Carb Cycling Natural Shopping List Weight Calculation

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Carb Cycling Natural Shopping List Weight Calculator

Strategize your nutrient intake for optimal weight management and well-being by calculating your ideal carb cycling shopping list quantities.

Carb Cycling Shopping List Calculator

Enter your current body weight in kilograms.
Sedentary (little to no exercise) Lightly Active (light exercise/sports 1-3 days/week) Moderately Active (moderate exercise/sports 3-5 days/week) Very Active (hard exercise/sports 6-7 days/week) Extra Active (very hard exercise/sports & physical job)
Choose the option that best describes your daily physical activity.
Typically 300-500 kcal for sustainable weight loss.
Percentage of total daily calories from carbohydrates on high-carb days (e.g., 50%).
Percentage of total daily calories from carbohydrates on low-carb days (e.g., 20%).
Percentage of total daily calories from protein, generally consistent across carb cycling days (e.g., 30%).

Your Carb Cycling Strategy

kcal Basal Metabolic Rate
kcal Total Daily Energy Expenditure
kcal Target Calories (High Carb Day)
kcal Target Calories (Low Carb Day)
Assumptions & Formulas:

This calculator estimates your macronutrient targets based on your weight, activity level, and chosen caloric deficit. BMR is calculated using the Mifflin-St Jeor equation. TDEE is BMR multiplied by your activity factor. Target calories are TDEE minus your deficit. Carbohydrate and Protein targets are calculated as a percentage of these daily calories, with fats making up the remainder.

Note: On high-carb days, you'll consume your 'Target Calories (High Carb Day)' with the specified carb and protein percentages. On low-carb days, you'll consume 'Target Calories (Low Carb Day)' with the specified carb and protein percentages. Fat intake will adjust to meet total calories.

Macronutrient Breakdown Comparison

Comparison of Macronutrient Distribution (Grams) on High-Carb vs. Low-Carb Days

Estimated Daily Shopping List Quantities (Grams)

Nutrient High-Carb Day Low-Carb Day
Carbohydrates (g)
Protein (g)
Fats (g)
Estimated grams of Macronutrients needed daily for your carb cycling plan.

What is Carb Cycling Natural Shopping List Weight Calculation?

Carb cycling natural shopping list weight calculation is a dietary approach that strategically varies your carbohydrate intake throughout the week or month. Instead of a consistent macronutrient ratio, you alternate between higher-carbohydrate days and lower-carbohydrate days. This method is often employed by individuals looking to optimize fat loss, improve athletic performance, and enhance insulin sensitivity. The "natural shopping list" aspect emphasizes using whole, unprocessed foods for these cycles, ensuring you're fueling your body with nutrient-dense options. The "weight calculation" component refers to determining the precise macronutrient targets (especially carbohydrates) needed to support your specific weight management goals within this cycling framework.

This approach is particularly beneficial for individuals who have hit weight loss plateaus, athletes seeking to balance energy levels for training with fat-burning periods, or those looking to improve metabolic flexibility. It's not about eliminating carbs but rather about strategically timing and modulating them to work synergistically with your body's hormonal responses.

A common misconception is that carb cycling is overly complicated or requires strict adherence to pre-defined meal plans. In reality, once you understand the basic principles and calculate your individual needs, it can be adapted to various dietary preferences and lifestyles. Another myth is that it's only for bodybuilders; individuals focused on general health and sustainable weight loss can also reap significant rewards from a well-planned carb cycling strategy. The key is understanding your body's response and adjusting accordingly, making accurate calculation tools like this carb cycling natural shopping list weight calculator indispensable.

Carb Cycling Natural Shopping List Weight Calculation Formula and Mathematical Explanation

The core of the carb cycling natural shopping list weight calculation involves estimating your total daily energy expenditure (TDEE) and then allocating macronutrients based on your chosen carb cycling pattern and weight loss goals. Here's a step-by-step breakdown:

  1. Calculate Basal Metabolic Rate (BMR): This is the number of calories your body burns at rest. We use the Mifflin-St Jeor equation, a widely accepted formula:
    For men: BMR = (10 × weight in kg) + (6.25 × height in cm) – (5 × age in years) + 5
    For women: BMR = (10 × weight in kg) + (6.25 × height in cm) – (5 × age in years) – 161 *(Note: For simplicity in this calculator, we primarily use weight and activity level, as height and age are often less variable for broad estimations. A more precise calculation would include them.)*
  2. Calculate Total Daily Energy Expenditure (TDEE): This is your BMR multiplied by an activity factor that represents your daily calorie burn from physical activity.
    TDEE = BMR × Activity Factor
  3. Determine Target Calorie Intake for Weight Loss: To lose weight, you need to consume fewer calories than your TDEE. A common deficit is 500 calories per day for approximately 1 pound of fat loss per week.
    Target Calories = TDEE – Caloric Deficit
  4. Allocate Macronutrients: This is where carb cycling comes in.
    • Protein: A consistent percentage is usually maintained across all days. Protein has 4 calories per gram.
      Protein Calories = Target Calories × (Protein Percentage / 100)
      Protein (grams) = Protein Calories / 4
    • Carbohydrates: The percentage varies based on the day. Carbohydrates have 4 calories per gram.
      On High-Carb Days:
      Carbohydrate Calories = Target Calories × (Carb High Day Percentage / 100)
      Carbohydrates (grams) = Carbohydrate Calories / 4
      On Low-Carb Days:
      Carbohydrate Calories = Target Calories × (Carb Low Day Percentage / 100)
      Carbohydrates (grams) = Carbohydrate Calories / 4
    • Fats: Fats make up the remaining calories. Fats have 9 calories per gram.
      On High-Carb Days:
      Fat Calories = Target Calories – (Protein Calories + Carbohydrate Calories)
      Fats (grams) = Fat Calories / 9
      On Low-Carb Days:
      Fat Calories = Target Calories – (Protein Calories + Carbohydrate Calories)
      Fats (grams) = Fat Calories / 9

Variables Table

Variable Meaning Unit Typical Range/Example
Weight Current body weight. kg 50 – 150+ kg
Activity Factor Multiplier representing daily energy expenditure from physical activity. Unitless 1.2 (Sedentary) to 1.9 (Extra Active)
Caloric Deficit The number of calories subtracted from TDEE to promote fat loss. kcal/day 300 – 750 kcal/day
Carb High Day Percentage Percentage of total daily calories derived from carbohydrates on high-carb days. % 40% – 60%
Carb Low Day Percentage Percentage of total daily calories derived from carbohydrates on low-carb days. % 10% – 30%
Protein Percentage Percentage of total daily calories derived from protein, consistent across days. % 25% – 40%
BMR Basal Metabolic Rate. kcal/day 1200 – 2000+ kcal/day
TDEE Total Daily Energy Expenditure. kcal/day 1800 – 3000+ kcal/day
Target Calories Daily calorie intake goal for weight loss. kcal/day 1500 – 2500+ kcal/day
Carbohydrates (g) Daily grams of carbohydrates. grams Varies significantly by day type.
Protein (g) Daily grams of protein. grams Varies based on Target Calories and percentage.
Fats (g) Daily grams of fats. grams Varies based on remaining calories.

Practical Examples (Real-World Use Cases)

Let's illustrate how the carb cycling natural shopping list weight calculation works with practical examples:

Example 1: Sarah, Aiming for Fat Loss

Sarah is moderately active and wants to lose body fat.

  • Inputs:
  • Weight: 70 kg
  • Activity Level: Moderately Active (1.55)
  • Caloric Deficit: 500 kcal/day
  • Carb High Day Percentage: 50%
  • Carb Low Day Percentage: 20%
  • Protein Percentage: 30%

Calculations:
Estimated BMR (simplified): ~1500 kcal
TDEE = 1500 * 1.55 = 2325 kcal
Target Calories = 2325 – 500 = 1825 kcal

Outputs:

  • Main Result: Target ~1825 kcal/day
  • Intermediate Values: BMR ~1500 kcal, TDEE ~2325 kcal, High Carb Target ~1825 kcal, Low Carb Target ~1825 kcal (Note: Target calories are the same, but macro distribution differs)
  • High-Carb Day Macros:
    • Carbs: (1825 * 0.50) / 4 = ~228 g
    • Protein: (1825 * 0.30) / 4 = ~137 g
    • Fats: (1825 – (1825 * 0.50) – (1825 * 0.30)) / 9 = ~46 g
  • Low-Carb Day Macros:
    • Carbs: (1825 * 0.20) / 4 = ~91 g
    • Protein: (1825 * 0.30) / 4 = ~137 g
    • Fats: (1825 – (1825 * 0.20) – (1825 * 0.30)) / 9 = ~91 g

Shopping List Interpretation: On high-carb days, Sarah's shopping list should prioritize sources like oats, rice, fruits, and starchy vegetables, along with lean proteins. On low-carb days, she'll focus more on healthy fats (avocado, nuts, olive oil) and non-starchy vegetables, while keeping carb sources minimal and protein intake consistent. This strategy aims to leverage carbohydrate intake for energy and recovery on training days while promoting fat oxidation on rest or lower-intensity days.

Example 2: Mark, Endurance Athlete

Mark is very active and needs to fuel intense training sessions while still aiming for slight fat reduction.

  • Inputs:
  • Weight: 85 kg
  • Activity Level: Very Active (1.725)
  • Caloric Deficit: 300 kcal/day
  • Carb High Day Percentage: 55%
  • Carb Low Day Percentage: 25%
  • Protein Percentage: 35%

Calculations:
Estimated BMR (simplified): ~1800 kcal
TDEE = 1800 * 1.725 = 3105 kcal
Target Calories = 3105 – 300 = 2805 kcal

Outputs:

  • Main Result: Target ~2805 kcal/day
  • Intermediate Values: BMR ~1800 kcal, TDEE ~3105 kcal, High Carb Target ~2805 kcal, Low Carb Target ~2805 kcal
  • High-Carb Day Macros:
    • Carbs: (2805 * 0.55) / 4 = ~386 g
    • Protein: (2805 * 0.35) / 4 = ~245 g
    • Fats: (2805 – (2805 * 0.55) – (2805 * 0.35)) / 9 = ~31 g
  • Low-Carb Day Macros:
    • Carbs: (2805 * 0.25) / 4 = ~175 g
    • Protein: (2805 * 0.35) / 4 = ~245 g
    • Fats: (2805 – (2805 * 0.25) – (2805 * 0.35)) / 9 = ~109 g

Shopping List Interpretation: For Mark, high-carb days will be crucial for fueling demanding workouts, requiring significant portions of grains, fruits, and possibly energy gels or sports drinks. Protein intake remains high to support muscle repair. Low-carb days will involve more focus on healthy fats and vegetables, allowing his body to potentially tap into fat stores for energy while still providing adequate protein. This variation helps maintain high performance during training while encouraging fat utilization during periods of lower energy demand.

How to Use This Carb Cycling Natural Shopping List Weight Calculator

Using this carb cycling natural shopping list weight calculator is straightforward. Follow these steps to get your personalized macronutrient targets:

  1. Enter Your Weight: Input your current body weight in kilograms into the 'Your Current Weight (kg)' field.
  2. Select Activity Level: Choose the option that best describes your typical daily physical activity from the 'Activity Level' dropdown menu. This significantly impacts your estimated calorie needs.
  3. Set Caloric Deficit: Enter the desired daily caloric deficit in the 'Caloric Deficit for Weight Loss (kcal/day)' field. A deficit of 500 kcal is a common starting point for sustainable fat loss.
  4. Define Carb Percentages: Specify the percentage of your daily calories that will come from carbohydrates on 'High-Carb Days' and 'Low-Carb Days'.
  5. Set Protein Percentage: Enter the percentage of your daily calories that will come from protein. This is generally kept consistent across all days in a carb cycling plan.
  6. Calculate: Click the 'Calculate' button. The calculator will instantly display your estimated Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and your target calorie intake for both high-carb and low-carb days.
  7. View Shopping List Quantities: Below the results, you'll see a table showing the estimated daily grams of carbohydrates, protein, and fats for both high-carb and low-carb days. This table guides your natural shopping list choices.
  8. Interpret Results: Use the calculated gram amounts to plan your meals and structure your grocery shopping. Focus on whole, unprocessed foods that align with the macro targets for each day type.
  9. Reset: If you need to start over or adjust inputs, click the 'Reset' button to revert to default values.
  10. Copy Results: Use the 'Copy Results' button to easily save or share your calculated targets and key assumptions.

Reading Your Results: The 'Main Result' shows your overall daily calorie target, adjusted for weight loss. The intermediate values provide insight into your metabolic rate and expenditure. The table is your direct guide for what to buy and eat: more carb-dense foods on high-carb days, fewer carbs and more fats on low-carb days, with consistent protein intake.

Decision-Making Guidance: Use these numbers to create a weekly schedule. For example, schedule high-carb days around intense workouts or athletic events and low-carb days on rest days or days with lighter activity. Monitor your progress and adjust the deficit or macro percentages as needed based on how your body responds.

Key Factors That Affect Carb Cycling Natural Shopping List Weight Calculation Results

Several factors influence the accuracy and effectiveness of your carb cycling calculations and subsequent shopping list strategy:

  • Accuracy of Activity Level: Underestimating or overestimating your activity level is a common pitfall. Daily jobs involving physical labor, frequent intense workouts, or sedentary desk jobs dramatically alter TDEE. Be honest about your lifestyle for a precise calculation.
  • Metabolic Adaptation: Over extended periods, your metabolism can adapt to a consistent caloric deficit. Carb cycling aims to mitigate this by manipulating hormones like insulin and leptin, but the degree of adaptation varies individually.
  • Food Quality and Nutrient Density: The calculator provides macronutrient targets. However, the *quality* of those calories matters immensely. Choosing whole, natural foods (fruits, vegetables, lean proteins, healthy fats) over processed options ensures you receive essential micronutrients, fiber, and satiety, impacting overall health and weight loss success. This directly influences your natural shopping list composition.
  • Hormonal Fluctuations: Factors like stress (cortisol levels), sleep quality, and hormonal cycles (especially in women) can influence appetite, metabolism, and fat storage, indirectly affecting how your body responds to calculated targets.
  • Hydration Levels: Adequate water intake is crucial for metabolic processes, energy levels, and appetite regulation. Dehydration can skew perceived hunger and energy, impacting adherence to your plan.
  • Individual Response and Genetics: People respond differently to macronutrient variations. Some thrive on higher carbs, others on lower. Genetic predispositions and existing metabolic conditions play a role. Regularly assessing how you feel, your energy levels, and your progress is key to fine-tuning your carb cycling strategy.
  • Consistency and Adherence: Even the most precise calculation is useless without consistent application. Sticking to your high-carb and low-carb days, even when motivation wanes, is paramount for seeing results.

Frequently Asked Questions (FAQ)

Q1: What is the best way to schedule my high-carb and low-carb days?

A: A common approach is to align high-carb days with your most intense workouts or training days to maximize performance and glycogen replenishment. Low-carb days can then be scheduled on rest days or days with lighter activity to encourage fat utilization.

Q2: Do I need to calculate calories for each meal?

A: While precise tracking can be beneficial, the primary goal is to meet your total daily macronutrient targets. Focus on building balanced meals within those targets. Many find success using a flexible approach rather than strict meal-by-meal calorie counting, especially when focusing on natural foods.

Q3: How long should I carb cycle for?

A: Carb cycling can be a short-term strategy to break through plateaus or a longer-term approach for managing weight and performance. Listen to your body; if you feel consistently depleted or unwell, it might be time to reassess or take a break.

Q4: Can I use this calculator if I'm not trying to lose weight?

A: While the calculator includes a deficit for weight loss, the core macronutrient distribution principles can be adapted. You could adjust the deficit to zero or a slight surplus for maintenance or muscle gain, then apply the carb cycling percentages.

Q5: What are examples of "natural" foods for each macro category?

A: Carbs: Oats, quinoa, rice, sweet potatoes, fruits, beans, lentils. Proteins: Chicken breast, fish, lean beef, eggs, tofu, Greek yogurt. Fats: Avocados, nuts, seeds, olive oil, fatty fish.

Q6: What if my results seem too low or too high?

A: Individual metabolic rates vary. If the calculated TDEE seems significantly off based on your perceived energy needs or rate of weight change, consult a healthcare professional or registered dietitian. You may need to adjust the activity level or deficit based on your experience.

Q7: How often should I update my carb cycling natural shopping list weight calculation?

A: It's recommended to recalculate your targets every 10-15 pounds of weight lost or if your activity level changes significantly. As your body weight decreases, your TDEE also decreases, requiring adjustments to maintain a consistent deficit.

Q8: Is carb cycling suitable for vegetarians or vegans?

A: Yes, carb cycling can be adapted for vegetarian and vegan diets. The challenge lies in meeting protein requirements, especially on low-carb days, which may involve incorporating more plant-based protein powders, tofu, tempeh, and ensuring adequate fat sources.

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Please adjust deficit or other inputs."); return; } // Ensure macro percentages don't exceed 100% when combined var totalMacroPercentage = carbHighDayPercentage + proteinPercentage; var fatHighDayPercentage = 100 – totalMacroPercentage; if (fatHighDayPercentage < 5) fatHighDayPercentage = 5; // Ensure minimum fat var totalMacroPercentageLow = carbLowDayPercentage + proteinPercentage; var fatLowDayPercentage = 100 – totalMacroPercentageLow; if (fatLowDayPercentage < 5) fatLowDayPercentage = 5; // Ensure minimum fat // Calculate calories for each macro var highCarbCalories = targetCalories; var lowCarbCalories = targetCalories; // Target calories are the same, macros differ var highCarbMacroCalories = highCarbCalories * (carbHighDayPercentage / 100); var proteinMacroCalories = targetCalories * (proteinPercentage / 100); // Protein % is consistent var fatHighMacroCalories = highCarbCalories * (fatHighDayPercentage / 100); var lowCarbMacroCalories = lowCarbCalories * (carbLowDayPercentage / 100); var fatLowMacroCalories = lowCarbCalories * (fatLowDayPercentage / 100); // Convert calories to grams var highCarbGrams = highCarbMacroCalories / 4; var proteinGrams = proteinMacroCalories / 4; var fatGrams = fatHighMacroCalories / 9; var lowCarbGrams = lowCarbMacroCalories / 4; var proteinGramsLow = proteinMacroCalories / 4; // Protein grams are the same var fatGramsLow = fatLowMacroCalories / 9; // Display results document.getElementById("mainResult").textContent = Math.round(targetCalories) + " kcal"; document.getElementById("bmrValue").textContent = Math.round(estimatedBmr); document.getElementById("tdeeValue").textContent = Math.round(tdee); document.getElementById("highCarbCalories").textContent = Math.round(highCarbCalories); document.getElementById("lowCarbCalories").textContent = Math.round(lowCarbCalories); document.getElementById("highCarbGrams").textContent = Math.round(highCarbGrams); document.getElementById("proteinGrams").textContent = Math.round(proteinGrams); document.getElementById("fatGrams").textContent = Math.round(fatGrams); document.getElementById("lowCarbGrams").textContent = Math.round(lowCarbGrams); document.getElementById("proteinGramsLow").textContent = Math.round(proteinGramsLow); document.getElementById("fatGramsLow").textContent = Math.round(fatGramsLow); document.getElementById("resultsSection").style.display = "block"; // Update Chart updateChart(highCarbGrams, proteinGrams, fatGrams, lowCarbGrams, proteinGramsLow, fatGramsLow); } // Function to reset calculator inputs to default values function resetCalculator() { document.getElementById("weight").value = 70; document.getElementById("activityLevel").value = "1.55"; // Moderately Active document.getElementById("deficit").value = 500; document.getElementById("carbHighDayPercentage").value = 50; document.getElementById("carbLowDayPercentage").value = 20; document.getElementById("proteinPercentage").value = 30; // Clear error messages document.getElementById("weightError").textContent = ""; document.getElementById("deficitError").textContent = ""; document.getElementById("carbHighDayPercentageError").textContent = ""; document.getElementById("carbLowDayPercentageError").textContent = ""; document.getElementById("proteinPercentageError").textContent = ""; document.getElementById("resultsSection").style.display = "none"; // Clear chart and table var ctx = document.getElementById("macroChart").getContext("2d"); ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height); document.getElementById("highCarbGrams").textContent = "–"; document.getElementById("proteinGrams").textContent = "–"; document.getElementById("fatGrams").textContent = "–"; document.getElementById("lowCarbGrams").textContent = "–"; document.getElementById("proteinGramsLow").textContent = "–"; document.getElementById("fatGramsLow").textContent = "–"; } // Function to copy results to clipboard function copyResults() { var mainResult = document.getElementById("mainResult").textContent; var bmr = document.getElementById("bmrValue").textContent; var tdee = document.getElementById("tdeeValue").textContent; var highCarbCal = document.getElementById("highCarbCalories").textContent; var lowCarbCal = document.getElementById("lowCarbCalories").textContent; var highCarbGrams = document.getElementById("highCarbGrams").textContent; var proteinGrams = document.getElementById("proteinGrams").textContent; var fatGrams = document.getElementById("fatGrams").textContent; var lowCarbGrams = document.getElementById("lowCarbGrams").textContent; var proteinGramsLow = document.getElementById("proteinGramsLow").textContent; var fatGramsLow = document.getElementById("fatGramsLow").textContent; var assumptions = "Key Assumptions:\n"; assumptions += "Weight: " + document.getElementById("weight").value + " kg\n"; assumptions += "Activity Level: " + document.getElementById("activityLevel").options[document.getElementById("activityLevel").selectedIndex].text + "\n"; assumptions += "Caloric Deficit: " + document.getElementById("deficit").value + " kcal/day\n"; assumptions += "Carb High Day %: " + document.getElementById("carbHighDayPercentage").value + "%\n"; assumptions += "Carb Low Day %: " + document.getElementById("carbLowDayPercentage").value + "%\n"; assumptions += "Protein %: " + document.getElementById("proteinPercentage").value + "%\n"; var textToCopy = "— Carb Cycling Strategy —\n\n"; textToCopy += "Main Result: " + mainResult + "\n"; textToCopy += "Estimated BMR: " + bmr + "\n"; textToCopy += "Estimated TDEE: " + tdee + "\n"; textToCopy += "Target Calories (High Carb Day): " + highCarbCal + "\n"; textToCopy += "Target Calories (Low Carb Day): " + lowCarbCal + "\n\n"; textToCopy += "— Daily Shopping List Quantities (Grams) —\n"; textToCopy += "High-Carb Day:\n"; textToCopy += " Carbohydrates: " + highCarbGrams + "\n"; textToCopy += " Protein: " + proteinGrams + "\n"; textToCopy += " Fats: " + fatGrams + "\n"; textToCopy += "Low-Carb Day:\n"; textToCopy += " Carbohydrates: " + lowCarbGrams + "\n"; textToCopy += " Protein: " + proteinGramsLow + "\n"; textToCopy += " Fats: " + fatGramsLow + "\n\n"; textToCopy += assumptions; navigator.clipboard.writeText(textToCopy).then(function() { alert("Results copied to clipboard!"); }, function() { alert("Failed to copy results. Please copy manually."); }); } // Chart Update Function var macroChartInstance = null; // Global variable to hold chart instance function updateChart(highCarbG, proteinG, fatG, lowCarbG, proteinGLow, fatGLow) { var ctx = document.getElementById("macroChart").getContext("2d"); // Destroy previous chart instance if it exists if (macroChartInstance) { macroChartInstance.destroy(); } // Use 'new Chart(ctx, {…})' for newer Chart.js versions, but we're sticking to basic canvas API here for purity. // Since we're not using Chart.js library, we'll draw a simple bar chart representation. // This requires manual drawing logic. For simplicity, let's assume a simplified bar chart. // Clear previous drawing ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height); var canvasWidth = ctx.canvas.width; var canvasHeight = ctx.canvas.height; var barWidth = 30; var barSpacing = 20; var groupSpacing = 50; var maxValue = Math.max(highCarbG, proteinG, fatG, lowCarbG, proteinGLow, fatGLow) || 100; // Default to 100 if all are 0 // Scale factor var scale = (canvasHeight – 50) / maxValue; // -50 for top padding // Colors for bars var colors = [ 'rgba(54, 162, 235, 0.7)', // Blue for Carbs 'rgba(255, 99, 132, 0.7)', // Red for Protein 'rgba(255, 206, 86, 0.7)' // Yellow for Fats ]; // — Draw High-Carb Day Bars — var xPosHighCarb = (canvasWidth / 2 – (barWidth * 3 + barSpacing * 2) / 2); // Carbs ctx.fillStyle = colors[0]; ctx.fillRect(xPosHighCarb, canvasHeight – (highCarbG * scale), barWidth, highCarbG * scale); ctx.fillStyle = '#333'; ctx.font = '12px Arial'; ctx.textAlign = 'center'; ctx.fillText(Math.round(highCarbG) + 'g', xPosHighCarb + barWidth / 2, canvasHeight – (highCarbG * scale) – 10); ctx.fillText('Carbs', xPosHighCarb + barWidth / 2, canvasHeight – 5); // Protein ctx.fillStyle = colors[1]; ctx.fillRect(xPosHighCarb + barWidth + barSpacing, canvasHeight – (proteinG * scale), barWidth, proteinG * scale); ctx.fillText(Math.round(proteinG) + 'g', xPosHighCarb + barWidth + barSpacing + barWidth / 2, canvasHeight – (proteinG * scale) – 10); ctx.fillText('Protein', xPosHighCarb + barWidth + barSpacing + barWidth / 2, canvasHeight – 5); // Fats ctx.fillStyle = colors[2]; ctx.fillRect(xPosHighCarb + (barWidth + barSpacing) * 2, canvasHeight – (fatG * scale), barWidth, fatG * scale); ctx.fillText(Math.round(fatG) + 'g', xPosHighCarb + (barWidth + barSpacing) * 2 + barWidth / 2, canvasHeight – (fatG * scale) – 10); ctx.fillText('Fats', xPosHighCarb + (barWidth + barSpacing) * 2 + barWidth / 2, canvasHeight – 5); // — Draw Low-Carb Day Bars — var xPosLowCarb = xPosHighCarb + (barWidth * 3 + barSpacing * 2) + groupSpacing; // Carbs ctx.fillStyle = colors[0]; ctx.fillRect(xPosLowCarb, canvasHeight – (lowCarbG * scale), barWidth, lowCarbG * scale); ctx.fillText(Math.round(lowCarbG) + 'g', xPosLowCarb + barWidth / 2, canvasHeight – (lowCarbG * scale) – 10); ctx.fillText('Carbs', xPosLowCarb + barWidth / 2, canvasHeight – 5); // Protein ctx.fillStyle = colors[1]; ctx.fillRect(xPosLowCarb + barWidth + barSpacing, canvasHeight – (proteinGLow * scale), barWidth, proteinGLow * scale); ctx.fillText(Math.round(proteinGLow) + 'g', xPosLowCarb + barWidth + barSpacing + barWidth / 2, canvasHeight – (proteinGLow * scale) – 10); ctx.fillText('Protein', xPosLowCarb + barWidth + barSpacing + barWidth / 2, canvasHeight – 5); // Fats ctx.fillStyle = colors[2]; ctx.fillRect(xPosLowCarb + (barWidth + barSpacing) * 2, canvasHeight – (fatGLow * scale), barWidth, fatGLow * scale); ctx.fillText(Math.round(fatGLow) + 'g', xPosLowCarb + (barWidth + barSpacing) * 2 + barWidth / 2, canvasHeight – (fatGLow * scale) – 10); ctx.fillText('Fats', xPosLowCarb + (barWidth + barSpacing) * 2 + barWidth / 2, canvasHeight – 5); // Labels ctx.fillStyle = '#333'; ctx.textAlign = 'center'; ctx.font = '16px Arial'; ctx.fillText('High-Carb Day', xPosHighCarb + (barWidth * 3 + barSpacing * 2) / 2 , canvasHeight – 25); ctx.fillText('Low-Carb Day', xPosLowCarb + (barWidth * 3 + barSpacing * 2) / 2, canvasHeight – 25); // Y-axis scale labels (simplified) ctx.textAlign = 'right'; ctx.font = '10px Arial'; var numTicks = 5; for (var i = 0; i <= numTicks; i++) { var yVal = maxValue * (i / numTicks); var yPos = canvasHeight – (yVal * scale); ctx.fillText(Math.round(yVal) + 'g', 40, yPos); } ctx.fillText('Grams', 40, canvasHeight / 2); // Legend (simplified) var legendX = canvasWidth – 100; var legendY = 20; ctx.font = '12px Arial'; ctx.textAlign = 'left'; ctx.fillStyle = colors[0]; ctx.fillRect(legendX, legendY, 15, 15); ctx.fillStyle = '#333'; ctx.fillText('Carbs', legendX + 20, legendY + 12); ctx.fillStyle = colors[1]; ctx.fillRect(legendX, legendY + 20, 15, 15); ctx.fillStyle = '#333'; ctx.fillText('Protein', legendX + 20, legendY + 32); ctx.fillStyle = colors[2]; ctx.fillRect(legendX, legendY + 40, 15, 15); ctx.fillStyle = '#333'; ctx.fillText('Fats', legendX + 20, legendY + 52); } // Initial calculation on page load with default values document.addEventListener("DOMContentLoaded", function() { calculateCarbCycling(); });

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