t3 dosage

Good morning guys So this is the situation, I'm fat and tall, 275lb with 6feet of height I wanna lose more weight, but is going so slow that I'm getting frustrated, I'm doing this because I wanna feel how is be on testo but being so fat won't help me too much I have my testo on the sky...

ive been taking t3 for four weeks now. Started with 25mcg, went to 50mcg. Ive done blood work the other day. My t3 levels are 4.12 pmol/L. Before t3 they were 3.69 pmol/L. Seems more of a replacement dose, so i was thinking of upping the dose to 75mcg a day for the next two to four weeks. Need...