Thyroxyl (T3)

What is Thyroxyl (T3)?

Thyroxyl by Kalpa Pharmaceuticals is a thyroid hormone preparation containing Liothyronine Sodium, widely recognized in bodybuilding as T3. Known under pharmaceutical names like Cytomel or Tiromel, this compound dramatically increases metabolic rate, allowing athletes to burn fat faster and achieve sharper definition. Thyroxyl is especially popular during cutting cycles where maintaining muscle while dropping body fat is the ultimate goal. By elevating the body's metabolic processes, it transforms stored fat into energy, keeping performance levels high even under caloric restriction.

Main Effects

• Accelerates fat burning through increased metabolism
• Enhances muscle definition and vascularity
• Boosts energy levels during calorie-restricted diets
• Supports leaner, harder physique on cutting cycles
• Improves nutrient utilization and efficiency

How Bodybuilders Use It

Thyroxyl (T3) is typically used by bodybuilders during fat loss phases. A common protocol starts at 25 mcg per day, with gradual increases depending on tolerance and desired results. Advanced users may raise the dosage to 75–100 mcg daily, though cycles usually last no longer than 6–8 weeks. To avoid thyroid suppression, bodybuilders taper doses down toward the end of the cycle. It is often stacked with anabolic steroids to preserve muscle mass while accelerating fat loss, ensuring a shredded look without sacrificing strength. Proper hydration and a balanced diet further optimize results.

Recommended Stacks

• Thyroxyl (T3) + Stanoxyl 10 (Stanozolol) for a dry, vascular cutting look
• Thyroxyl (T3) + Testoxyl Propionate (Testosterone Propionate) to maintain strength during dieting
• Thyroxyl (T3) + Trenboxyl Acetate for maximum fat burning and extreme conditioning
• Thyroxyl (T3) + Primoxyl 100 (Methenolone Enanthate) for steady, lean gains with a natural look
• Thyroxyl (T3) + Oxanoxyl (Oxandrolone) for a female-friendly cutting cycle with minimal risk

Side Effects and Control

Possible side effects include increased heart rate, sweating, restlessness, or mild insomnia. These are dose-dependent and usually manageable by adjusting intake gradually. Tapering down at the end of the cycle helps restore natural thyroid function. To minimize discomfort, bodybuilders avoid excessive caffeine intake and ensure proper rest and recovery. When used responsibly, Thyroxyl provides outstanding fat loss benefits with manageable side effects.