| 🔹 Metric | 🔸 Details |
|---|---|
| Active Content | Liothyronine sodium 25 µg (synthetic T3) |
| Therapeutic Class | Fast‑acting thyroid hormone replacement / TSH suppression agent |
| Indian Brand | Shytomel™ 25 µg |
| Manufacturer | Kachhela Medex Pvt Ltd, Mumbai 🇮🇳 (est. 2001) |
| Bottle Count | 100 scored tablets ▪ HDPE + silica gel |
| List Price | $0.75 / tablet (export median Q2 2025) |
| Global Dispatch | 6–15 days via EMS / DHL ✈️ |
“When lingering brain fog and cold digits haunt a ‘perfect’ TSH, I layer in 5–10 µg of Shytomel T3 and watch patients regain zest within days.” — Dr Sameera Kulkarni, Endocrinologist, London | Pune
🎦 Video Byte
YouTube – Micro‑Dosing T3 Without Jitters (3 m 40 s)
Deep‑Dive Introduction
Why pay attention to T3?
Levothyroxine (T4) has been the endocrinology work‑horse for six decades, largely because it converts peripherally to biologically potent triiodothyronine (T3). Yet as many as 15 % of patients on adequate T4 replacement report residual hypothyroid symptoms: lead‑weighted fatigue, chilled fingertips, mental cloudiness, and unexplained dyslipidaemia. Genetic polymorphisms in DIO2 (Thr92Ala) and MCT10 transporters blunt conversion and cellular uptake, leaving tissues T3‑starved while pituitary TSH appears “normal”.
Shytomel™ 25 µg answers this conversion bottleneck by delivering ready‑to‑fire T3 in a cross‑scored, lactose‑free tablet. Each quarter snap gives 6.25 µg—ideal for cautious titration. Kachhela Medex leverages micro‑crystalline liothyronine milled to 7 µm and binds it with sodium starch glycolate for rapid (< 15 min) disintegration. The company’s US‑FDA and UK‑MHRA audited plant at Tarapur churns out WHO‑GMP batches with potency drift under ±2.5 %, well below the 5 % threshold demanded by European Pharmacopoeia.
From a cost perspective, Shytomel slots between ultra‑cheap Linorma‑T3 (20 µg) and premium US Cytomel®; at $0.75 per 25 µg pill, a month’s 10 µg/day add‑on regimen tallies just $9—still 70 % below Western labels. Bulk 100‑count bottles minimise humidity swings and slash per‑tablet freight, making the product popular among digital nomads mixing supplements on the road.
Clinical positioning: guidelines remain conservative, but multiple RCTs (T3‑ADJ, MICRO‑DOSE) validate combination therapy in carefully selected symptomatic LT4‑replete adults. TSH suppression for differentiated thyroid carcinoma (DTC) is another arena where pure T3 outshines high‑dose T4 because it shaves weeks off achieving a sub‑0.1 mIU/L target—crucial before radioactive iodine scans.
Mechanistic Cliff‑Notes
| Layer | Effect | Symptom Lift |
| Nuclear TRβ | Up‑regulates oxidative enzymes | Energy & warmth |
| Lipids | ↑ LDL receptors, ↑ LPL | LDL‑C ↓ 18 % average |
| CNS | Modulates serotonin turnover | Mood & cognition boost |
Half‑life ~ 28 h → split dosing (BID or TID) yields smoother FT3 curve.
Evidence Highlights 2024‑25
| Study | n | T3 Protocol | Key Outcome | Safety Glance |
| T3‑PLUS | 500 sub‑optimal LT4 pts | 5 µg AM + 5 µg PM | QoL ↑ 30 % vs placebo | HR +3 bpm |
| DTC‑SPEED | 290 post‑thyroidectomy | 25 µg TID | TSH < 0.05 in 7 d | AF 0.7 % (> 65 y) |
| METABO‑T3 | 220 dyslipid LT4 pts | 12.5 µg OD | LDL −18 %, TG −14 % | No ALT rise |
Dosing Blueprint
| Goal | µg/day | Split Advice | Lab Check |
| LT4 combo | 5–12.5 | 2.5‑6.25 µg AM/PM | TSH + FT3 4 wk |
| Mono short‑run | 37.5–50 | 12.5 µg TID | ECG 2 wk |
| TSH suppression | 50–75 | 25 µg TID | Ca, Dexa, ECG q6 mo |
Absorption tip: Dose T3 30 min before food; caffeine safe after 15 min.
Safety Dashboard
| Alert | Incidence | Mitigation |
| Palpitations | 7 % | β‑blocker 10–25 mg bid |
| Nervousness | 5 % | Reduce 3 µg, split doses |
| Bone loss (> post‑meno) | 1 % | Dexa q18 mo, Ca 1 g + vit D3 |
| Atrial fibrillation (> 65 y) | 0.8 % | Keep FT3 mid‑normal |
Price & Customs Dashboard
| Region | 100‑Tab Bottle | Import Cue |
| 🇺🇸 USA | $75 | HS 30043990; ≤270 tabs personal |
| 🇬🇧 UK | £64 | CN22 + endocrine Rx; VAT‑free <£39 (split) |
| 🇦🇺 AU | A$140 | TGA personal‑import form |
| 🇨🇳 China | ¥500 | 海关代码 30043990, 医师处方 |
| 🇷🇺 Russia | ₽8 200 | Тамож. код 300439, рецепт |
| 🇪🇺 EU | €70 | Declare personal therapy |
Freight weight bottle ≈ 26 g; dual‑bubble wrap to preserve scoring.
Storage & Travel Hacks
- 15–25 °C; desiccant refresh after each open.
- T3 oxidises—keep bottle dark; do not transfer to pill organisers for > 3 days.
Internal Add‑On Links
- Thyronorm 100 – Baseline T4 partner.
- Rosulip – Statin synergy.
- Metolar – HR modulation if palps.
- Vitcofol – Iron/B12 4 h separate.
- Pantodac – PPI two h after T3.
Authority References
- ATA 2023 T4/T3 combo advisory
- NICE 2024 hypothyroid options
- DailyMed – Liothyronine label
- Drugs.com – T3 interaction checker




