Science-Based Fasting for Optimal Health & Weight Loss!
🕐 Eating Window: ${firstMeal} - ${lastMeal}
🚫 Fasting Period: ${lastMeal} - ${firstMeal} (next day)
`; }// Main calculation function function calculateFasting() { const currentWeight = parseFloat(document.getElementById('currentWeight').value); const targetWeight = parseFloat(document.getElementById('targetWeight').value); const height = parseFloat(document.getElementById('height').value); const age = parseFloat(document.getElementById('age').value); const gender = document.getElementById('gender').value; const activityLevel = document.getElementById('activityLevel').value; const goal = document.getElementById('fastingGoal').value; // Check if all required fields are filled if (!currentWeight || !targetWeight || !height || !age) { return; // Don't calculate if required fields are missing } // Calculate BMR and TDEE const bmr = calculateBMR(currentWeight, height, age, gender); const tdee = calculateTDEE(bmr, activityLevel); // Calculate weight loss parameters const weightToLose = currentWeight - targetWeight; const recommendedWeeklyLoss = Math.min(weightToLose * 0.1, 1); // Max 1kg per week const weeksToGoal = Math.ceil(weightToLose / recommendedWeeklyLoss); const dailyCalorieDeficit = recommendedWeeklyLoss * 7700 / 7; // 7700 cal per kg // Get method-specific benefits const benefits = getMethodBenefits(fastingData.selectedMethod, goal); // Update results document.getElementById('recommendedMethod').textContent = fastingData.selectedMethod; document.getElementById('weightLossRate').textContent = recommendedWeeklyLoss.toFixed(1); document.getElementById('targetDuration').textContent = weeksToGoal; document.getElementById('calorieDeficit').textContent = Math.round(dailyCalorieDeficit); // Update benefits updateBenefitsGrid(benefits); // Update timeline updateFastingSchedule(); // Show results document.getElementById('result').style.display = 'block'; }// Get benefits based on method and goal function getMethodBenefits(method, goal) { const benefitsData = { weight_loss: [ { title: "Fat Burning", desc: "Enhanced lipolysis during fasting periods" }, { title: "Insulin Sensitivity", desc: "Improved glucose metabolism" }, { title: "Metabolic Flexibility", desc: "Better fat oxidation capacity" } ], autophagy: [ { title: "Cellular Cleanup", desc: "Removal of damaged proteins and organelles" }, { title: "DNA Repair", desc: "Enhanced cellular repair mechanisms" }, { title: "Longevity Genes", desc: "Activation of SIRT1 and other longevity pathways" } ], metabolic_health: [ { title: "Blood Sugar Control", desc: "Stabilized glucose levels" }, { title: "Insulin Sensitivity", desc: "Reduced insulin resistance" }, { title: "Lipid Profile", desc: "Improved cholesterol ratios" } ], mental_clarity: [ { title: "BDNF Production", desc: "Increased brain-derived neurotrophic factor" }, { title: "Ketone Bodies", desc: "Alternative brain fuel for clarity" }, { title: "Neuroplasticity", desc: "Enhanced brain adaptability" } ] }; return benefitsData[goal] || benefitsData.weight_loss; }// Update benefits grid function updateBenefitsGrid(benefits) { const benefitsGrid = document.getElementById('benefitsGrid'); if (!benefitsGrid) return; benefitsGrid.innerHTML = benefits.map(benefit => `${benefit.desc}