Bolk, N.

levothyroxine patient level bedtime morning study thyroxine thyroid intake hypothyroidism hormone thyrotropin - thyroxine administration effect bedtime administration serum thyrotropin level thyroid hormone levels levothyroxine intake trial circadian rhythm analysis blood change result circadian difference absorption sodium form health survey symptom thyroxine level 24 weeks body mass index thyrotropin levels rhythm signi endocrinology journal rotterdam fatigue erasmus mc triiodothyronine level breakfast metabolism capsule thyroid hormones treatment liter group heart rate administration time outcome 12 weeks morning administration range hospital health intern bedtime intake ingestion morning levothyroxine intake - thyroxine ingestion tt 3 levels baseline thyroid hormone berghout arch intern med 24- h randomized blood samples tsh levels 1 capsule bedtime levothyroxine intake fatigue inventory maasstad hospital rotterdam depression endocrinol triiodothyronine