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Water Fasting Weight Loss Calculator NHS

Weight Loss Formula:

\[ Weight\ Loss\ (lb) = \frac{BMR\ (cal/day) \times Days}{3500} \]

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days

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1. What is Water Fasting Weight Loss Calculation?

The water fasting weight loss calculation estimates potential weight loss during a water fast based on NHS guidelines. It uses your basal metabolic rate (BMR) and fasting duration to predict weight reduction.

2. How Does the Calculator Work?

The calculator uses the NHS formula:

\[ Weight\ Loss\ (lb) = \frac{BMR\ (cal/day) \times Days}{3500} \]

Where:

Explanation: The formula calculates weight loss based on the principle that a deficit of 3500 calories results in approximately 1 pound of weight loss.

3. Importance of Weight Loss Calculation

Details: Understanding potential weight loss during water fasting helps set realistic expectations and plan fasting periods safely under medical supervision.

4. Using the Calculator

Tips: Enter your BMR in calories per day and the planned fasting duration in days. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Is water fasting safe for weight loss?
A: Water fasting should only be undertaken with medical supervision as it can have serious health risks if not properly managed.

Q2: How accurate is this calculation?
A: This provides an estimate based on calorie deficit principles. Actual results may vary based on individual metabolism and other factors.

Q3: Where does the 3500 calories per pound come from?
A: This is a widely accepted estimate that 3500 calories equals approximately 1 pound of body weight, based on NHS guidelines.

Q4: Should I use this calculator for extended fasting?
A: Extended fasting requires medical supervision. This calculator provides estimates but should not replace professional medical advice.

Q5: How do I calculate my BMR?
A: BMR can be estimated using various formulas (Harris-Benedict, Mifflin-St Jeor) or measured through medical tests. Consult a healthcare provider for accurate BMR measurement.

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