Lose fat. Keep the muscle.

Name: AskDoc
Creator: AskDoc Medical Team

Every diet that works, works the same way. The trick is doing it without losing the strength that keeps you young.

Start the strength circuit that protects muscle A training class working out together

The part every diet shares

Keto, fasting, paleo, low fat: in controlled trials they all produce similar weight loss when calories and protein match. Each is a different fence around the same field, a calorie deficit. Pick the fence you can live behind for a year, because the diet you quit in March weighs more than the one you never started.

Why protein and lifting are non-negotiable

In a deficit your body will burn something, and given the chance it burns muscle along with fat. Two strength sessions a week and roughly 1.6 grams of protein per kilogram tell it to keep the muscle. That is the difference between looking lighter and looking stronger, and between a metabolism that holds and one that stalls.

A rate that holds

Half a kilogram to one kilogram a week is the sustainable band; faster than that and the losses start including muscle, sleep and patience. Expect the scale to stall for a week or two at a time while your waistband keeps shrinking. Weigh weekly at most, measure monthly, and judge by trend, not by Tuesday.

The quiet saboteurs

Liquid calories, weekend amnesia, and short sleep. Nights under seven hours push hunger hormones the wrong way and make the next day harder. A walk after meals, water instead of sugary drinks, and a boring consistent breakfast do more than any supplement sold for fat loss, which as a category does roughly nothing.

Make it yours

The free plan builder puts meals and a week of movement around your preferences. If you want it checked against your labs, conditions and medicines, a doctor and a certified coach write the Personal Diet & Fitness Plan for $99, delivered within 24 hours.

Build your free plan Find your calorie needs Why diets fail: the full guide

If you are buying a scale

Any consistent scale works if you weigh at the same time each morning. Smart scales that log the trend automatically make the habit stick, and the trend matters more than any single day.

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Want this built around your body?

A doctor and a certified coach write your plan around your conditions, joints, medicines and goal. $99, delivered within 24 hours, one free adjustment.

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Common questions

What is the best diet for losing weight?

The one you can keep for a year. Trials comparing named diets find similar results when calories and protein are matched, so pick by preference: structure lovers do well with tracking, snackers with fewer eating hours, big-plate people with high-volume vegetables.

Why am I not losing weight in a deficit?

Usually the deficit is smaller than it feels: portions drift, weekends differ, liquid calories hide. Water retention also masks fat loss for weeks at a time, especially with new exercise. Track honestly for two weeks and judge the trend.

Will exercise alone make me lose weight?

Rarely. Exercise builds the body the food deficit reveals, and it protects the loss you make. But out-eating a workout takes minutes, so the food side leads.

What exercise burns the most belly fat?

None specifically. Fat leaves in an order your genetics set, and no exercise targets the spot above it. The visceral fat around the organs goes first with overall loss, which is the fat that matters for health.

Written by the AskDoc Medical Team and reviewed under our Medical Director, MBBS. Health education, not a personal prescription.