T3 25 mcg (100 Tablets) T3 25 mcg (100 Tablets)
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T3 25 mcg (100 Tablets)

Thyroid Hormone

T3 by British Dragon features liothyronine sodium tablets in a 100-tablet sachet, commonly used to support metabolic rate and fat loss during cutting phases.

Active Substance: Liothyronine Sodium
Strength: 25 mcg/tablet
Form: Oral Tablets
Amount: 100 Tablets (Sachet)
Brand: British Dragon
Laboratory Test: View Lab Report
$43.00
Shipping :
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U.S. Domestic

T3 25 mcg (Liothyronine Sodium)

Overview

T3 25 mcg contains liothyronine sodium, a synthetic form of the active thyroid hormone triiodothyronine (T3). This hormone plays a direct role in regulating metabolic rate, body temperature, and cellular energy use.

T3 is commonly used in structured protocols where increased metabolic activity is the primary goal. Each tablet provides a measured 25 mcg dose for consistent intake and controlled use.

What T3 Does

T3 is considered the biologically active thyroid hormone, meaning it binds directly to receptors and influences how the body utilizes fats, carbohydrates, and calories. Unlike T4 (levothyroxine), it does not require conversion, which is why its effects are typically more immediate.

For general background on thyroid hormones and clinical use, see this reference from the NIH: thyroid hormone therapy overview .

Important Safety Notes

T3 is a potent hormone and is commonly prescribed for medical use. Improper use may increase the risk of side effects, including cardiovascular strain and suppression of natural thyroid function.

If you have a history of heart conditions, blood pressure issues, anxiety, or thyroid disorders, consultation with a qualified medical professional is strongly recommended before considering use.

Specifications

Product Name
T3 25 mcg
Active Substance
Liothyronine Sodium
Strength
25 mcg/tablet
Form
Oral Tablets
Amount
100 Tablets (Sachet)
Brand
British Dragon
Use Category
Thyroid Hormone (T3)
Typical Role
Metabolic Support / Cutting Phase

Usage & Cycles

T3 (liothyronine sodium) is a thyroid hormone used in structured protocols where metabolic activity and energy expenditure are key considerations. Due to its potency, it is typically introduced gradually and used for limited durations.

Dosing Context

T3 is typically introduced at low doses and adjusted gradually based on response and tolerance.

  • Common starting range: 12.5–25 mcg per day.
  • Dose may be adjusted gradually over time.
  • Higher doses increase risk of side effects and suppression.
  • Short-term use is generally preferred over extended use.
Hormonal Compound Gradual Adjustment Short-Term Use
Use in Cutting Phases

T3 is sometimes used during calorie-restricted phases where metabolic rate may decline.

  • Supports increased metabolic activity during dieting phases.
  • May be used alongside compounds such as Clenbuterol 40 mcg in structured cutting plans.
  • Improper use may increase risk of muscle loss.
  • Often combined with resistance training to support lean tissue retention.
  • Requires careful planning rather than casual use.
Metabolic Support Diet Dependent Structured Use

Important Considerations

T3 directly influences thyroid function. Improper use may suppress natural hormone production, which is why gradual adjustments and limited duration are commonly emphasized.

Because of its effect on metabolism, excessive dosing may increase strain on the cardiovascular system and negatively impact overall balance if not carefully managed.

Practical Notes

T3 is typically used within structured plans that include appropriate nutrition, training, and recovery. In some setups, it may be combined with a testosterone base such as Testabol Enanthate 250 mg to help support lean tissue retention during calorie-restricted phases.

This product is supplied in 25 mcg tablets for controlled dosing and structured protocol planning.

Lab Results

Independent lab verification for this product. Click the report preview to view the full analytical certificate.

Shipping & Product Authenticity

Orders are shipped discreetly, include tracking after dispatch, and arrive in original manufacturer packaging with identifiable batch information.

Shipping Details
  • USA Domestic: Typically delivered within 2–5 business days.
  • International: Average delivery time ranges from 7–14 business days.
  • Tracking: Provided after dispatch for all eligible shipments.
  • Discreet Packaging: Securely packed for privacy and safe transit.
Product Authenticity
  • Original Product: Supplied in sealed British Dragon packaging.
  • Batch Identification: Packaging includes batch information for reference.
  • Independent Testing: Verified through third-party analytical testing (e.g. Janoshik).
  • No Repackaging: Delivered exactly as received from the manufacturer.
Tracked Delivery Discreet Packaging Third-Party Tested Reshipment Support

Storage

Proper storage helps maintain tablet integrity, potency, and consistent product quality over time.

Storage Conditions

Store tablets at controlled room temperature (20–25°C) in a dry place, away from direct light, heat, and moisture. Keep the product in its original packaging until use.

20–25°C Dry Environment Away From Light
Handling Guidance

Keep tablets sealed until use and avoid exposure to humidity or excessive heat. Do not use if tablets appear damaged, discolored, or compromised.

Keep Sealed Avoid Moisture Check Tablets
Good storage matters: maintaining proper conditions helps preserve tablet stability and ensures consistent dosing throughout the product's shelf life.

Frequently Asked Questions

Common questions about T3, including product format, lab testing, and general usage context.

What is T3 used for?

Clinically, liothyronine (T3) is used to treat certain thyroid conditions. In fitness communities, it is often discussed for metabolism support during cutting. Because it is a hormone, it should be approached carefully and ideally with medical guidance.

What's the difference between T3 and T4?

T3 is the active thyroid hormone. T4 is a "pro-hormone" that the body converts into T3. This is why T3 may feel faster-acting and more direct than T4 for some people.

Can T3 cause muscle loss?

It can, especially when calories are too low or protein intake is inadequate. This is one reason many users avoid extreme use and focus on diet/training fundamentals first.

What are common side effects?

Possible side effects include increased heart rate, sweating, feeling "wired," sleep issues, anxiety/irritability, and heat intolerance. If symptoms feel strong, reduce use and consult a professional.

How should T3 be stored?

Keep tablets in original packaging at room temperature, away from moisture and direct sunlight.

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