14:10 Intermittent Fasting

14:10 intermittent fasting is a 14-hour daily fast followed by a 10-hour eating window. It's a small but meaningful step up from 12:12 — long enough to begin lowering insulin and shifting the body toward fat-burning, while still approachable for nearly everyone. Many people land on 14:10 naturally once 12:12 feels easy.

What it is

With 14:10, you fast for 14 hours and eat within a 10-hour window each day. A common pattern is finishing dinner at 6pm and breaking the fast at 8am, or stopping at 8pm and eating breakfast at 10am. Most of the fast still happens overnight, with just two extra waking hours of fasting in the morning.

The extra two hours beyond 12:12 matter. Around the 12–14 hour mark, insulin has usually dropped low enough that the body begins shifting from burning glucose to burning stored fat for fuel. You're not yet in deep ketosis or significant autophagy — that typically starts around 16 hours — but you're getting the early metabolic benefits.

How to start

If you've already been doing 12:12, the move to 14:10 is usually effortless. If you're starting from no fasting at all, do a week of 12:12 first to let your body adjust.

• Choose your eating window — 8am to 6pm and 10am to 8pm are both popular.
• Push breakfast back by one hour and pull dinner in by one hour. That's it.
• Hydrate first thing in the morning. Water, black coffee, plain tea, or yerba mate are fine and won't break the fast.
• Eat normally during your 10-hour window — protein, healthy fats, whole-food carbs, plenty of plants.
• Hold 14:10 for two to three weeks before deciding whether to stay or step up to 16:8.

Benefits

At 14 hours, the body begins to shift fuel sources. Benefits reported and studied at this level include:

• Lower fasting insulin and improved insulin sensitivity — the foundation of metabolic health.
• Earlier and more consistent fat oxidation, supporting body composition goals.
• Reduced late-night eating, which improves sleep and morning digestion.
• Steadier daytime energy with fewer mid-morning crashes.
• A meaningful but sustainable calorie reduction for most people, without tracking.
• A foundation for moving to 16:8 and beyond when you're ready.

Risks and considerations

14:10 is appropriate for most healthy adults, but the same cautions apply as with any fasting protocol:

• Pregnant or breastfeeding women, anyone with a history of disordered eating, and people on glucose-lowering medications should consult a healthcare provider before fasting.
• Don't compensate for the shorter window by eating more ultra-processed food. Quality still matters most.
• Morning hunger may intensify briefly as your body adapts — usually gone within a week.
• If you feel lightheaded, add a pinch of sea salt to water, or shorten back to 12:12 and try again in a few weeks.

Sample schedule

A common 14:10 schedule:

• 6:00pm — Finish dinner. Begin the fast.
• 6:00pm–8:00am — Fasting window. Water, black coffee, plain tea, or yerba mate.
• 8:00am — Break the fast with a nourishing breakfast.
• 12:30pm — Lunch.
• 3:30pm — Optional snack.
• 5:30pm — Dinner (finish by 6:00pm).

Yerba mate in the morning hours supports clean energy and curbs appetite without breaking the fast — many in our community drink a gourd through the fasting window.

Who it's for

14:10 is for you if 12:12 has started to feel too easy, if you want measurable metabolic benefits without committing to 16:8, or if you're building toward longer fasts gradually. It's also an excellent long-term rhythm for people whose bodies don't tolerate 16:8 well, or whose schedules make a 16-hour fast impractical. Many people find 14:10 their permanent home.

From Moses to the early church, fasting has been a rhythm of dependence — not a contest. 14:10 is a gentle, sustainable way to walk that path.