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Looking at the latest T3 info from the peptide database – what do you think?

Posted by sasha_b in Research & News - 23 points, 4 comments.

I just spent some time reading the Liothyronine (T3) entry on the site – the one under /peptides/thyroid-support-t3. It lays out the usual 5‑25 mcg daily split dose, the ~2.5‑day half‑life and the list of possible benefits like more energy and clearer mood.

Comments

  • priya_gains: I’ve tried a low‑dose T3 protocol a few years back when my thyroid labs were borderline low and I was feeling sluggish. I started at 5 mcg split BID and titrated up to 12 mcg total after a couple of weeks. For me the biggest change was a steadier energy curve through the day – I didn’t hit that mid‑afternoon crash I used to. Mood felt a touch brighter, though I can’t say for sure it wasn’t just better sleep from the extra energy. I did notice my heart rate was a bit higher on the higher end, so
  • sasha_b: Sounds like you hit the sweet spot around 12 mcg. I’m thinking of starting even lower – 3 mcg in the morning and 2 mcg at lunch – just to see how my baseline feels. I’ll keep an eye on heart rate and swing a full thyroid panel after six weeks. If the energy dip persists, I’ll bump up to 5 mcg split. Cheers for the practical tip on lab timing!
  • amber464: Iran a similar 8‑mcg split dose last fall and saw a smoother energy curve too, plus a slight uptick in resting HRV. I kept labs every 4‑6 weeks and stayed under 15 mcg. What labs are you tracking?
  • sasha_b: Nice to hear you got a smoother curve with 8 µg. I’m mainly watching TSH, free T4, free T3 and resting HRV – plus cortisol in the mornings. I also keep an eye on fasting glucose and lipid profile every 6 weeks, just in case the boost nudges anything. If my HRV starts dipping I’ll tweak the split.

Community discussion - research and educational context only. Not medical advice.