What does a realistic weight loss pace look like?

Key takeaways

• The NHS suggests aiming for 0.5 to 1 kg a week. The US CDC suggests a similar range of 1 to 2 pounds.
• Losing 5% of your body weight is a meaningful health goal, not a consolation prize.
• In the main semaglutide trial, average weight loss was 14.9% over 68 weeks. That is an average across many people; individuals varied widely.
• Faster is not always better. Rapid loss increases the risk of muscle loss and gallstones.
• Weight loss slows and levels off over time. That is expected, not a failure.

How fast should you lose weight?

"Doctor, how many kilos a month?" is probably the question I hear most on the first video call. I understand why people ask. I won't give you a number I cannot stand behind, but I can tell you what the evidence says.

The NHS advises aiming for 0.5 to 1 kg a week. The US Centers for Disease Control and Prevention (CDC) gives a similar figure and notes that people who lose weight at a steady pace are more likely to keep it off.

That is the guidance for most adults trying to lose weight. Very low calorie diets, which can produce faster loss, are not suitable for everyone and are usually used only with medical and dietitian support.

Why is a 5% loss worth celebrating?

Many people set a target based on an old photograph or a number from their twenties. Normally I ask them to put the photograph away for a while. The CDC points out that even a 5% loss, which is 4 kg for an 80 kg person, can improve blood pressure, cholesterol and blood sugar, and reduce the risk of heart disease and type 2 diabetes.

Here is what common milestones look like in kilos:

Indians tend to develop diabetes and heart risk at a lower weight than many other populations, so even modest loss can matter a great deal. Read why BMI cut-offs are lower for Indians.

What does weight loss on GLP-1 medicines actually look like?

In the STEP 1 trial, adults without diabetes who took weekly semaglutide 2.4 mg alongside lifestyle support lost an average of 14.9% of their body weight over 68 weeks, compared with 2.4% on placebo. About 86% of those on semaglutide lost at least 5%.

Three things you should understand about these numbers:

1. They are averages. Some people lost much more, some much less. Your result depends on your biology, dose, side effects, food, activity and sleep.
2. The pace is uneven. Doses are increased gradually over several months, so early weight loss can be slow while the dose builds up. Many people then see steadier loss, followed by a slowdown.
3. Weight levels off. Nobody keeps losing forever. The body settles at a new point, and the focus then shifts to holding it.

So please do not compare yourself with a relative, a colleague or someone on social media. The cousin who lost "so much" at the last wedding is not your benchmark. That is very important to understand: the right pace is the one you can sustain while keeping your muscle and your health.

Why is losing weight too fast a problem?

See, what happens is, when weight drops quickly the body does not only lose fat. Risks rise with speed:

• Muscle loss. Without enough protein and strength training, a large share of fast weight loss can come from muscle. Read muscle loss on weight loss injections.
• Gallstones. Rapid weight loss increases the risk of gallstones. Pain under the right ribs, especially after fatty meals, needs a doctor's review.
• Hair shedding. Fast weight loss and low protein can trigger temporary hair fall a few months later. See hair fall during weight loss.
• Nutrient gaps. Eating very little can lower iron, B12 and vitamin D, causing tiredness and dizziness.
• Facial changes. Fast loss can make the face look hollow or tired. See face and skin changes after weight loss.
• Harder maintenance. Fast, extreme diets often end in rebound eating.

How should you measure progress?

The scale is only one measure, and it moves by a kilo or more from day to day with water, salt and hormones. A better picture comes from several signals:

• Weekly average weight, not single readings.
• Waist measurement every two weeks, at the navel.
• Strength. Are your squats, push-ups or weights improving?
• Health numbers. HbA1c, blood pressure, cholesterol and liver tests at review points.
• Daily life. Climbing stairs at the station, sitting on the floor for a pooja, energy in the afternoon, how clothes fit.

What timeline is sensible to expect?

Rather than a monthly kilo target, I ask people to think in phases:

This is a general pattern, not a promise. Some people move through it faster, others slower. In chess you win if you checkmate the person, so it's about results, not about how fast you moved your pieces in the first ten minutes.

How I approach this at Dr Tvacha

In the Endgame Weight Programme, I set goals around health and strength, not just kilos, and I review your trend every month. We increase doses only when you are ready, and I share a written taper and maintenance plan from month one, so the end is planned from the start. The programme is online across India; details are on the weight loss page.

Written by

Dr Amit KarkhanisAesthetic Physician · MBBS, Dip. Dermatology (UK) · Reg. No. 2001/02/1124

Founder of Dr Tvacha, practising in Thane since 2005. Leads the weight loss and hair programmes.