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How big a deficit is safe when you have 20 kg to lose

How big a deficit is safe when you have 20 kg to lose

When you have a lot to lose, you burn more energy each day, so you can run a bigger deficit than a small person. But there is still a ceiling, and crossing it brings gallstones and muscle loss.

1 Aug 2026 · Burnie Academy
deficit safe-rate gallstones maths

You have 20 kg to lose. The number feels huge. You want it gone fast. So you wonder, can I just cut hard and finish in three months? Here is the honest answer. A bigger body can safely run a bigger deficit than a small one. But there is a ceiling. Cross it, and you lose muscle, not fat. Cross it more, and you risk gallstones. This short read is about where that ceiling sits for you.

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