Education
Diet design
1. Step-by-Step Macronutrient Calculation Algorithm
Designing any diet layout using the Menno Henselmans methodology is a precise mathematical sequence, where every step anchors to the client's Lean Body Mass (LBM), rather than their total body weight.
Step 1: Target Energy Balance Setup
First, total daily energy expenditure (TDEE) is calculated based on basal metabolic rate and physical activity, followed by prescribing the caloric deficit or surplus:
For Fat Loss (Cutting): A deficit of 10–25% below TDEE is implemented. More aggressive deficits (>30%) sharply escalate muscle tissue catabolism, decrease libido, and induce hormonal down-regulation.
For Muscle Gain (Bulking): A conservative surplus of 5–10% (typically 150–300 kcal) is established. Exceeding this line does not accelerate muscle protein synthesis; it merely expands subcutaneous adipose tissue storage.
Step 2: Protein Allocation
Protein is the structural constant of the diet and must remain stable even during fat loss.
Optimal evidence-based target: 1.6–2.2 grams per kilogram of LBM.
During aggressive cutting phases with low body fat percentages, protein should lean toward the upper limit (2.2 g/kg) to maximize appetite suppression and preserve myofibrillar retention.
Step 3: Fat Allocation
Dietary fats are crucial for maintaining the endocrine system, specifically for facilitating testosterone synthesis from dietary cholesterol.
Minimum physiological baseline: 20–40% of total daily caloric intake (or at least 0.6–0.8 grams per kilogram of LBM). Dropping below this baseline compromises hormonal integrity.
Step 4: Carbohydrate Allocation
Carbohydrates are calculated via the principle of variance:
Calories from Carbohydrates=Total Caloric Target−(Calories from Protein+Calories from Fat)
The remaining caloric value is divided by 4 to determine the carbohydrate allotment in grams. Carbohydrates serve as the metabolic buffer—manipulating this macronutrient allows for shifts in overall caloric density across different training phases.
2. Meal Frequency Dynamics and the "Anabolic Window"
Fitness culture commonly oscillates between two extremes: the myth of eating 6–8 small meals a day to "stoke the metabolic fire" and the absolute restriction of intermittent fasting (eating 1 meal a day). Sports science establishes a structured middle ground:
Optimal Frequency Range: 3–5 meals per day.
Physiological Rationale: To optimize hypertrophy, an individual must systematically activate Muscle Protein Synthesis (MPS) throughout the day. To trigger an optimal MPS spike, a single meal must contain an adequate amino acid payload, specifically yielding at least 3–4 grams of the essential amino acid leucine.
The Muscle Full Effect: Once MPS is fully stimulated by a protein bolus, the anabolic machinery remains refractory (unresponsive) to further protein additions for approximately 3–5 hours. Consuming protein more frequently than every 3 hours is biochemically redundant. Conversely, eating less than 3 times a day (e.g., 1–2 large meals) minimizes the cumulative daily duration the body spends in a positive net protein balance.
3. Nutrient Timing and Peritraining Chronobiology
While total daily macronutrient volume dictates long-term body composition outcomes, precise peritraining nutrient timing offers an additional 5–10% advantage regarding recovery kinetics and performance optimization.
Pre-Workout Nutrition:
Best consumed 1–2 hours prior to training. The ideal composition includes a highly bioavailable protein source paired with low-to-moderate glycemic carbohydrates to maintain stable blood glucose levels during intense physical output.
Post-Workout Nutrition:
The traditional "30-minute anabolic window" concept is structurally overstated. If a comprehensive pre-workout meal was consumed, amino acids remain elevated in the bloodstream during the training session. However, a balanced meal featuring quality protein and carbohydrates should be ingested within 1.5–2 hours post-exercise to accelerate glycogen resynthesis and blunt training-induced proteolysis.
4. Controlled Refeeds vs. Hyperphagic Cheat Meals
Caloric manipulations during a fat-loss phase are necessary to sustain psychological compliance and stimulate metabolic hormones. However, the course draws a clear distinction between these practices:
Cheat Meals (Unscientific Approach): Uncontrolled overconsumption of highly processed, hyper-palatable foods within a single sitting or an entire day. Cheat meals carry the risk of completely wiping out an entire week's worth of caloric deficit within a few hours, while simultaneously exacerbating disordered eating patterns.
Structured Refeeds (Scientific Approach): A pre-planned, controlled increase in caloric intake back to maintenance levels (or a slight surplus) spanning 1–2 days, driven almost exclusively by increasing carbohydrate intake while restricting dietary fats to a baseline minimum.
Mechanistic Value of a Refeed:
Leptin Resuscitation: Prolonged caloric deficits suppress the satiety hormone leptin, which down-regulates metabolic rate and amplifies homeostatic hunger. A targeted carbohydrate refeed (unlike fat-heavy cheat meals) transiently elevates leptin, signaling the hypothalamus that energy availability is secured.
Glycogen Replenishment: Carbohydrate loading saturates skeletal muscle glycogen stores and intramuscular fluid volume, boosting performance output for subsequent training microcycles.
5. Practical Behavioral Management and Flexible Dieting
The primary reason nutritional interventions fail is cognitive rigidity. An effective practitioner constructs meal plans using the principles of Flexible Dieting:
The 80/20 Rule:
80% of daily total calories must originate from whole, single-ingredient, nutrient-dense foods with a high satiety index (lean meats, fish, eggs, complex starches, fibrous vegetables). The remaining 20% can be allocated to the client’s preference foods, provided they fit within their prescribed daily macronutrient targets. This alleviates psychological stress and prevents binge episodes.
Adherence Optimization:
If a client dislikes a specific food source, it should not be forced into the protocol. Every food item is replaceable by an identical macronutrient equivalent.
Step-by-Step Adaptation:
Avoid altering a client’s entire nutritional lifestyle overnight. If an individual is accustomed to chaotic eating patterns, first establish a stable baseline for daily protein intake, then gradually manage total caloric density, and finally refine meal timing and distribution.