How to Fast as a Christian (A Beginner's Guide)

Fasting is one of the oldest spiritual practices in the Bible, yet many Christians today have never tried it or aren't sure what it's for. It's not about earning God's favour or crash-dieting with a spiritual label; it's about creating space to seek God more deeply. Here's a gentle beginner's guide to Christian fasting.

What fasting is

Fasting is voluntarily giving up something — usually food, for a set time — in order to focus on God. It's a way of saying, with our bodies, that we hunger for God more than for the things we've laid down. Throughout the Bible, God's people fasted when seeking him earnestly: for guidance, in repentance, in times of need, or simply to draw near.

Why fast?

Fasting isn't about impressing God or twisting his arm. Its purpose is to turn our attention toward him — to let physical hunger become a prompt for spiritual hunger. Every time you feel the absence of what you've given up, you're reminded to pray and to seek God. It's a way of clearing space in a cluttered life to focus on him, and of humbling ourselves before him.

It's about the heart

The prophet Joel captured the true spirit of fasting: 'rend your heart, and not your garments, and turn unto the LORD your God.' Fasting is worthless as mere outward performance or a hunger strike to get what we want. Jesus warned against fasting to be seen by others. It's an inward turning to God — and God looks at the heart, not the empty stomach.

How to begin

Start small and simple. You might skip one meal, or fast for part of a day, and spend the time you'd have eaten in prayer and Scripture instead. Have a purpose — something specific you're seeking God about. Drink plenty of water. And if fasting from food isn't wise for you medically, fast from something else that has a grip on your time or attention, like screens or social media, to the same end.

A few cautions

Fasting should be done wisely and humbly. If you have health conditions, are pregnant, or have a history of eating struggles, please talk to a doctor and consider fasting from something other than food. Keep it between you and God rather than announcing it. And remember it's not a spiritual competition or a way to earn anything — it's simply a means of seeking God, offered from a grateful heart.

Fasting is a gentle, ancient way of seeking God more deeply — of letting go of something good for a time to focus on the One who is better. Done from the heart, humbly and wisely, it can be a powerful spiritual discipline. Start small, keep your focus on God rather than the sacrifice, and let the hunger draw you to him. Fasting isn't about earning God's love; it's about making room to know it more.