Does bone broth break a fast?
Bone broth contains nutrients and food energy, so it ends a no-calorie fasting window.
By FastWindowTimer · Content updated: · Not individually medically reviewed — see editorial policy
What the answer can tell you
Each row is specific to this item. An eating-rule verdict does not establish a biological outcome.
| Goal | How to read this verdict |
|---|---|
| Weight loss / calories | Count broth as intake; its effect depends on the whole diet. |
| Metabolic / insulin | Broth composition does not let this page measure insulin or ongoing ketosis. |
| Water-only / procedure rules | Broth is food and does not meet a water-only rule. |
| Autophagy: evidence limit | The cited source does not establish a dose of bone broth that preserves human autophagy. The timer cannot measure it. |
Serving and calories
Protein, fat and calories depend on the recipe and serving.
What to check in practice
Check a packaged broth label or recipe. Broth can be part of an eating period; calling it a fasting drink does not make it nutrient-free. It is not a plan for unsupervised multi-day fasting.
Does it depend on your fasting goal?
These verdicts describe eating rules, not a measured biological switch. Medical-test instructions and prescribed care take priority.
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Frequently asked questions
- Does broth become calorie-free if it is called a fasting broth?
- No. Use the recipe or nutrition label. The marketing name does not remove protein or other nutrients, and this page is not a plan for prolonged fasting.
Sources
- Healthline — Bone Broth: Nutrients, Benefits, and How to Make (opens in a new tab)
What this source supports: Describes broth ingredients and nutrient content.
What it cannot establish: No personal insulin, ketone or autophagy measurement; product-specific values must come from its label.
Source checked: