Video narration
Roz ki levothyroxine goli lene ke baad bhi agar asar na ho, to samajhiye: goli seedhe active hormone nahin deti. Asal mein levothyroxine sharir ko T4 deti hai. T4 ek precursor hai, abhi sakriya hone wala roop, antim signal nahin. T4 rakt ke saath tissues tak pahunchta hai. Wahan deiodinase enzymes iodine hatakar T4 ko T3 mein badalte hain. T3, T4 se zyada sakriya hokar tissues mein asar dalta hai. Lekin har T4, T3 nahin banta. Kuch reverse T3 banta hai, jo inactive hai. Conversion tissues mein, illness, nutrition ya medicines se badal sakta hai. Mahatvapurn baat: yeh pathway diagnosis nahin hai. Normal T4, paryapt T3 action ki guarantee nahin deta; lekin symptoms akele poor conversion ka proof bhi nahin hain. Yaad rakhein: T4 supply hai, deiodinase T3 ko activate karta hai. Lagatar symptoms hon, to clinical evaluation karaen, conversion blocked maankar nishkarsh na nikalen.