I am on thyroxine and a friend of mine mentioned she was taking a T3 supplement and felt so much better. I checked out a website a ticked the box for quite a few of the symptoms. It does mare you wonder if there is a connection with fibro. These are the symptoms.
Sleepiness, exhaustion, lethargy, insomnia.
Low body temperature, cold intolerance, always feeling cold, dressing warmly.
Hair loss, dry hair, dandruff.
Deafness or dulled hearing.
Dry skin, sallow complexion, swollen face, pale lips.
Patchy skin, i.e. varying skin colour not due to exposure to sunlight.
Hoarse voice, slow speech, goitre (swollen neck).
Palpitations, raised cholesterol in the blood.
Menstrual problems, miscarriage, fertility problems, decreased libido.
Weight gain and/or loss of appetite.
Weak and/or painful muscles, stiff joints.
Lumpy red/dark itchy patches on the shins (pretibial myxoedema).
Cold feet, poor circulation.
In the most severe cases, hypothermia and coma.
Some may experience new or worsened food sensitivities or allergies such as hay fever