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T4 50 mcg

Thyroid Prohormone

Lab Tested

Substance: Levothyroxine Sodium (T4)
Strength: 50 mcg/tablet
Form: Oral tablets
Packaging: 100 tablets
Manufacturer: Dragon Pharma, Europe

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Dragon Pharma T4

Dragon Pharma T4 50 mcg, containing Levothyroxine Sodium, offers a strategic and sustained approach to metabolic enhancement for athletes engaged in prolonged cutting or recomposition phases. As the synthetic version of the body's primary thyroid hormone, Thyroxine, T4 serves as a prohormone—a precursor that the liver and other tissues convert into the active hormone T3 (Triiodothyronine) on an as-needed basis. This key distinction provides T4 with a unique pharmacological profile: it delivers a steady, gradual elevation of metabolic rate rather than the sharp, immediate spike associated with direct T3 use. For the disciplined bodybuilder, this translates to a consistent, manageable increase in fat-burning capacity over several weeks, making it an excellent choice for longer dieting periods where steady progress and muscle preservation are prioritized over rapid, drastic changes.

Produced under exacting cGMP standards in Dragon Pharma's European facilities, each 50 mcg tablet ensures precise dosing of pure Levothyroxine Sodium. The long half-life of T4 (approximately 7 days) means that blood levels build up slowly and remain stable with daily administration, minimizing the peaks and troughs that can lead to side effects like energy crashes or pronounced muscle catabolism. Users experience a reliable boost in basal metabolic rate (BMR), leading to increased core temperature, enhanced calorie burn around the clock, and improved energy utilization from fat stores. This makes T4 particularly effective for breaking through stubborn fat-loss plateaus and for individuals who prefer a more subtle, sustained metabolic push over the intensity of T3 or stimulant-based fat burners.

ESSENTIAL CONSIDERATION: While T4 is often described as 'milder' than T3, it is still a potent thyroid hormone that suppresses natural thyroid production. Its catabolic potential on muscle tissue is real, though its slower action can make it somewhat more manageable. The cardinal rule remains: T4 must never be used without a muscle-protecting anabolic agent. Furthermore, due to its long half-life and slow onset, patience is required—results manifest over weeks, not days. A proper post-cycle taper is also crucial to facilitate the recovery of natural thyroid function.

Key Benefits:

Sustained Metabolic Elevation: Provides a steady, long-lasting increase in basal metabolic rate (BMR) through gradual conversion to active T3, promoting consistent 24/7 fat oxidation.
Ideal for Long Cutting Cycles: Its stable blood levels and milder daily impact make it perfectly suited for extended dieting phases of 8-12 weeks, supporting continuous fat loss.
Reduced Risk of Sharp Catabolism: The slower, more physiological release of active T3 may offer a slightly more favorable muscle-sparing profile compared to direct, high-dose T3 administration.
Stable Energy & Thermogenesis: Promotes a consistent increase in body temperature and energy expenditure without the dramatic spikes or crashes associated with faster-acting compounds.
Effective Plateau Breaker: Excellent for reigniting stalled fat loss by providing a reliable metabolic boost that complements ongoing diet and training efforts.

Each sachet contains 100 tablets of 50mcg Levothyroxine Sodium (T4), manufactured under strict quality control standards in Dragon Pharma's certified facilities.

Product Specifications

Product Name	T4 50 mcg
Manufacturer	Dragon Pharma
Substance	Levothyroxine Sodium (T4)
Packaging	100 tablets in sealed sachet
Lab Test Result	47.41 mcg (April 2025)
Half-Life	Approximately 7 days
Recommended Cycle	8 - 12 weeks (with taper)
Form	Oral tablet
Aromatization	No (Not a steroid)
Dosage (Men)	50 - 200 mcg per day (taken once in morning)

Usage Guidelines

Administration Note: For optimal absorption, take T4 first thing in the morning on a completely empty stomach with a full glass of water. Wait at least 30-60 minutes before consuming food, coffee, or other supplements, especially calcium or iron.

Beginner Cycle (8-10 weeks): Start with 50 mcg (1 tablet) daily. Maintain this dose for the entire first 2-3 weeks to assess tolerance and allow blood levels to stabilize. If well-tolerated, increase to 100 mcg daily for the remainder of the cycle. This is a conservative approach. MUST be paired with a muscle-preserving agent. A great starter stack includes T4 with Anavar 10 mg for a clean, dry cut.
Intermediate Cycle (10-12 weeks): Begin at 100 mcg daily. After 4 weeks, if fat loss has plateaued and tolerance is good, consider increasing to 125-150 mcg daily. This range is effective for sustained cuts. Often stacked with other fat-loss agents like Cardarine (GW501516) for enhanced endurance and fat oxidation, and a solid testosterone base like Cypionat 250.
Advanced Cycle (12 weeks max): Doses may range from 150 mcg up to a maximum of 200 mcg daily. This is for experienced users with prior T4 experience and is typically part of a comprehensive pre-contest stack. It demands robust anabolic support, such as a stack of Trenbolone 100 and Masteron 200. A gradual taper at cycle's end is critical.

Post Cycle (Thyroid Recovery Taper):

Due to T4's long half-life and significant suppression of Thyroid Stimulating Hormone (TSH), a gradual taper is essential. Do not stop abruptly. At the end of your cycle, reduce your dose by 25-50 mcg each week until you reach 0. For example, if ending at 150 mcg: Week 1: 100 mcg, Week 2: 50 mcg, Week 3: 25 mcg, then stop. Post-taper, support natural thyroid recovery for 4-6 weeks with Iodine, Selenium, Zinc, and Tyrosine. Consider a natural thyroid complex. Blood work (TSH, FT4) 6-8 weeks post-cycle confirms recovery.

Muscle Preservation & Cycle Support:

The imperative remains: use an anabolic base. Beyond that, maintain extremely high protein intake (1.5g+ per lb of bodyweight) to provide a constant stream of amino acids, countering the catabolic signal. For added protection, consider peptides known for tissue repair and anti-catabolism, such as BPC-157/TB-500. General cardiovascular support with Omega-3s and CoQ10 is prudent. Monitor your resting heart rate as an indicator of metabolic stimulation.

Third-Party Lab Tested

Dragon Pharma T4 Lab Test Report April 18 2025

2025-04-18

View Result

47.41 mcg

Note: The independent third-party lab test from April 2025 confirms a content of 47.41 mcg of Levothyroxine Sodium per tablet. This result, very close to the 50 mcg label claim, verifies Dragon Pharma's commitment to accurate dosing and product consistency, ensuring you receive a reliable and effective compound for your cycle.

Storage Instructions

Thyroid hormones are sensitive to environmental factors. Follow these guidelines to ensure product stability.

Environment: Store in a cool, dry, and dark place. Protect from light, moisture, and heat. Do not store in bathrooms or near kitchen sinks.
Temperature: Maintain a stable room temperature between 15°C and 30°C (59°F and 86°F). Avoid freezing.
Container: Keep tablets in their original, sealed Dragon Pharma foil sachet. The opaque foil provides essential protection from light degradation.
Safety: Store in a secure location out of the reach of children and pets. Its metabolic effects make accidental ingestion particularly hazardous.
Shelf Life: When stored under ideal conditions, the product retains full potency for up to 2 years from the date of manufacture. Do not use if the packaging is compromised.

What is a good T4 (Free Thyroxine) level for a woman?

For women (and men), the normal reference range for Free T4 (FT4) is typically between 0.8 and 1.8 ng/dL, though ranges can vary slightly by lab. In the context of performance enhancement using Dragon Pharma T4, the goal is not to achieve a specific 'good' level but to use exogenous T4 to elevate thyroid hormone activity above the natural baseline to boost metabolism. This is done under a controlled, time-limited cycle. It's crucial to understand that using T4 for fat loss will raise your FT4 levels above the standard range, which is the intended pharmacological effect, not a sign of hyperthyroidism when done correctly.

What does T4 (Levothyroxine) mean and how does it work?

T4, or Levothyroxine Sodium, is the synthetic form of thyroxine, the primary hormone produced by the thyroid gland. It's considered a 'prohormone' or storage hormone. After ingestion, T4 is absorbed and circulated in the bloodstream. The body's tissues, primarily the liver and kidneys, then convert T4 into the active hormone T3 (Triiodothyronine) as needed. This conversion process allows T4 to provide a steady, sustained release of active T3, raising the basal metabolic rate (BMR), increasing energy expenditure, and promoting fat oxidation over a longer period compared to direct T3 administration.

Does low T4 cause weight gain?

Yes, clinically low T4 levels (hypothyroidism) are a well-known cause of weight gain and difficulty losing weight. The thyroid hormones T4 and T3 are the body's master regulators of metabolism. When levels are low, the basal metabolic rate (BMR) slows down significantly. This means the body burns fewer calories at rest, leading to easy fat storage and weight gain, often accompanied by fatigue, cold intolerance, and water retention. Dragon Pharma T4 50 mcg is used to pharmacologically elevate thyroid hormone levels above the natural baseline to reverse this metabolic slowdown, creating an accelerated metabolic state conducive to fat loss.

Should I use T4 or T3 for bodybuilding fat loss?

The choice depends on your experience and goals. T3 (Cytomel) is immediate, potent, and fast-acting, ideal for short, aggressive pre-contest cuts where rapid results are needed. However, it carries a higher risk of muscle catabolism and requires precise dosing. T4 (Levothyroxine) offers a milder, more gradual, and sustained metabolic boost. It's often preferred for longer cutting phases (8+ weeks) or by those who want to avoid the sharper peaks and potential sides of T3. T4 is also considered slightly more forgiving regarding muscle loss, though an anabolic base is still absolutely essential with both compounds.

How is T4 dosed for fat loss cycles?

T4 is dosed once daily, typically in the morning on an empty stomach at least 30-60 minutes before food for optimal absorption. A common starting dose is 50-100 mcg (1-2 tablets of Dragon Pharma's 50 mcg). The dose can be gradually increased every 1-2 weeks by 25-50 mcg based on tolerance and response, with a maximum rarely exceeding 200 mcg for advanced users. Due to its long half-life (~7 days), blood levels stabilize slowly. Cycles usually last 8-12 weeks, followed by a gradual taper (reducing by 25-50 mcg per week) to allow the natural thyroid axis to recover without rebound.

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