L-Thyroxine (Levothyroxine sodium) — synthetic T4 hormone
100 film-coated tablets × 0.1 mg (100 µg each)

• Thyroid replacement & metabolic research: converts to active T3, raising basal metabolic rate and supporting fat-loss studies.
• Standard research dosing: 25–100 µg daily, titrated in 12.5–25 µg steps every 7 days; monitor resting pulse & body temperature.
• Stack usage: often combined with Clenbuterol or Yohimbine for cutting protocols; ensure adequate caloric intake & electrolytes.
• Safety notes: avoid abrupt discontinuation; track TSH/T4 labs in long-term trials.
• QC: ≥ 99 % API purity (HPLC); GMP tablet press; tamper-evident cap with scratch-code authenticity.