afterward, that dessert portion will typically be smaller due to your sufficient intake at dinner. Having a very small dinner before dessert might lead to a larger dessert portion because your hunger signals weren’t fully met.
It’s also vital to consider the nutritional quality of the foods you’ve selected and how you balanced those during your meals. Eating a well-rounded Foundational Five meal will likely make you feel fuller between meals, whereas an unbalanced meal may leave you hungry soon after.
2. Levels of Activity
Your activity levels can influence your food portions as well.
On days when you’re more active, you’ll likely find yourself needing a larger food portion to support your level of activity. In this case, aim for carbohydrates and healthy fats that will provide lasting energy for your body, combined with some protein to help rebuild muscle tissue.
When you notice elevated activity levels, be conscious of this to ensure you’re adjusting your portions according to your needs.
In contrast, if you’re generally very active but are resting or taking a break, your body will require less nourishment; hence, it’s important to observe how your hunger shifts on those less active days.
3. Environmental Influences
A frequent factor that can inadvertently impact your portion size is environmental triggers. These include anything in your surroundings that prompts you to eat or eat a certain quantity.
Certain environmental cues may be beneficial, such as placing more nutritious food choices at eye level in the refrigerator instead of hidden away in the drawers below. This placement can remind you to choose larger portions of vegetables and greens since they are more prominent in your sight.
However, some environmental triggers may not support the eating habits you aim to cultivate. For example, a member of our Mindful Nutrition Method™ program noticed that she frequently snacked on chips or cookies in the afternoon. Upon reflection, she identified that this was due to frequently passing by the office kitchen for meetings or tea refills, leading her to grab whatever snack was readily available.
Recognizing your eating tendencies to see when environmental factors may affect your portion sizes can help you pinpoint if and when this is happening.
4. Levels of Stress
Stress can affect your food portions in two distinct ways.
- Smaller portions
Initially, when stress arises, your appetite may decrease because your sympathetic nervous system (SNS) activates your body in “fight or flight” mode to handle the stressful situation. Your brain signals your adrenal glands to release adrenaline, which elevates your heart rate and redirects blood to muscles and your heart to facilitate action, temporarily halting hunger (1). Once the stressful episode concludes, your SNS goes back to its normal state.
If you fail to recognize that your appetite is suppressed due to stress, you might find yourself undereating. While we typically rely on hunger signals to inform our food choices, it’s essential to acknowledge when these signals might not be functioning correctly (i.e., due to stress) and to nourish yourself adequately regardless.
- Larger portions
The second way stress can affect your portions is when you’re experiencing ongoing stress. If stress remains unmanaged, the SNS will continue to respond to that stress.
During this time, your body produces cortisol, commonly known as the stress hormone. Unlike adrenaline, which can suppress hunger, cortisol can heighten your appetite (2). If your stress response remains activated, cortisol levels may stay high.
Experiencing this continual stress not only makes you more prone to physical hunger but also increases the likelihood of cravings for comfort foods, particularly carbohydrates or sugary items.
Sugar can trigger the release of dopamine — the feel-good neurotransmitter, stimulating the brain’s pleasure centers (3).
This stress-induced eating can lead you to opt for larger servings of those foods.
5. Eating While Distracted or in a Hurry
Eating while distracted or in a rush describes consuming food while your attention is elsewhere or quickly moving through a meal. This typically occurs when eating in front of the TV, at your desk, while browsing social media, or engaging in any activity that distracts you from savoring your food.
When you’re preoccupied or hurried, utilizing your hunger and fullness cues as a gauge for how much to eat becomes significantly more difficult. This can lead to eating either more or less than your body truly needs, as you are not paying attention to or attuned to your body’s signals.
6. Sleep Deprivation Impacting Food Portions
Studies indicate that poor sleep quality leads to heightened cravings for processed or sugary foods, increased overeating during the day, and reduced consumption of fruits and vegetables.
Opt for meals rich in protein and fats when you’re feeling fatigued to maintain more consistent energy levels throughout the day!
7. Your Menstrual Cycle
Nearly 30 percent of premenopausal women experience iron deficiency (4), and if you are vegetarian or vegan or have heavy menstrual flow, your risk for iron deficiency is even higher. Additionally, menstruation alone reduces the body’s iron stores (5).
As a result, you might feel more fatigued during your menstrual cycle, signaling a need for energy. Carbohydrates provide the body’s quick-acting energy source, so you may find yourself craving carbohydrate-rich foods or feeling like you require larger portions to obtain that energy source.
Ensure to consume ample iron-rich foods, particularly during your menstrual cycle, to accommodate your body’s requirements and energy levels.
8. Hydration Levels
Water is essential for every bodily process, including metabolism. Drinking adequate water each day supports digestion, promotes a healthy metabolism, and more (1)(2).
If you’re dehydrated, you may misinterpret thirst as hunger. Staying hydrated helps ensure that your hunger cues remain accurate.
When feeling hungry, drink a glass of water, wait 10-15 minutes, and reassess your hunger signals. If you still feel hungry, you may be experiencing genuine hunger; if your hunger decreases, consider drinking a bit more water to see if you were just thirsty.
Ways to Enhance Your Ability to Determine Proper Portions
Finding appropriate portion sizes requires patience and practice. It entails developing the ability to tune into your body and discern what physical hunger and fullness feel like for you, in addition to having the necessary knowledge to utilize that information in a supportive manner. This is what we assist our members within the Mindful Nutrition Method™ program.
Join our free workshop here where we provide an exercise designed to help you better connect with your unique hunger and fullness cues while guiding you through our Mindful Nutrition Method™.
Sources
Title: Eight Factors That Influence Your Food Portion Sizes
Comprehending the variables that affect food portion sizes is vital for maintaining a balanced diet and meeting nutritional objectives. Here are eight essential factors that can shape how much food you serve and consume:
1. **Plate Size and Dishware**: The dimensions of your plate or bowl can significantly impact portion sizes. Larger plates can make servings seem smaller, leading to larger portions. In contrast, smaller plates can make modest servings appear more substantial, promoting smaller portions.
2. **Visual Cues**: The presentation and attractiveness of food can sway portion sizes. Foods that are beautifully arranged or colorful may lead to increased consumption. Furthermore, seeing others consuming large portions can subconsciously motivate you to follow suit.
3. **Packaging and Serving Sizes**: Pre-packaged items commonly come in portions that suggest a single serving, which can result in overconsumption if the actual serving size exceeds what’s necessary. Understanding nutritional labels and appropriate serving sizes is crucial to sidestep this issue.
4. **Cultural and Social Norms**: Cultural traditions and social contexts can dictate portion sizes. In some cultures, larger servings signify hospitality, while others emphasize moderation. Sharing a meal with others can also lead to increased portions, as people tend to match the eating speed and quantity of those around them.
5. **Hunger and Satiety Signals**: Physical cues of hunger and fullness are significant determinants of portion sizes. Eating when extremely hungry can result in larger portions, while neglecting satiety signals often leads to overeating.
6. **Emotional and Psychological Factors**: Feelings such as stress, boredom, or joy can impact portion sizes. Emotional eating typically results in larger servings as individuals seek comfort or distraction through food.
7. **Food Availability and Accessibility**: The accessibility of food influences portion sizes. When food is plentiful and easy to access, people generally serve and consume more substantial portions. Conversely, less availability can contribute to more conscious portion control.
8. **Marketing and Advertising**: Food marketing techniques, such as “value meals” or “supersize” promotions, can encourage larger portion sizes by suggesting the advantage of receiving more for your money. Advertising can also shape perceptions of appropriate portion sizes, which are frequently larger than necessary.
By being aware of these elements, individuals can make more informed choices regarding their food portions, fostering healthier eating habits and improved overall nutrition.