GYMKY, together with your chosen creator, follows the highest standards in nutrition! Based on scientific findings and your creator’s expertise, we strive to support you in the best possible way. Please also take note of our health-related guidelines.
How do I choose the right weight goal?
We are happy to help you find the right approach to your nutrition goals with GYMKY. Before diving into the best strategies for muscle gain, fat loss, or weight maintenance, it is crucial to define your goal in strength training. Do you want to build muscle, lose fat, or simply maintain your weight? Your nutrition goal should align with your training objectives.
Gaining Weight:
To build muscle, we generally recommend a caloric surplus—meaning you should consume more calories than you burn. A caloric surplus ensures that your body has enough energy to build muscle. However, be mindful not to overconsume calories to avoid excessive fat gain. Set a realistic weight goal and aim for a caloric surplus within the green range of the target selection.
What is the maximum advisable body fat percentage in a caloric surplus?
Studies by Agostini et al. (2021) and Garthe et al. (2011) suggest that during a muscle-building phase, the body fat percentage should generally not exceed 20% on average.
Maintaining Weight:
If you are satisfied with your weight and muscle mass and simply want to improve your overall fitness or maintain your physique, we recommend keeping your caloric intake stable—consuming as many calories as you burn. Choose the “Maintain Weight” goal to ensure that you have enough energy for your workouts while preventing fat accumulation.
Losing Weight:
If your goal is to lose fat, we recommend following a caloric deficit, meaning you should consume fewer calories than you burn. Select the “Lose Weight” goal and set a realistic target. However, avoid extreme calorie restrictions, as a large deficit can be counterproductive. Consuming too few calories may cause your body to break down muscle for energy, leading to muscle loss and a slower metabolism. Keeping your caloric deficit within the green range of the target selection helps ensure effective fat loss while preserving muscle mass.
Note on Weight Goals:
It’s important to understand that these recommendations are general guidelines and should be tailored to your individual needs. Factors such as age, gender, training level, and metabolism all play a role in determining the best nutrition strategy. If you are unsure which approach suits you best, don’t hesitate to contact our support team for guidance.
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How does GYMKY determine your individual calorie target?
Your calorie target is essentially composed of your basal metabolic rate (BMR) and activity expenditure. Depending on your goal, we also calculate the energy balance, which is crucial for weight gain or loss.
The nutritional recommendations used in GYMKY are based on scientific research:
Recommended Caloric Intake:
“Dietary Guidelines for Americans” – U.S. Department of Health and Human Services, USDA (Current Edition)
This scientifically backed guideline ensures that users of our app receive a solid foundation for their individual caloric intake. It provides detailed dietary recommendations and emphasizes the importance of balanced calorie consumption according to individual nutritional needs. It specifically highlights the Harris-Benedict equation, which serves as a fundamental method for calculating daily energy expenditure. This formula takes into account factors such as age, gender, weight, and activity level to provide an accurate estimate of the required calorie intake.
Weight Loss Through Caloric Restriction:
“Effects of Caloric Restriction on Body Weight and Composition” – Miller, S., et al. (American Journal of Clinical Nutrition, 2017)
These findings support the information presented in our app regarding the effectiveness of caloric restriction as a weight loss strategy. This research examines the impact of calorie reduction on body weight and composition. The authors analyze various studies to explore the relationship between reduced caloric intake and weight loss. The results highlight how controlled calorie restriction can lead not only to effective weight loss but also to positive changes in body composition. The Harris-Benedict equation is mentioned as a key tool in determining energy needs in the context of calorie restriction.
Note on Basal Metabolic Rate:
The explained BMR calculation is based on technical formulas that factor in height, weight, gender, and activity level. However, there are additional factors that can influence your actual calorie needs, which our formula does not account for. These include individual metabolic differences, genetic predisposition, hormonal factors, and gut microbiome composition.
If you find that the calculated recommendations do not align with your goals, you can manually adjust your calorie and macronutrient targets. It is advisable to seek guidance from a doctor or nutritionist to ensure that these adjustments suit your individual needs.
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On what basis does GYMKY recommend a specific macro distribution?
With GYMKY, you can have your macro recommendations determined automatically. The app bases its calculations on the reference values of the German Nutrition Society (DGE), your profile data (age, gender, height, and weight), and your fitness or weight goal.
Note on Macro Distribution:
For certain macronutrients (saturated fats, sugar, fiber, and cholesterol) as well as the mineral sulfur, neither the DGE nor the GYMKY app provide general recommendations, as these nutrients have highly individualized requirements. Therefore, the target values for daily intake of these nutrients are set to 0 by default in the app. As a premium member, you have the option to customize these values based on your personal preferences.
Please also note that the DGE recommendations may change over time, and GYMKY’s calculations might be based on outdated data. Keep this in mind in relation to our health advisory notes.
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Which Nutrition Type Suits Me?
Nutrition plays a crucial role in our health and lifestyle. There are different nutrition types, each distinguished by the types of food consumed. Three common types are omnivorous (mixed diet), vegetarian, and vegan nutrition. Each has its own characteristics and principles.
A mixed diet is the most widespread form of nutrition, incorporating a balanced intake of both animal and plant-based foods. People following a mixed diet consume meat, fish, vegetables, fruits, grains, and dairy products to ensure a diverse nutrient intake.
Vegetarian and vegan diets involve avoiding animal products to varying degrees. While vegetarians eliminate meat and fish, some still include dairy and eggs in their diet. In contrast, vegans—who follow the strictest form of vegetarianism—avoid all animal-derived products. This is not a diet in the traditional sense but often a matter of personal beliefs. When properly managed, nutrient deficiencies are generally not a concern.
There are different types of vegetarianism, each with varying levels of restriction. What they all have in common is avoiding meat and often other products derived from slaughtered animals (e.g., gelatin). The main types include:
The reasons for avoiding meat and animal products can be ethical, religious, health-related, or environmental.
A vegan diet involves completely eliminating meat, fish, and all animal-derived foods, including honey, eggs, dairy, and gelatin. Many vegans also extend this philosophy to other aspects of life, avoiding animal-derived materials such as leather, wool, down, and silk in clothing. They also prefer cruelty-free cosmetics, medications, and cleaning products that do not contain animal ingredients or involve animal testing.
Fortunately, there are many plant-based alternatives available today:
A balanced and conscious approach is essential in a vegan diet. Vegans need to pay special attention to ensuring adequate intake of Vitamin B12, calcium, and iron, as well as maintaining a balanced combination of essential fats and amino acids.
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