T4

$66.00

Drug Type: Thyroid Hormone (T4)
Pharmaceutical Name: Levothyroxine Sodium
Trade Name: T4
Strength: 50 mcg/tablet
Biological Half-Life: 6-7 days
Liver Side Effects: Moderate with prolonged high-dose use
Aromatization: None
Recommended Dosage: 50-200mcg daily (cycling recommended)
Anabolic Rate: Catabolic in excess, replacement in deficiency
Androgenic Rate: 0
Chemical Formula: C15H10I4NNaO4
Chemical Molecular Mass: 798.86 g/mol
Systematic Name: Sodium (S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate
Package: 100 tablets

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Dragon Pharma T4 Levothyroxine Sodium 50mcg thyroid hormone tablets
T4
$66.00

Dragon Pharma T4: Sustained Metabolic Support Formula

Dragon Pharma T4 represents a pharmaceutical-grade formulation of Levothyroxine Sodium, the prohormone that serves as the primary secretory product of the thyroid gland. Each tablet contains 50mcg of pure T4, with independent laboratory verification confirming 47.41mcg potency per tablet. This sustained-release thyroid hormone offers bodybuilders and athletes a more gradual approach to metabolic enhancement compared to its more potent counterpart T3, making it ideal for longer cutting phases and thyroid function support.


Understanding T4’s Role in Metabolic Regulation

Levothyroxine (T4) functions as a prohormone that requires conversion to the active T3 (liothyronine) in peripheral tissues, primarily the liver and kidneys. According to endocrine research published by the MedlinePlus, T4 provides a stable reservoir of thyroid hormone that allows for gradual, sustained metabolic effects rather than the abrupt changes associated with direct T3 administration. This conversion process is regulated by deiodinase enzymes, providing natural buffering against excessive metabolic acceleration.


Strategic Applications for Body Composition Management

Dragon Pharma T4 is particularly valuable for athletes engaged in extended cutting phases where sustained metabolic support is preferable to aggressive fat loss approaches. The 50mcg tablet strength allows for precise dose titration, enabling users to implement gradual metabolic increases while minimizing the risk of muscle catabolism. For individuals requiring thyroid support, this formulation represents reliable Dragon Pharma T4 hormone replacement therapy that maintains physiological balance during demanding training regimens.


Laboratory-Verified Potency and Quality Assurance

Laboratory test results for Dragon Pharma T4 showing 47.41mcg Levothyroxine content
Third-party lab confirmation of 47.41mcg Levothyroxine Sodium per tablet

Dragon Pharma’s commitment to quality is demonstrated through independent third-party testing dated April 18, 2025, confirming 47.41mcg of Levothyroxine Sodium per tablet. This precise manufacturing is critical for a hormone with a narrow therapeutic index, ensuring users can implement accurate dosing protocols. The verified potency provides confidence that metabolic effects will be predictable and manageable throughout cutting cycles.


Conversion Dynamics and Metabolic Effects

T4’s effectiveness depends on efficient conversion to T3, a process influenced by nutritional status, liver function, and overall health. The extended 6-7 day half-life allows for stable blood levels with once-daily administration, though some users with rapid clearance may benefit from split dosing. Unlike T3, T4 provides a more physiological approach to metabolic enhancement that closely mimics natural thyroid function.


Optimal Dosing Strategies for Various Objectives

For metabolic enhancement during cutting phases, most users begin with 50-100mcg daily and gradually increase to 150-200mcg based on response and tolerance. The gradual onset of action (peak effects in 2-3 weeks) requires patience but offers smoother adaptation. Cycling of 8-12 weeks followed by equal time off helps prevent long-term thyroid suppression. Tapering is less critical than with T3 due to the prolonged half-life.


Complementary Dragon Pharma Metabolic Support

When implementing T4 in a comprehensive metabolic strategy, athletes often combine it with other Dragon Pharma products designed for synergistic effects. Consider stacking with T3 for immediate metabolic effects, Clenbuterol for thermogenic enhancement, Anavar for muscle preservation, Cardarine for endurance support, and Yohimbine for stubborn fat mobilization.


Comparative Advantages Over T3 Administration

Dragon Pharma T4 offers several distinct advantages: more physiological metabolic enhancement, reduced risk of excessive catabolism, smoother transition on and off cycle, and better preservation of natural thyroid feedback mechanisms. While less potent milligram-for-milligram than T3, T4’s sustained action makes it preferable for longer cutting phases and individuals sensitive to metabolic fluctuations.


Thyroid Health Considerations and Monitoring

Regular monitoring is essential during T4 use, particularly for users implementing higher doses or extended cycles. Key indicators include resting metabolic rate, body temperature, heart rate, and potential symptoms of hyperthyroidism. The 50mcg tablet allows for fine adjustments based on individual response. Post-cycle recovery typically occurs within 4-8 weeks due to T4’s longer suppression profile compared to T3.


Why Dragon Pharma’s T4 Formulation Stands Apart

Dragon Pharma’s pharmaceutical-grade manufacturing ensures consistent tablet composition and accurate dosing that surpasses many generic alternatives. While Levothyroxine is widely available, the 50mcg strength represents an optimal balance between efficacy and safety for athletic applications. Dragon Pharma’s batch-to-batch consistency means athletes can depend on predictable metabolic effects throughout their cutting phases.


Frequently Asked Questions About Dragon Pharma T4

How long until I notice metabolic changes with T4?

Due to T4’s long half-life and required conversion to T3, metabolic effects typically begin within 5-7 days but peak after 2-3 weeks of consistent use. This gradual onset allows for smoother adaptation compared to T3. Most users notice increased body temperature and resting heart rate within the first week, with significant fat loss results appearing after 3-4 weeks.

Can T4 be used for post-cycle thyroid recovery?

Yes, many experienced users implement low-dose T4 (25-50mcg daily) during the first 2-4 weeks after T3 cycles to support natural thyroid function recovery. T4 provides the building blocks for natural T3 conversion while allowing the hypothalamic-pituitary-thyroid axis to gradually resume normal function. This approach can smooth the metabolic transition post-cycle.

What factors affect T4 to T3 conversion efficiency?

Conversion efficiency depends on several factors: adequate selenium and zinc levels, proper liver function, optimal iron status, cortisol levels, and overall nutritional status. Low-carbohydrate diets may temporarily reduce conversion rates. Ensuring proper nutrient intake and liver health maximizes T4’s effectiveness.

How does T4 compare to T3 for muscle preservation?

T4 generally offers better muscle preservation than equivalent fat-loss doses of T3 due to its more gradual metabolic effects and natural conversion regulation. The slower onset allows for better adaptation and reduces the risk of rapid muscle catabolism. However, T4 still requires anabolic support during significant caloric deficits.

What’s the optimal timing for T4 administration?

T4 is best taken first thing in the morning on an empty stomach, at least 30-60 minutes before food or other medications. Consistency in timing is more important than specific hours due to the long half-life. Avoid taking near bedtime as it may interfere with sleep quality in sensitive individuals.

Additional information

Brand

Dragon Pharma

Active Ingredient

Levothyroxine Sodium

Strength

50 mcg/tablet

Form

100 Tablets in Sachet

Product Type

Thyroid Hormone

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