T4 – Thyroxine

T4 L-Thyroxine 0.1 mg — Berlin-Chemie original, no compromises on source.
Levothyroxine sodium is one of the most prescribed pharmaceuticals in Europe, and the reason is simple: it is the hormone the thyroid itself produces. What Rogue guarantees is provenance — sealed, original Berlin-Chemie product, EU-manufactured, never a repackaged copy. What you bring is medical supervision.

What is it?

T4, or levothyroxine sodium, is the synthetic form of thyroxine — the primary hormone the thyroid gland secretes and the reservoir the body converts into active T3 as needed. It sits at the centre of metabolic regulation: energy expenditure, body temperature, cardiac function and how efficiently the body handles substrate. Medically it is used to treat hypothyroidism and related thyroid disorders. Because it influences metabolic rate, T4 is also discussed in physique circles during dieting phases — but it remains a prescription-class hormone with a prescription-class risk profile, and it should be managed by a doctor with bloodwork, not by anecdote.

What you should know

• Original Berlin-Chemie — a long-established European pharmaceutical manufacturer; sealed, traceable packaging, verified supply chain.
• Slower, broader action than T3 — T4 is a longer-acting precursor hormone, which changes the whole picture of how it is dosed and monitored.
• Bloodwork is non-negotiable — thyroid status is measured, not guessed. TSH, fT3 and fT4 exist for a reason.
• Known risk profile — excessive levels may cause palpitations, elevated heart rate, tremor, heat intolerance, insomnia, anxiety, appetite change and, over time, effects on bone and lean tissue.
• Interactions are real — absorption and effect can be altered by other medications, minerals and stimulants. Disclose everything you take to your doctor.

Who it's for

Listed under Advanced 💪 in the Rogue Level system, and that classification is deliberate. This is not a starting point, a shortcut, or a substitute for a calorie deficit and a training plan you actually follow. It is appropriate only for adults with a genuine clinical indication or explicit medical guidance, who are monitoring their thyroid panel and understand what they are altering. Anyone chasing a faster cut without that framework should close this page and go back to the basics that work — they are less exciting and considerably more effective.

Specifications

• Content: L-Thyroxine (levothyroxine sodium) tablets, 0.1 mg / 100 mcg.
• Manufacturer: Berlin-Chemie — original EU product.
• Format: oral tablets, sealed pharmaceutical packaging.
• Dosage: individually determined by a qualified healthcare professional based on bloodwork — no protocol is published here.
• Storage: below 25°C, dry, protected from light. Observe the printed expiry date.

Why choose Rogue

• Verified authenticity — sealed, traceable products sourced through legitimate channels, never grey-market.
• European quality standards — strict manufacturing controls and batch documentation behind every box.
• Discreet, tracked delivery — plain packaging, fast dispatch across the EU, tracking from door to door.
• Support that trains — a team that answers product questions like athletes, not like a call centre.

Levothyroxine is a potent prescription-class hormone. Use only under the supervision of a qualified healthcare professional, who should determine dosing and arrange monitoring. Do not combine with other metabolic or stimulant compounds without medical advice. Not for use if pregnant or breastfeeding, or with cardiovascular or adrenal conditions. Check the legal status of this product in your country before ordering. Keep out of reach of children.

Related: Advanced 💪 · Clenbuterol · Modanfil