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What Is BHB? A Plain Guide to Exogenous Ketones

What Is BHB? A Plain Guide to Exogenous Ketones

The honest answer

  • BHB is a ketone body your liver makes during fasting or very low-carb eating.
  • Studies use about 6 to 12 grams of BHB salts to raise blood ketones.
  • Raising blood ketones does not mean you are burning stored body fat.

What BHB is

Beta-hydroxybutyrate (BHB) is the main ketone body your liver produces when carbohydrate is scarce. Supplements sell it as "exogenous" ketones, usually bound to minerals as BHB salts.

Doses used in research

Studies that measurably raise blood ketones typically use 6 to 12 grams or more per serving (Examine summary). A review of ketone supplements and blood glucose is available in this meta-analysis.

Ketones are not fat burning

When you drink ketones, your body uses them as fuel; it does not need to break down stored fat to make them. So higher blood ketones from a supplement are not proof of fat loss.

BHB in BurnTide

BurnTide's BHB shares a 525 mg blend with apple cider vinegar, a small fraction of research doses. That is why we say buy it for the vinegar, not the ketones. See the label explained and our review.

Who should avoid ketone products

People with type 1 diabetes or a history of ketoacidosis should not use them without medical supervision. More in our safety guide.

Frequently asked questions

Will BHB supplements put me in ketosis?

Large doses can briefly raise blood ketones, but that is not the same as nutritional ketosis from diet. Small doses like those in BurnTide will not.

Do BHB salts help weight loss?

Evidence that exogenous ketones cause weight loss is weak. Diet and activity matter far more.

This guide is general information, not medical advice. Talk to your doctor before starting any supplement. We may earn a commission from links on this page; see our disclosure and editorial standards.

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