Before intermittent fasting became a wellness buzzword, it was a sacred practice.
For thousands of years, God’s people have fasted — not to release weight, not to optimize their metabolism, but to draw near. If you’re curious about the spiritual roots of fasting and what God’s Word actually teaches about it, this is for you.
Fasting Is Woven Through Scripture
Fasting appears throughout both the Old and New Testaments — not as an obscure or extreme practice, but as a natural rhythm of spiritual life.
Moses fasted (Exodus 34:28). David fasted (2 Samuel 12:16). Elijah fasted (1 Kings 19:8). Esther fasted before the most pivotal moment of her life (Esther 4:16). Daniel fasted for breakthrough (Daniel 10:3). Joel called the people to fast in times of national crisis (Joel 2:12).
And Jesus — not as a directive but as an assumption — said “when you fast” (Matthew 6:16), not “if you fast.” He expected his followers to practice it.
Why Did They Fast?
Biblical fasting was rarely about physical health — though the physical benefits were often a byproduct. People fasted for mourning and repentance. For clarity and direction. For intercession on behalf of others. For spiritual warfare. For breakthrough. For a deeper encounter with God.
The common thread is surrender. When you stop feeding the physical body, something happens in the spiritual realm. The noise quiets. The appetite of the soul becomes more audible than the appetite of the stomach.
What Fasting Is Not
Isaiah 58 is one of the most important passages on fasting in all of Scripture. God rebukes the people for fasting in a way that is performative and self-serving — while ignoring justice and the needs of those around them. “Is not this the kind of fasting I have chosen: to loose the chains of injustice… to share your food with the hungry…?” (Isaiah 58:6-7)
Fasting is not a ritual that earns God’s favor. It is not a mechanism for getting what you want. It is not a diet spiritualized. True fasting changes the person who is fasting — it softens, humbles, and aligns the heart with what matters to God.
What Fasting Is
Fasting is an act of trust. It is saying, with your body, what you believe in your soul: that God is your sustenance. Not food. Not approval. Not comfort. Not distraction.
When you fast, you create a physical posture of dependence that can unlock something spiritually that busy, well-fed comfort rarely does.
Many women who come to Fast to Faith expecting to release weight find that what they actually lose — the anxiety, the shame, the spiritual dryness, the feeling of disconnection — matters more than any number on a scale.
The Science and the Spirit Say the Same Thing
This is what I’ve spent my career showing women: Scripture and science have been saying the same thing all along. Romans 12:2 is the original neuroplasticity protocol. Fasting improves metabolic flexibility, reduces inflammation, and enhances cognitive function. It also creates spiritual clarity that no supplement can replicate.
You don’t have to choose between the two. The Fast to Faith approach holds both.
Ready to Experience This for Yourself?
The 5-Day Empowered by Faith Challenge combines faith-based fasting practices with practical tools for women’s hormonal health. It is a beautiful place to start if you want to experience what it means to fast in partnership with God rather than in warfare against your body.
It’s free. It’s guided. And it works.
Hear Dr. Tabatha go deeper on this.
Listen to Episode 277: How a 40 Day Faith Fueled Fast Rebuilds
Ready To Be Walked Through It Instead Of Figuring It Out Alone?
When you join, you’ll be personally assigned to one of our Certified Fast to Faith® Coaches within 24 hours. She’ll know your name before your first check-in.
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