If carried out properly over a 6-week period, a muscle dry-down will produce visible results without compromising performance or disrupting your basic metabolism.
Although the response to caloric deficit varies from one person to another, we're going to look at how to build an effective 6-week program: a good target for a dry period of this duration is to aim for a fat loss of 2 kilos; beyond that, the athlete risks drawing the missing energy from his muscles, or even putting on more weight if the deficit isn't progressive enough. This program can be easily adapted to suit the athlete's profile and objectives.
Understanding muscle dryness
The principle of a weight loss program is to reduce body fat while preserving muscle mass. This approach aims not only to improve muscle definition, but also to optimize the weight/power ratio to boost sporting performance, particularly important in weight category sports such as boxing, or in activities such as climbing or sprinting.
Dryness is based on the creation of a negative energy balance: in other words, when total energy expenditure (basic metabolism + physical activity) exceeds daily calorie intake, forcing the body to draw on its fat reserves.
The aim is to find the right calorie deficit to activate lipolysis (fat burning) without triggering a slowdown in basal metabolism or muscle catabolism. With an optimized diet and appropriate training, results are generally visible after just a few weeks.
Physiological principles to be respected
For a successful dry-down, a moderate caloric deficit of 200 to 500 calories per day is recommended over a period varying from 6 to 8 weeks for the first dry-downs. The aim is always to find the right balance to enable fat loss without compromising muscle mass.
The recommended rate of loss is between 0.5% and 1% of body weight per week. It is generally advisable not to exceed a loss of 2 kg per month to preserve muscle mass. Too great a deficit can trigger muscle catabolism, where the body uses its own muscles as a source of energy, thus compromising your objectives.
It's essential to remain gradual in your calorie deficit to avoid the yo-yo effect. A too abrupt return to a normal diet after a strict regimen can lead to greater weight regain than before the diet.
Preparing the drying program
To give you an idea, burning 1 kg of adipose tissue corresponds to around 7700 kcal. In the ideal case of weight loss associated solely with fat mass, for example, a daily deficit of 200 kcal for 5 weeks would be required.
Determine your energy needs
To calculate your total caloric needs, first determine your basal metabolic rate, i.e. the energy required by your body to maintain its vital functions at rest. This value varies according to age, sex, weight and height.
You then need to adjust this value to your general level of activity and the specific expenses associated with sports sessions.
Once the daily caloric requirements have been established, the athlete can decide to apply a caloric deficit. For effective drying, this deficit should be between 300 and 500 kcal per day.
Evaluate your energy needs with our caloric deficit calculator :
Caloric and macronutrient requirements calculator
Recommended macronutrient breakdown (approx.)
Note that metabolism adapts progressively during a dry period, requiring regular adjustments according to how you feel.
Program construction
- Initial phase (weeks 1-2): start with a moderate deficit of around 100-200 kcal per day in the first week, then gradually increase until you reach your target deficit (maximum 500 kcal). This approach allows the body to gradually adapt to caloric restriction.
- Maintenance phase (weeks 3-4): maintain the target deficit to continue burning fat while keeping an eye on your fatigue level.
- Final phase (weeks 5-6): begin a gradual reintroduction of calories in the order of 100 to 200 calories per week. This often-neglected stage is essential for maintaining results over the long term.
Example of a week-by-week schedule:
Note: These values represent the ideal case where 100% of weight loss is linked to fat loss, which implies a sufficient protein intake.
Period | Phase | Daily deficit | Weekly deficit | Weekly weight loss |
Weeks 1 | Initial phase | 200 kcal/day | 1400 kcal | ~ 0.2 kg |
Weeks 2 | Initial phase | 400 kcal/day | 2800 kcal | ~ 0.4 kg |
Weeks 3-4 | Maintenance phase | 500 kcal/day | 3500 kcal per week | ~ 0.5 kg per week |
week 5 | Final phase | 400 kcal/day | 2800 kcal | ~ 0.4 kg |
Weeks 6 | Final phase | 200 kcal/day | 1400 kcal | ~ 0.2 kg |
Total (6 weeks) | - | - | 15400 kcal | ~ 2 kg |

What's the right diet for an effective blow-dry?
Nutrition during the dry period plays a major role in preventing muscle wasting while promoting fat loss. Here's some advice on macronutrient distribution:
- Protein: the aim is to maintain an intake of 1.6-2g per kilo of body weight (20-25% of total calories). Each meal should contain a source of protein such as chicken, turkey, fish, eggs or a combination of legumes and cereals.
Regular consumption of a whey shaker boosts recovery and helps preserve muscle mass.
- Carbohydrates: during a dry period, carbohydrates should represent 50-55% of daily calorie intake. Complex carbohydrates such as wholegrain cereals are preferable, as they guarantee energy maintenance over several hours and have a satiating effect.
A large slice of wholemeal bread for breakfast with egg whites, or a big bowl of oats is a great way to start the day!
- Lipids: it's important not to totally eliminate lipids from the diet, but to maintain a ratio close to 1 g/kg of lipids. It is advisable to favor sources of good fats such as vegetable oils and nuts (rapeseed oil, olive oil, almonds, hazelnuts, etc.).
Eat fruit between meals if you need to, to control your hunger while ensuring your micronutrient intake.
Conclusion
A well-structured diet combined with appropriate training over 6 weeks can produce visible results, although sensitivity to caloric deficit varies from person to person and results will not be the same for everyone.
The important thing is to adjust your program regularly according to your results and how you feel, to give priority to simple, unprocessed foods and not to neglect rest periods.