Best Snacks for Intermittent Fasting (Stay Full Without Breaking Your Fast)

October 23, 2025Tuvy Lemberg

Intermittent fasting is simple in theory:

Don’t eat. Then eat. Repeat.

But in real life?

The hunger waves come. Your energy dips. Your brain begs for something crunchy. Your coworker offers you pastries (again). And suddenly you’re asking yourself the big question:

“What can I eat… without breaking my fast?”

Let’s clear it all up — what actually breaks a fast, what doesn’t, and the BEST snacks to support your fasting lifestyle (especially if you’re doing keto, low-carb, carnivore, or kosher).

And yes — we’ll explain exactly where Primal Krisp fits in.


First: What Actually Breaks a Fast?

There are three main approaches to intermittent fasting, each with different rules:

1. Clean Fasting (Strict)

This version allows:

  • Water
  • Black coffee
  • Plain tea
  • Electrolytes with no calories or sweeteners

Anything with calories breaks the fast — including protein, fat, and yes, even meat chips.

2. Modified Fasting (Flexible)

This version allows small amounts of:

  • Protein
  • Fat
  • Zero sugar snacks

As long as insulin stays low, many people consider this fasting-friendly.

3. Keto Fasting / Fat Fasting

This approach allows very low-carb, zero-sugar foods that don’t spike blood sugar.

It’s not “pure fasting,” but it helps maintain ketosis and avoid hunger crashes.


So What Can You Eat Without Killing Your Progress?

Here are the best fasting-friendly options depending on your method.


BEST Snacks for “Clean Fasting” (No Calories)

You can't eat any food during a clean fast — but you can still support your body.

  • Black coffee (no sweeteners)
  • Unsweetened tea
  • Mineral water
  • Electrolytes with zero sweeteners

If you want actual food, that’s for your EATING WINDOW. Keep reading.


BEST Snacks for “Flexible Fasting” (Low Insulin Response)

This approach allows high-protein, low-carb, zero-sugar foods that keep cravings stable.

Top picks:

1. Meat Chips (Best Option by FAR)

Why?

  • Zero carbs
  • High protein
  • No sugar
  • No preservatives
  • No oils
  • Doesn’t spike blood sugar
  • Actually satisfies hunger

Most intermittent fasters use meat chips strategically to:

  • extend their fast
  • avoid hunger crashes
  • stay on track while traveling or working

The cleanest, most fasting-friendly version? Primal Krisp.

2. Hard-Boiled Eggs

Great macros, but not portable-friendly.

3. Beef Sticks

Check labels — many contain sugar or preservatives.

4. Cheese (If you tolerate dairy)

High fat + protein, but not ideal for digestion during fasting.


BEST Snacks for “Keto or Fat Fasting”

1. Primal Krisp Meat Chips

If your fasting method allows protein and fat, meat chips are unbeatable.

They help you:

  • maintain ketosis
  • avoid carb cravings
  • keep insulin low
  • feel full without overeating

Unlike nuts or cheese, they are:

  • zero carb
  • zero sugar
  • zero dairy
  • zero preservatives
  • zero oil

Clean, lean, fasting-friendly fuel.

2. Nuts

Okay for some fasters — but calorie dense and easy to overeat.

3. Avocado

Healthy fat source — not great for portability.


How Meat Chips Fit Into an Intermittent Fasting Lifestyle

If you follow strict clean fasting — meat chips go in your eating window.

If you follow flexible fasting — meat chips help you extend your fast without spiking insulin.

If you follow keto fasting — meat chips are one of the best options available.


Why Primal Krisp Is the BEST Snack for Intermittent Fasting

Not all meat chips are clean. Some brands sneak in starches, oils, or preservatives.

Primal Krisp is the gold standard:

  • 0–1g carbs
  • High protein
  • No sugar
  • No oil
  • No preservatives
  • No fillers
  • Glatt Kosher certified (KCL + Star-K)
  • Crunch that satisfies cravings instantly

It’s one of the cleanest fasting-friendly snacks on the planet.


When to Eat Primal Krisp During Intermittent Fasting

✔️ During Your Eating Window

The perfect high-protein, low-carb snack.

✔️ Before Your Fast

Eat a bag to stay fuller longer.

✔️ At the END of Your Fast

Break your fast with clean protein instead of carbs.

✔️ During Flexible Fasting

Use small amounts to push through hunger waves.


Best Flavors for Intermittent Fasting

  • Chicken: Original — lean, pure protein
  • Brisket Krisps — satiating, rich, amazing for pre/post fast
  • BBQ Chicken Krisps — bold flavor, zero sugar

Final Verdict: The BEST Snack for Intermittent Fasting

If you want to:

  • stay full,
  • avoid carb cravings,
  • eat clean,
  • control hunger,
  • and keep insulin low…

Meat chips — especially Primal Krisp — are the ultimate fasting-friendly snack.

No carbs. No sugar. No weird ingredients. Just clean, primal protein.


Shop Fasting-Friendly Protein Snacks

  • Brisket Krisps
  • Chicken: Original
  • BBQ Chicken Krisps

Clean protein for clean fasting.

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