T4 stealth 1320
Levothyroxine, also known as T4, is a natural hormone produced by the thyroid gland. It regulates the burning fat, carbohydrates, and protein in the body. Comparing to T3, biological activity is 4-5 times less but hormonal levels remain more stable. And it better in appetite suppression, an increase of physical durability, and less need for sleep.
Bodybuilders use it during the mass phase of the cycles when it is most needed to burn calories effectively and increase metabolic turnover. And for pre-competition cycles or bodybuilding show to get better relief.