Under-Active Thyroid Gland

What Are The Symptoms Of An Under-Active Thyroid Gland?

An under-active thyroid gland also known as Hypothyroidism occurs when the thyroid gland fails to produce enough hormones. The hormone it specifically is lacking is thyroxine.

It is actually estimated that as many as 25 million Americans have a thyroid problem and half of them don’t even know they have it.

Under-active thyroid accounts for around 90% of all thyroid imbalances.

Most of the time an under-active thyroid is caused by your immune system attacking the thyroid and damaging it, or in some cases the damage that happens from treatments in thyroid cancer. 

Hashimoto’s disease is one of the most common types of autoimmune disease that can cause hypothyroidism.

Some less common causes of an underactive thyroid could be a lack of dietary iodine. 

Our bodies need iodine to make the hormone, thyroxine. Sometimes even babies are born with under-active thyroid because their gland doesn’t get to form properly in their mom’s womb.

Under-active thyroid has been linked to even some medications people are given to treat other conditions like lithium, amiodarone, and interferons.

What Can You Do To Actually Improve Your Thyroid Function Before It Gets Bad?

  1. You can make sure you are taking high quality multivitamins, with Iodine, Zinc, Iron, Vitamin D and B.
  2.  Take a tyrosine and iodine supplement.
  3. Deal with stress, which helps support, your adrenal gland. Both the adrenal and              thyroid gland work together.
  4. Get enough sleep at night, preferably 8-10 hours of sleep a night.
  5. Get fluoride, bromide, and chlorine out of your diet and environment.
  6. So what could our symptoms look like if we do have hypothyroidism?

Well the symptoms actually develop slowly, after a long period of time, and are even typically misdiagnosed because they are so similar to other conditions.

Symptoms Of Under-Active Thyroid Function

  • Tiredness
  • Being Sensitive To Cold
  • Weight Gain
  • Muscle Aches And Weakness
  • Muscle Cramps
  • Muscle Pain, Joint pain, Carpal Tunnel Syndrome, or Tendonitis.

These are some of the many symptoms associated with an under-active thyroid gland.

And just by looking at the symptoms there are several connections to exercise and athlete performance levels, which means hypothyroidism affects fitness levels!

Solutions To Fix An Under-Active Thyroid

Hormone Replacement Therapy

You can take a pill every day that is a synthetic thyroid hormone LT4, which is necessary to restore thyroid function.

Iodine and Thyroid Function

Iodine is required to produce thyroid hormones. Include iodine-rich foods in your diet like potatoes, eggs, and cows milk.

*Supplemental selenium is actually not warranted and can have several side effects!

There is a theory that low selenium levels could contribute to hypothyroidism but research done has not been able to refute or support the use of selenium supplements.  Because of the many side effects with these supplements, right now the risks outweigh the benefits.

So let’s remember that an under-active thyroid can go misdiagnosed a lot so be cautious and pay attention to the symptoms you may be having, as they could be hypothyroidism.

Don’t forget some solutions to fix the problem like trying to get in enough sleep, bringing stress levels down, and taking LT4.

And don’t forget that an under-active thyroid could be affecting your weight loss and muscle recovery. 

So next time you have muscle aches or feel like you’re gaining weight don’t always assume it is just nothing because it could actually be your thyroid gland!


Tony G
Tony G

Anthony is a fan of all things gym related. Growing up very overweight and out of shape, Anthony whipped himself into shape and stunned his entire community becoming a "fitness guru". Tony then set his sights on strength sports (Weightlifting/Powerlifting/Strongman) and learned all about body mechanics, mobility work and injury prevention. Tony found his true love in the strength sports, particularly Olympic Weightlifting. He earned a Bachelor of Science (B.S.) degree from Fitchburg State University in Exercise and Sports Science. He is also a Certified Strength and Conditioning Specialist (CSCS) with the NSCA.

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