T4 (Levothyroxine Sodium) 100 mcg 100 Tablets – Thyroid Hormone for Fat Loss & Metabolism

Product Description:
T4 by Xeno Labs contains Levothyroxine Sodium, a synthetic thyroid hormone (thyroxine) designed to replicate the body’s natural T4 hormone. Each pack includes 100 tablets at 100 mcg each.

T4 is widely used in the bodybuilding and fitness community as a fat-loss enhancer, due to its ability to increase metabolism and accelerate calorie burning. Beyond athletic use, Levothyroxine is also prescribed medically for thyroid hormone replacement therapy, goiter prevention, and treatment of hypothyroidism.

Key Features

• Manufacturer: Xeno Labs

• Active Ingredient: Levothyroxine Sodium (T4)

• Strength: 100 mcg per tablet

• Pack Size: 100 tablets

• Form: Oral tablets

• Category: Thyroid hormone / Fat-loss agent

How T4 Works

• Mimics natural thyroxine hormone, regulating metabolic rate

• Increases calorie expenditure and fat oxidation

• Enhances protein, carbohydrate, and fat metabolism

• Stimulates tissue development including brain and bone growth

• Used in bodybuilding to cut excess body fat while preserving muscle mass

Uses & Benefits of T4

• Fat loss and cutting aid for athletes and bodybuilders

• Treats hypothyroidism (underactive thyroid)

• Prevents and treats goiter caused by hormone imbalance, surgery, or radiation

• Supports overall metabolism and energy regulation

• Often used in combination with clenbuterol or anabolic steroids during cutting cycles

Dosage & Administration

• Recommended Dosage: 100–400 mcg daily

• Cycle Duration: 4–10 weeks (depending on goals)

• Starting Protocol: Begin with 25 mcg daily, increasing every 5–6 days until target dose

• Timing: Take in the morning, 30 minutes before meals

• Frequency: Once daily

Possible Side Effects of T4

Improper use or high doses of Levothyroxine may cause:

• Increased sweating and heat sensitivity

• Mood swings and nervousness

• Diarrhea and gastrointestinal discomfort

• Shortness of breath or fatigue

• Headaches or insomnia

• Cardiovascular strain: irregular/fast heartbeat, chest pain

• Allergic reactions: rash, swelling of tongue/throat/face, dizziness

Who Should Avoid T4?

• Pregnant or breastfeeding women (without medical guidance)

• Individuals with heart disease or high blood pressure

• Patients with adrenal or pituitary disorders

• Those sensitive to thyroid hormone fluctuations