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As a nutritionist specialising in the optimisation of performance and body composition in both athletes and “normal people”, and as the co-author of the International Society of Sports Nutrition (ISSN) position stand on diets and body composition, I’ve been privileged to contribute to both high-level practice and essential research on the topic of diets and their impact on body composition.
In this first edition of the “Fueling Greatness” newsletter, I aim to provide you with a step-by-step guide on adjusting diet and supplement regimens to help you optimise your training and body composition outcomes, especially in terms of body fat loss and muscle mass gain.
Step 1: Understand Your Macronutrient Needs
The first step towards achieving optimal training and physique results is understanding and individualising your macronutrient needs.
Based on our analysis of the available relevant literature, athletes and those engaging in regular physical training should consider an increased protein intake in the range of 1.4–2.0 g/kg of body weight/day to support muscle protein synthesis (MPS) and post-exercise recovery.
Carbohydrates, on the other hand, should be tailored to the demands of your training. High-intensity or long-duration training typically requires substantial carbohydrate intake to fuel podium achieving performance and aid in recovery.
Fat intake should be considered in the context of overall calorie requirements and personal goals. A baseline intake of 0.5–1.0 g/kg body weight/day is suggested, with adjustments as needed.
Step 2: Select an Appropriate Dieting Strategy
In our research, we also explored several dieting strategies. For athletes involved in high-intensity sports, low-carbohydrate or ketogenic diets may not be ideal due to the potential compromise on performance. Instead, these athletes might benefit from a balanced approach, ensuring adequate carbohydrate intake to fuel workouts.
However, for those focusing on body composition or aesthetic-oriented sports, slower (less extreme) weight loss strategies are recommended to maximize muscle mass retention. This can be achieved through a combination of moderate caloric restriction, adequate protein intake, and resistance training.
Resistance training is essential in promoting muscle mass gain and preserving muscle during periods of caloric restriction. Pair this with adequate protein intake to optimize muscle protein synthesis and facilitate recovery.
Step 4: Use Supplements Wisely
Supplements should be seen as a tool to enhance performance and recovery, but they should never replace a balanced diet. Supplements with robust evidence supporting their efficacy include creatine, caffeine, beta-alanine, and certain forms of protein. These supplements can be strategically used to augment performance, speed up recovery, and support muscle mass gain.
Step 5: Monitor and Adjust Accordingly
Nutrition and training strategies should not be static. Regular monitoring of body composition, performance, and recovery can provide valuable insights. Based on these insights, adjustments can be made to dietary intake, training regimen, and supplement use.
Conclusion
Achieving optimal training and physique results is a complex process that involves an individualized and strategic approach to nutrition. By understanding your unique macronutrient needs, selecting an appropriate dieting strategy, incorporating resistance training, using supplements wisely, and regularly monitoring and adjusting your approach, you can effectively work towards your training and body composition goals.
By adopting this step-by-step guide based on robust scientific research, you’ll be well-equipped to support your training and physique goals, maximizing both body fat loss and muscle mass gain. As always, remain open to emerging research and seek qualified professional advice for personalised strategies.
Remember, the road to optimal body composition is not a sprint but a marathon. With consistent effort and a strategic approach to nutrition, you can reach your desired destination.
Every week, in each edition of the Fueling Greatness newsletter, I aim to decode the science to application on these and related topics to help you optimise your performance, body composition and well-being.
Best regards,
Laurent
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