L-Tyrosine (or tyrosine) is an amino acid recommended for hypothyroid. It's also helpful in suppressing the appetite and reducing body fat, production of skin and hair pigment, the proper functioning of the thyroid as well as the pituitary and adrenal gland.
Some people take 1 capsule instead of having a cup of coffee. I find it gives me a boost when I'm feeling draggy, but doesn't have any caffeine-type effects like jitters.
"L-tyrosine is an amino acid that boosts certain neurotransmitters in the brain, and also converts into a thyroid hormone. L-tyrosine has been used to support stress reduction and depression."
