When it comes to fitness goals such as gaining muscle, losing weight, enhancing athletic performance, or achieving mass gain, macro calculations are a pivotal part of the equation. Macronutrients—proteins, carbohydrates, and fats—are the building blocks of our diet and play a crucial role in shaping our body composition and overall health. By understanding and calculating your macronutrient needs accurately, you can tailor your nutrition to meet specific fitness objectives. This article delves into the significance of macro calculations and explores different macro prescriptions for various fitness goals.
Understanding Macronutrients
Macronutrients, often referred to as "macros," are nutrients required by the body in large amounts to maintain energy and support bodily functions. The three main macronutrients are:
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Proteins: Essential for muscle repair and growth, proteins are made up of amino acids. They play a vital role in building muscle mass and aiding recovery after exercise.
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Carbohydrates: The primary source of energy for the body, especially during high-intensity activities. Carbohydrates are broken down into glucose, which fuels our muscles and brain.
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Fats: Important for hormone production, nutrient absorption, and providing long-lasting energy. Fats are also crucial for overall health and well-being.
The Role of Macro Calculations
Macro calculations involve determining the right balance of proteins, carbohydrates, and fats needed to achieve specific fitness goals. This process is highly individualized and depends on factors such as age, gender, weight, height, activity level, and metabolic rate. By using a macro calculator, individuals can get personalized macro prescriptions that align with their objectives.
Macro Prescriptions for Different Goals
1. Lean Muscle Gain
For those looking to gain lean muscle, the focus should be on a higher protein intake to support muscle synthesis. Carbohydrates are also important to provide the energy required for intense workouts. A typical macro prescription for muscle gain might look like:
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Proteins: 30-35% of total daily calories
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Carbohydrates: 45-50% of total daily calories
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Fats: 325-30% of total daily calories
According to a study published in the Journal of the International Society of Sports Nutrition, consuming 1.6 to 2.2 grams of protein per kilogram of body weight per day is effective for muscle gain .
2. Weight Loss
For weight loss, creating a calorie deficit is essential, but the macronutrient distribution should still support muscle maintenance and energy levels. A higher protein intake helps preserve muscle mass while losing fat. A common macro prescription for weight loss might be:
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Proteins: 25-30% of total daily calories
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Carbohydrates: 40-45% of total daily calories
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Fats: 25-30% of total daily calories
Research in the American Journal of Clinical Nutrition suggests that high-protein diets are more effective for weight loss and maintaining muscle mass compared to lower-protein diets .
3. Athletic Performance
Athletes require a balanced intake of all macronutrients to support their training demands and recovery. Carbohydrates are particularly crucial for providing quick energy. A typical macro prescription for athletic performance might include:
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Proteins: 20-25% of total daily calories
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Carbohydrates: 50-60% of total daily calories
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Fats: 20-25% of total daily calories
The International Society of Sports Nutrition recommends that athletes consume 5-7 grams of carbohydrates per kilogram of body weight per day to optimize performance and recovery .
4. Mass Gain
Mass gain or bulking requires a caloric surplus, with an emphasis on both protein and carbohydrates to fuel growth and support muscle synthesis. A common macro prescription for mass gain might be:
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Proteins: 25-30% of total daily calories
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Carbohydrates: 50-55% of total daily calories
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Fats: 20-25% of total daily calories
A study in the Journal of the American Dietetic Association found that consuming adequate carbohydrates in addition to proteins is crucial for muscle hypertrophy and overall mass gain .
Using Macro Calculators
Macro calculators are invaluable tools for determining your personalized macronutrient needs. These calculators take into account your specific details such as age, weight, height, gender, and activity level to provide a tailored macro prescription. Websites like IIFYM (If It Fits Your Macros) and apps like MyFitnessPal offer user-friendly macro calculators that can help you stay on track with your nutrition goals .
Macro calculations are a fundamental aspect of achieving any fitness goal, be it gaining muscle, losing weight, enhancing athletic performance, or mass gain. It can also be an intimidating and challenging process for a large segment of the population. That is why our SHRED Weight Loss program was developed.
Our SHRED program has helped over 13,000 people lose weight and develop a whole new lifestyle. Our coaches guide you through weekly check-ins where they tailor your next macronutrient prescription for the week based on your progress as an individual. Macro calculations are just one piece of the puzzle and what most weight loss / body transformation programs focus on. While we offer a program like that in our SHRED Lite, most of our clients take part in the Total SHRED which includes access to our carefully developed training programs found within our THUNDR app.
To learn more about the SHRED weight loss / body transformation program click HERE. Other wise you can sign-up directly and start your journey by clicking the link below. Either way we look forward to helping you in your journey and can't wait to work with you.
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References
- Phillips, S. M., & Van Loon, L. J. C. (2011). Dietary protein for athletes: From requirements to optimum adaptation. Journal of Sports Sciences, 29(S1), S29-S38. doi:10.1080/02640414.2011.619204
- Leidy, H. J., Carnell, N. S., Mattes, R. D., & Campbell, W. W. (2007). Higher protein intake preserves lean mass and satiety with weight loss in pre-obese and obese women. American Journal of Clinical Nutrition, 86(4), 1219-1226. doi:10.1093/ajcn/86.4.1219
- Kerksick, C. M., Arent, S., Schoenfeld, B. J., Stout, J. R., Campbell, B., Wilborn, C. D., ... & Kreider, R. B. (2017). International society of sports nutrition position stand: Nutrient timing. Journal of the International Society of Sports Nutrition, 14(1), 33. doi:10.1186/s12970-017-0189-4
- Helms, E. R., Aragon, A. A., & Fitschen, P. J. (2014). Evidence-based recommendations for natural bodybuilding contest preparation: nutrition and supplementation. Journal of the International Society of Sports Nutrition, 11(1), 20. doi:10.1186/1550-2783-11-20
- IIFYM. (n.d.). Macro Calculator. Retrieved from IIFYM.com
- MyFitnessPal. (n.d.). MyFitnessPal App. Retrieved from MyFitnessPal.com