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Fat Burner Overview

Jun 15, 2025

Overview

Greg Doucette discusses his top five fat-burning compounds, their effects, his current regimen for competition prep, and general advice regarding fat loss agents.

Top Five Fat Burners

  • T3 (thyroid medication) increases metabolism and caloric burn but should only be used under medical supervision due to potential side effects.
  • Fragment 176-191 is a peptide derived from growth hormone that targets fat loss without affecting muscle or recovery, typically injected subcutaneously.
  • Clenbuterol boosts energy, increases non-exercise activity thermogenesis (NEAT), and suppresses appetite, but most people overdose on it.
  • GW501516 enhances endurance, allowing harder and longer workouts, indirectly supporting greater fat loss through increased training capacity.
  • Stimulant-based over-the-counter fat burners—including caffeine, ephedrine, guarana, synephrine, and Dendrobium—are the most commonly used for energy and appetite suppression.

Usage and Recommendations

  • T3 added three weeks before a show at 15 micrograms twice daily, mainly for an increase in body heat and metabolism.
  • Fragment 176-191 can be used for sustained periods without significant tolerance; typical protocol is daily use, increasing frequency over time.
  • Clenbuterol started at 10 micrograms, then increased to 15 micrograms, should not be started earlier than eight weeks before a show.
  • GW501516 began at 10 milligrams and increased to 20 milligrams over a month, aids in workout endurance but does not suppress appetite.
  • Stimulants are best used before workouts to minimize tolerance, starting with a low dose and increasing slowly if necessary.

Cautions and Disclaimers

  • All compounds discussed should only be used under physician supervision; self-administration carries significant health risks.
  • Overuse and lack of medical oversight can lead to severe side effects and health issues.
  • Personal anecdotes are not medical advice; viewers should not emulate these practices without professional guidance.

Summary of Cutting Stack and Protocols

  • Current stack for competition: T3, Fragment 176-191, Clenbuterol, GW501516, and stimulant pre-workouts.
  • Dosages and timing vary, but the approach is to use the minimum effective amount for contest prep.
  • Emphasis on not using pharmacological aids for initial fat loss; focus on diet and activity first, with fat burners used only when progress plateaus.