An important message from Express Chemist

In these unprecedented times due to COVID-19 we are listening to the latest advice from the government and their health specialists. We are continuing to work in these challenging times so that we can serve the needs of our customers.

Please note that we are receiving a particularly high volume of orders, enquiries, telephone calls and emails. We are working exceptionally hard to process orders and respond to customer enquiries as quickly as possible. Unfortunately it is currently taking a little longer to process and dispatch orders than usual, so please allow 2-3 working days for shipment.

Please also note that postal services and couriers are experiencing similar challenges so please allow longer delivery times than usual. We would be grateful if you can be patient and not contact us regarding your order before these times are up so we can reduce the pressure on our customer service team.

Thank you for your patience and understanding.

If you have symptoms of coronavirus stay at home and self-isolate for 10 days.
For information about coronavirus please click here.

Keep well and stay safe.

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See Also: Determining if you are overweight - Losing weight the healthy way - Common weight loss questions

What does BMI mean?

BMI stands for Body Mass Index. It is a commonly used method of determining if a person is a healthy weight or not.

About BMI

A person's BMI is calculated by dividing thier weight by their height. It is presented as a scale; generally, a healthy BMI is considered to be between 18 and 25, while a BMI of 25-30 is regarded as overweight. A BMI between 30-40 is considered obese and anything above 40 is considered seriously obese.

How do I calculate my BMI?

If you would like to know your Body Mass Index, we have a handy BMI calculator. It is quick and easy to use, and can calculate both metric and imperial measurements.

Is BMI accurate?

BMI calculations don't differentiate between muscle and body fat, so BMI should only be regarded as a rough indication of your body's health. Muscular and athletic individuals may find themselves in a high BMI category even though they are in good physical shape.

There is question at the moment as to whether BMI is an accurate assessment of a persons health, as it doesn't take body fat content into consideration. For most of us though, it is a good, quick indicator of the state that we are in.

If you would like to read more about BMI and other methods of assessing your body, please visit our determining body weight page.
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BMI Calculator

Express Chemist has a handy BMI calculator that can be used to determine your Body Mass Index. Your BMI is a measure of how heavy you are for your height. Generally, a healthy BMI is considered to be between 18 and 25. Anything below 18 is considered underweight, and anything above 25 is considered overweight. A BMI of 30 or higher is considered obese.
  • Alli - 84 Pack

    Alli - 84 Pack

    *Our weight loss recommendation* - If you are over 18 years of ages, have a BMI over 28 and are determined to lose weight in a healthy and sustainable manner, then we would like to recommend Alli.

    Alli is a version of the weight-loss treatment Xenical (also known as Orlistat) that can now be bought over the counter. Alli offers a fresh approach to long term, sustainable weight loss and it is not based on deprivation or starvation. When combined with a healthy diet and exercise, it is possible lose 1lb with Alli for every 2lbs you lose by yourself.

    (incl VAT)