🔬Fuel

Highly Branched Cluster Dextrin

Highly branched cluster dextrin is a complex carbohydrate that provides sustained energy as a fuel source.

Clinical Dose: 15gFound in: 27 products

What Does Highly Branched Cluster Dextrin Do?

Highly Branched Cluster Dextrin (HBCD), often recognized by the brand name Cluster Dextrin®, is a premium carbohydrate source engineered to provide a steady stream of performance fuel without the digestive baggage of traditional sugars. Unlike dextrose or maltodextrin, HBCD has a high molecular weight and low osmolality, meaning it exits the stomach rapidly to be absorbed in the small intestine.

  • Rapid Gastric Emptying: Its unique structure allows it to pass through the stomach significantly faster than other carbs, virtually eliminating the "sloshing" feeling during heavy sets.
  • Sustained Glycemic Response: It provides a slow, controlled release of glucose into the bloodstream, preventing the massive insulin spikes and subsequent energy crashes associated with simple sugars.
  • Glycogen Sparing: By providing an immediate exogenous fuel source, it helps preserve your stored muscle glycogen, allowing you to maintain high intensity for longer durations.
  • Enhanced Recovery: When taken intra-workout, it initiates the recovery process early by reducing stress hormone responses and providing the raw materials needed for ATP synthesis.

Clinical vs. Gym Bro Dosing

TierDoseNotes
Minimum Effective5,000mgUseful for short, high-intensity sessions to maintain focus.
Standard Performance15,000mgThe clinical sweet spot for most lifters to sustain power output.
High Performance25,000mg+Recommended for endurance athletes or sessions exceeding 90 minutes.

Key Insight: To get the most out of Highly Branched Cluster Dextrin, sip it gradually throughout your workout rather than chugging it all at once. This ensures a constant drip of glucose to your working muscles and takes full advantage of its superior gastric emptying rate.

Side Effects & Warnings

  • Caloric Density: Like any carbohydrate, HBCD contains 4 calories per gram. If you are in a strict cutting phase, you must track these liquid calories to avoid stalling your progress.
  • Mild GI Pressure: While HBCD is the gold standard for digestion, taking extremely high doses (50g+) with insufficient water can still lead to a feeling of fullness or mild bloating.
  • Blood Sugar Management: Diabetics should monitor their blood glucose levels closely, as even though the release is sustained, it is still a significant source of glucose.

Tip: Always mix HBCD with at least 12-16 oz of water per 15g to ensure the osmolality remains low and the absorption remains lightning-fast.