An underactive thyroid can trigger everything from weight gain to thinning hair to plummeting energy levels. Fortunately, ...

T3 is the body’s “active” form of your thyroid hormone and it is what fires up your metabolism. The catch: Most blood tests for thyroid function won't pick up on a dip in T3. That's because ...

As discussed, selenoproteins are vital in converting the inactive thyroid hormone (T4) into its active form (T3), which is essential for maintaining hormone balance. Additionally, selenoproteins ...

Cortisol can inhibit the conversion of the inactive thyroid hormone T4 into the active form T3, which is necessary for proper thyroid function. Try stress-lowering techniques such as yoga ...

(Photo Credit: iStock/Getty Images) T4 is the inactive form of your thyroid hormone; it must be changed into the active form, triiodothyronine (T3), for your organs and cells to use. The cells in ...

If you're aiming to support your thyroid naturally, Brazil nuts are a smart, simple addition to your diet. But remember- they ...