Short answer: BHB (beta-hydroxybutyrate) is the energy molecule your body produces when it shifts to burning fat instead of carbohydrates — a category where ingredient mechanism and honest evidence limitations matter more than marketing claims alone.
What "supporting BHB production" actually means
Rather than supplying synthetic exogenous ketones directly, some formulas like BioVanish focus on nutritionally supporting your body's own BHB production — a genuinely different mechanism worth understanding.
What to check when evaluating any BHB supplement
Look for named, specific ingredients — like 9-C Fats or coconut extract — rather than a vague "fat-burning blend" that doesn't disclose what's actually inside.
Why "without an extreme keto diet" is a meaningful distinction
BioVanish combines research-backed 9-C fats to help the body transition toward using fat for energy through BHB production, without requiring an extreme keto diet — a genuinely different positioning than traditional keto supplementation.