Free triiodothyronine

1. Fasting decreases free triiodothyronine in humans (g = -1.979, 95% CI [-3.054, -0.905]).

   Reviewfasting ≥ 24 h≥ 24 h

   Effects of fasting on thyroid hormone profiles: a systematic review and meta-analysis of TSH, FT3, FT4, and total T3 responses · Frontiers in endocrinology · 6 Aug 2026

Fasting →