British Dragon
Latest laboratory result 13.75 mcg/tablet March 24, 2026 · 55.00% of 25 mcg label claim View
T3 25 mcg
Product Details British Dragon
Active Substance Liothyronine Sodium Synthetic triiodothyronine · T3
Strength 25 mcg/tablet
Package 50 or 100 tablets 1,250 or 2,500 mcg total labeled content
Form Oral tablets
Drug Class Thyroid hormone
Hormone Type Triiodothyronine (T3)
Biological Half-Life ~2.5 days
Mechanism Thyroid receptor agonist
$24.00
Amount :
50 tabs
100 tabs
Shipping Location :
International
U.S. Domestic
Out of stock
British Dragon T3 25 mcg Tablets
T3 25 mcg contains Liothyronine Sodium, a synthetic form of triiodothyronine (T3), one of the body's primary thyroid hormones. T3 plays a critical role in regulating metabolism, energy expenditure, and fat utilization, making it a popular compound among bodybuilders and athletes during cutting and fat-loss phases.
Unlike T4 (thyroxine), which must be converted into T3 by the body, Liothyronine is already in its active form. This allows T3 to act quickly and directly on metabolic processes, increasing basal metabolic rate and accelerating calorie expenditure.
Due to its potency, T3 is considered an advanced metabolic aid and is typically used by experienced users who understand thyroid hormone management. When used responsibly, it can support significant fat loss while helping preserve lean muscle mass when combined with proper nutrition and training.
The physiological role and pharmacology of Liothyronine Sodium are well documented. A detailed clinical overview can be found through the National Library of Medicine (PubMed), which explains how T3 regulates metabolic activity at the cellular level.
The primary effect of T3 25 mcg is a significant increase in metabolic rate. Users commonly experience enhanced fat loss, increased body temperature, and greater caloric expenditure throughout the day.
T3 promotes faster nutrient turnover, allowing the body to utilize stored fat more efficiently. This makes it especially useful during cutting cycles, contest preparation, or recomposition phases where fat reduction is a primary goal.
When combined with proper diet and resistance training, T3 may help preserve lean muscle tissue while reducing body fat. However, misuse or excessive dosing may increase the risk of muscle breakdown.
Product Details
Active Substance
Liothyronine Sodium: 25 mcg per tablet
Form
Oral Tablets
Dosage
25 mg per tablet
Quantity
50 or 100 Tablets
Brand
British Dragon
Availability
USA Domestic & International
Dosage & Usage Guidelines
T3 dosing must be approached cautiously. Typical dosages range from 12.5 mcg to 75 mcg per day, depending on experience level and metabolic tolerance.
Most users begin with a low dose of 12.5–25 mcg per day and gradually increase over time to assess tolerance. Splitting the daily dose into two administrations may help maintain stable blood levels.
Abrupt discontinuation after extended use is not recommended. Gradual tapering allows natural thyroid function to normalize and reduces the risk of post-cycle metabolic slowdown.
Cycle
T3 is most commonly used during cutting cycles focused on fat loss and physique refinement. It is often combined with thermogenic compounds such as Clenbuterol for synergistic metabolic effects.
During more advanced cutting protocols, T3 may be stacked alongside anabolic agents like Stanabol 50 to help preserve lean muscle mass while calories are reduced.
Some athletes also incorporate T3 during recomposition phases with injectable bases such as Primobol Inj, where metabolic support is desired without excessive androgenic strain.
T3 should not be used continuously for long periods and is best reserved for structured cycles with defined start and end points.
Possible Side Effects
When used responsibly, T3 is generally well tolerated. However, excessive dosing or prolonged use may lead to side effects such as increased heart rate, sweating, anxiety, insomnia, and fatigue.
High doses may suppress natural thyroid hormone production temporarily. This is why gradual tapering and conservative cycle planning are essential.
T3 does not exhibit hepatotoxic effects and is considered liver-safe. Monitoring cardiovascular response is recommended, especially at higher doses.
Additional Information
British Dragon T3 25 mcg tablets are manufactured under strict quality control standards to ensure accurate dosing and consistent potency. Each bottle contains 100 tablets, making it suitable for structured cutting cycles or phased metabolic protocols.
Due to its powerful metabolic effects, T3 is best suited for experienced users who understand thyroid hormone management and responsible cycle planning.
Important: Individual response varies. Dosing strategies, support supplements, and recovery protocols should be tailored based on experience, goals, and bloodwork where applicable.
Batch-Tested & Verified Lab Results
Shipping & Product Authenticity
USA Domestic
4–5 business days
International
13–15 business days
Order Processing
24–48 business hours
Tracking
Provided after dispatch (may activate once in destination country)
Direct Supply & Discreet Delivery
This product is sourced through official British Dragon distribution channels and delivered in original manufacturer packaging. All orders are shipped using discreet packaging with no unnecessary external labeling, ensuring privacy, security, and reliable delivery.
What to Expect
- ✔ Orders are processed after payment confirmation
- ✔ USA domestic shipping is faster when local warehouse stock is selected
- ✔ International shipments include tracking (updates may be delayed during transit)
- ✔ Orders may ship from multiple warehouses depending on availability
- ✔ Free reshipment is available if delivery is not completed within 30 days
Authenticity support: all British Dragon products are supplied in original packaging with batch identification and may include independent lab verification to help confirm product consistency and authenticity.
Verified Supply
For full delivery timelines, tracking details, and reshipment policy, please visit our Shipping Info page.
Storage
Store at controlled room temperature (15–25°C / 59–77°F) in a dry place, protected from direct light, heat, and moisture. Proper storage conditions help maintain tablet stability and overall product quality.
Keep the tablets in their original packaging until use to protect them from environmental exposure. Avoid excessive humidity and do not store in bathrooms or other damp areas.
Inspect tablets before use and avoid consumption if they appear damaged, discolored, or compromised. Keep out of reach of children and store securely.
Frequently Asked Questions
What is T3 used for in bodybuilding?
T3 is used to increase metabolic rate and support fat loss during cutting or recomposition phases.
Is T3 stronger than T4?
Yes, T3 is the active thyroid hormone and works faster and more directly than T4.
Should T3 be tapered?
Yes, tapering helps restore natural thyroid function and reduces metabolic rebound.
Can T3 cause muscle loss?
Improper dosing or insufficient nutrition may increase muscle breakdown, which is why careful use is important.
Is T3 liver toxic?
No, T3 is not hepatotoxic when used responsibly.
Related Offers
Lab Tested
British Dragon Pharmaceuticals
Product Details British Dragon
Active Substance Clenbuterol Hydrochloride Clenbuterol HCl
Strength 40 mcg/tablet
Package 100 tablets 4,000 mcg total labeled content
Form Oral tablets
Drug Class β2-adrenergic agonist
Plasma Half-Life ~35 hours
Receptor Target β2-adrenoceptor
Mechanism β2 receptor agonism
$53.00