Facts and fables: everything you need to know about losing weight

Yolanda van der Hout
17 January 2024
Reading time: 10 minutes

Facts and Myths - Weight Loss

Weight loss is a topic that concerns many. In a world full of diets, supplements, and various ways to exercise, it is crucial to distinguish facts from myths to lose weight in a healthy and effective manner. In this blog, we discuss some common misconceptions and truths about weight loss so that you can be well-informed and make informed choices.

Myth: Quick crash diets are the best way to lose weight rapidly.
Quick crash diets may seem attractive for rapid weight loss, but they are usually unrealistic and unhealthy. They often result in muscle loss, deficiencies in essential nutrients, and a slowed metabolism in the long run. Healthy and sustainable weight loss is better achieved through a balanced diet and regular exercise, supporting the body in a healthy way.

Fact: Caloric deficit is essential for weight loss.
A fact is that a caloric deficit is essential for weight loss. This means burning more calories than you consume. The most effective way to achieve this is by combining healthy nutrition and exercise, creating a moderate caloric deficit in a balanced manner to promote weight loss.

Myth: You must completely avoid certain food groups to lose weight.
The idea that you need to eliminate specific food groups entirely to lose weight is a myth. There is no need, for example, to eliminate carbohydrates or fats entirely from your diet. On the contrary, it is about making healthy choices within each food group and controlling portion sizes. Carbohydrates, fats, and proteins are all essential nutrients that should be consumed in moderation for a balanced diet.

Here are some examples of healthy choices within each food group:

  • Whole grains such as brown rice, quinoa, and whole-grain bread.
  • Vegetables and fruits, such as bananas, apples, and sweet potatoes.
  • Legumes, including lentils, chickpeas, and black beans.


  • Unsaturated fats from avocados, olive oil, and nuts.
  • Fatty fish such as salmon, mackerel, and trout, containing omega-3 fatty acids
  • Seeds such as chia seeds, flaxseeds, and sunflower seeds.
  • Supplementation with omega-3, for example, through fish oil capsules or algae oil capsules.


  • Lean meats such as chicken, turkey, and lean beef.
  • Fish such as tuna, salmon, and tilapia.
  • Plant-based protein sources such as tofu, tempeh, and legumes like chickpeas and black beans.
  • Supplements such as whey protein powder for muscle building after strength training, or plant-based protein powders like pea protein for vegans or vegetarians.

By consciously choosing healthy variations within each food group, your body receives all the necessary nutrients without having to completely avoid specific food groups. This not only promotes weight loss but also contributes to a balanced and nutritious diet.

Fact: A balanced diet with plenty of vegetables, fruits, and lean proteins is important.
A balanced diet rich in vegetables, fruits, and lean proteins offers numerous health benefits. These foods are not only nutritious but also generally low in calories and contribute to a long-lasting feeling of satiety.

Benefits of vegetables and fruits:

  • Nutrients: Vegetables and fruits are rich in essential vitamins, minerals, and antioxidants that promote overall health.
  • Fiber: They contain a lot of fiber, which promotes digestion, increases satiety, and can aid in weight management.
  • Low calories: Due to their low calorie density, you can eat larger portions and still maintain a healthy balance.

Benefits of lean proteins:

  • Muscle building: Lean proteins, such as chicken, fish, and lean dairy products, support muscle building and recovery.
  • Satiety: Protein-rich foods help maintain a feeling of fullness, preventing overeating.
  • Low fat content: Lean proteins contain less saturated fat, making them a healthier choice for heart health.

By emphasizing a varied diet with these foods, the body receives the essential nutrients it needs for optimal function. This not only promotes a healthy weight but also contributes to reducing the risk of chronic diseases and maintaining overall well-being. It is important to strive for a balanced intake of all food groups for a sustainable and healthy lifestyle.

Myth: Supplements are the key to weight loss.

The idea that supplements offer a magical solution for weight loss is a misconception. Supplements can, at best, complement a healthy diet and an active lifestyle, but they are not a panacea. It is crucial to have realistic expectations and realize that sustainable weight loss requires time and consistency.

Why are supplements not a magical solution?

  • No replacement for healthy eating: Supplements can never replace whole foods. A balanced diet with all necessary nutrients remains essential for good health.
  • Limited effectiveness without diet and exercise: Even the most effective supplements will not yield the desired results without a healthy diet and regular physical activity. They should be seen as a complement, not a substitute.
  • Individual variation: What works for one person may not work for another. Our bodies respond differently to supplements, and their effectiveness may vary depending on factors such as genetics, lifestyle, and overall health.

It is crucial to set realistic goals, be patient, and understand that weight loss is a gradual process. A comprehensive approach, focusing on nutrition, exercise, and the development of healthy habits for the long term, is essential for lasting success.

Fact: Exercise is important for weight loss and overall health.

Exercise plays a crucial role in pursuing weight loss and maintaining good health. Here are some key aspects of how exercise supports these goals:

  • Calorie burning: Exercise, both aerobic (e.g., jogging, cycling) and strength training, increases calorie burning. This contributes to creating a caloric deficit, which is essential for weight loss.
  • Muscle building: Strength training helps build muscle mass. Muscles consume more energy than fat, even at rest. Therefore, increasing muscle mass can boost metabolism and help the body burn more calories.
  • Stimulation of metabolism: Regular exercise can increase metabolism, both during the activity itself and at rest. An efficient metabolism can contribute to the effective processing of nutrients and fat burning.
  • Mental benefits: Exercise stimulates the production of endorphins, also known as “happy hormones,” which can lead to improved mood and reduced stress levels. This psychological benefit can have a positive impact on eating habits and overall well-being.
  • Reduced risk of chronic diseases: Regular exercise is associated with a reduced risk of chronic diseases such as cardiovascular diseases, type 2 diabetes, and certain forms of cancer. It also supports healthy blood pressure and cholesterol levels.

For optimal results, it is ideal to include both cardiovascular exercises and strength training in a workout routine. The key is to find a form of exercise that you enjoy and that suits your individual needs and goals. Combining a healthy diet with regular exercise is a powerful approach to weight loss and maintaining good health.

While supplements do not offer a magical solution, they can be valuable as a complement to a healthy diet and an active lifestyle. Here are some reasons why:

  • Supplementing nutrition: Supplements can be useful to supplement any deficiencies in essential nutrients that are difficult to obtain from food alone. For example, vitamin D supplements may be important if your sunlight exposure is limited.
  • Support for specific needs: For people with specific nutritional needs, such as athletes engaging in intensive training, supplements like protein powders, BCAAs (amino acids), or multivitamins may provide additional benefits.
  • Convenience and efficiency: In some cases, supplements can be convenient for people who struggle to get certain nutrients from food. This includes protein bars that are convenient for a quick protein boost after exercise.

Examples of useful supplements:

  • Omega-3 fatty acids: To support heart health, often found in fish oil capsules.
  • Vitamin D: Important for bone health and the immune system, especially in areas with limited sunlight.
  • Protein supplements: Convenient for meeting daily protein needs, especially after intense physical activity.
  • Multivitamins: To supplement a general deficiency in essential vitamins and minerals.
  • Creatine: A popular supplement used for sports performance enhancement. It can improve performance in short-duration, intense activities like weightlifting and sprinting. Additionally, creatine can increase muscle mass and accelerate recovery after exercise. It stimulates the regeneration of adenosine triphosphate (ATP), the cells’ energy source. Creatine can also provide neurological benefits, including improved cognitive function.
  • Pre-workout: Taken before exercise to enhance energy, focus, and endurance. They often contain ingredients like caffeine, beta-alanine, and B-vitamins to increase alertness and reduce fatigue. The goal is to optimize workout performance by providing extra energy and improving blood flow to the muscles.
  • Weight Gainers: Designed to help people gain muscle mass and weight. They typically contain a mix of carbohydrates and proteins in a higher ratio than standard protein supplements. Gainers can be beneficial for people struggling to get enough calories through regular food, especially if they aim for muscle building or weight gain. However, it is important to use these supplements in moderation to avoid excessive calorie intake.

Myth: You must engage in intense exercise to lose weight.

The idea that only intensive physical activities lead to weight loss is not true. Regular exercise, such as walking, swimming, cycling, or dancing, can also contribute to weight loss. The key is to be active and choose an activity you enjoy that fits your lifestyle.

Consistency is more important than extremely intense workouts, and choosing a sustainable form of exercise promotes a healthier long-term lifestyle.

Fact: Patience and consistency are essential for successful weight loss.

Weight loss is a gradual process that requires patience and consistency. It is crucial to set realistic goals and make small, achievable changes to your lifestyle. By consistently maintaining healthy habits over time, you can achieve sustainable success. Avoiding quick fixes and embracing a long-term approach is the key to effective weight management.

Conclusion: Weight loss often presents a challenging journey, where it is crucial to distinguish facts from myths. Believing in quick crash diets and magical solutions is misleading; healthy and sustainable weight loss requires a balanced diet, exercise, and consistent efforts. For personalized advice and guidance, consulting a health professional is advisable, as each individual is unique. Patience and common sense are essential, and the focus should be on developing a healthy lifestyle that is sustainable in the long term. Remember: there is no one-size-fits-all approach, so be kind to yourself as you work towards a healthier and happier life.


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