Ingredient

3-hydroxy Butyric Acid Calcium Salt

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add this ingredient as a source of energy, particularly in foods marketed for …

What is 3-hydroxy Butyric Acid Calcium Salt?

3-hydroxybutyric acid calcium salt is a type of ketone body, which the body can use for energy. It is often produced synthetically for use in food products.

Is 3-hydroxy Butyric Acid Calcium Salt vegan?

3-hydroxy Butyric Acid Calcium Salt is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is 3-hydroxy Butyric Acid Calcium Salt a major allergen?

Not a major allergen.

What is 3-hydroxy Butyric Acid Calcium Salt used for?

Manufacturers add this ingredient as a source of energy, particularly in foods marketed for ketogenic diets.

Is 3-hydroxy Butyric Acid Calcium Salt safe?

This ingredient is generally recognized as safe (GRAS) by the FDA for use in food.

Why it's used

Manufacturers add this ingredient as a source of energy, particularly in foods marketed for ketogenic diets. It is commonly found in snack bars, meal replacement bars, and some snack foods.

Health notes

This ingredient is generally recognized as safe (GRAS) by the FDA for use in food. Ketone bodies like 3-hydroxybutyric acid are naturally produced by the body during fasting or low-carbohydrate diets. JECFA has evaluated ketone bodies and established acceptable daily intakes. Evidence does not suggest adverse health effects at typical consumption levels.

Allergen info

Not a major allergen.

Foods that contain 3-hydroxy Butyric Acid Calcium Salt

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Chocolate Chunk Brownie Flavored Meal Bar With Ketones, Chocolate Chunk Brownie Real Ketones, LLC DBA Kegenix Chocolate Chunk Brownie Flavored Meal Bar With Ketones, Chocolate Chunk Brownie Snack, Energy & Granola Bars High in saturated fat — 50% DV per serving 463kcal 21.9Protein 34.1Fat 36.6Carbs Real Ketones, LLC DBA Kegenix Spicy Nacho Keto Chips, Spicy Nacho Chips, Pretzels & Snacks High in saturated fat — 23% DV per serving 346kcal 30.8Protein 17.3Fat 19.2Carbs Real Ketones, LLC DBA Kegenix Mint Chocolate Chip Flavored Meal Bars, Mint Chocolate Chip Snack, Energy & Granola Bars High in saturated fat — 55% DV per serving 463kcal 21.9Protein 34.1Fat 34.1Carbs Real Ketones, LLC DBA Kegenix Peanut Butter Cup Flavored Meal Bar With Ketones, Peanut Butter Cup Snack, Energy & Granola Bars High in saturated fat — 50% DV per serving 463kcal 21.9Protein 34.1Fat 36.6Carbs
Riboflavin (69581 products) Folic Acid (69155 products) Thiamine Mononitrate (68530 products) Niacin (66705 products) Reduced Iron (44187 products) Ascorbic Acid (33706 products) Iron (18418 products) Vitamin A Palmitate (17571 products)

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%DV Explained: 5% Low, 20% High →

Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: October 5, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.