Hair Loss Thyroid Disease And Food

Introduction - Hair Loss Thyroid Disease And Food

It's a commonly held belief by hair loss experts that thyroid disease can sometimes be the culprit behind thinning strands or hair loss.

Sometimes when thyroid disease is a primary trigger of hair loss, thinning or stalled growth, it's exacerbated by a number of foods which are categorized as goitrogens.

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Definition of A Goitrogen - Hair Loss Thyroid Disease And Food

A goitrogen is a substance which is known to slow the production of thyroid hormones.  When the body is consistently robbed of important thyroid hormones it can trigger a range of symptoms including thinning strands, hair loss, stalled hair growth, low energy, weight gain and other common issues.

When the thyroid gland is bombarded with goitrogens it tries to overcompensate by producing more thyroid hormones.

The result of this overworking of the gland can result in enlargement and ultimately the formation of a goiter.

List Of Foods Which Contain Goitrogens - Hair Loss Thyroid Disease And Food

A number of common foods contain goitrogens.   These include foods known as cruciferous vegetables which are vegetables of the family Brassicaceae (also called Cruciferae).  The family takes its alternate name (Cruciferae, New Latin for "cross-bearing") from the shape of their flowers, whose four petals resemble a cross.

Cruciferous vegetables are widely cultivated, with many genera, species, and cultivars being raised for food production such as cauliflower, cabbage, Chinese cabbage, cress, bok choy, broccoli, Broccolini, Kai-lan (Chinese broccoli), brussel sprouts, spinach, turnips and similar green leaf vegetables.

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Goitrogens are also found in bamboo shoots, sweet potatoes, choy sum, collard greens, kale, kohlrabi, mustard greens, rapeseed (yu choy), rapini and rutabagas.

Crucifer vegetables contain a substance known as isothiocyanates which are specifically tied to decreased thyroid function.   Isothiocyanates may reduce thyroid function by blocking  thyroid peroxidase as well as disrupting the messages sent across the membranes of thyroid cells.

Isothiocyanates

Isothiocyanates occur widely in nature and are studied widely in both the fields of medicine and food sciences.

Foods with characteristic flavors due to isothiocyanates include wasabi, horseradish, mustard, caper, pine nuts and nasturtiums.  These foods have different proportions of isothiocyanates which explains their different, but signature flavors.

The list of other goitrogen foods include spinach, peanuts, strawberries, millet, peaches, pears and radishes. Also included in the list are soybeans as well as all soy products including tofu and tempeh.

Soy products contain isoflavones which are thought to have the same impact on the thyroid gland as isothiocyanates.

Impact Of Caffeine On Thyroid Functions

Some experts also believe caffeine may also cause problems to a diseased thyroid gland.  Although a known stimulant, caffeine suppresses normal thyroid function in some individuals.

Some studies on rats suggests excess caffeine along with a deficiency in iodine may trigger the growth of thyroid tumors which may or may not become thyroid cancer.

Impact Of Goitrogens On Healthy Thyroid Gland

If your thyroid is healthy and your diet contains appropriate levels of iodine, goitrogens in food will have little if any impact.  If you have diagnosed or hidden thyroid disease goitrogens could cause problems.

Not surprisingly an impaired thyroid will be much more vulnerable to the effects of goitrogens.  If your thyroid is slightly impaired eating a diet heavy in goitrogens could trigger a condition of hypothyroidism which is also known as under-active thyroid.

Many people have subtle degrees of undiagnosed hypothyroidism.  Symptoms can include increased hair loss, fatigue, depression and a range of other symptoms.

Thyroid Disease And Goitrogens

Experts are divided regarding the consumption of known goitrogens when there is known or suspected thyroid disease.  It is also believed that the inclusion or exclusion of goitrogens in the diet should be evaluated on a case by case basis.

If you've had a blood test, been diagnosed with thyroid disease and are taking thyroid medications, goitrogens may interefere with the medication.  When taking medication for a specific thyroid disease be sure to talk with your physician about whether goitrogens should be eliminated or minimized in your nutritional plan.

Most experts believe once thyroid hormones are stabilized through medications the thyroid gland will again be able to handle goitrogens in the diet.

When thyroid disease has not been medically confirmed but there's a history of hair loss, fatigue, weight gain, depression or even a family history of thyroid disease you may want to voluntarily minimize the consumption of goitrogen rich foods.

Impact Of Cooking On Goitrogens

Research in the food sciences has indicated that cooking foods which are high in goitrogenic componds.

Foods containing isothiocyanates and isoflavones appear to be heat-sensitive.  Scientists believe that as much as one third of goitrogenic substances may be deactived when cruciferous vegetables like broccoli or cauliflower is boiled in water before eating.

Individuals with known or suspected thyroid issues may continue to include foods with goitrogens in their diet if the foods are steamed or heated without incidence.  It's important to understand the impact of foods containing goitrogens if hair loss, hair thinning or stalled hair growth are a common problem.

Benefits Of Cruciferous Vegetables

If thyroid issues are not present, there's no known evidence that consumption of goitrogenic foods will cause health problems.  In fact, many believe cruciferous vegetables can provide a wide range of benefits including decreased risk of some types of cancer and disease.

It's also been indicated in some studies that certain types of medications prescribed for non-thyroid related medical conditions may actually have side effects which degrade the function of thyroid hormones over time.

When thyroid issues are suspected or hair loss is a concern, looking long and hard at goitrogenic foods is always wise to consider.  Keep in mind that health care providers have very different opinions on the possible impact of goitrogenic foods.

Summary - Hair Loss Thyroid Disease And Food

Be prepared to do your own homework, alter your diet to test results and monitor the inclusion of these foods appropriately.

It's important to note that there can be a significant difference between a balanced consumption of goitrogenic enriched foods and over-consumption.

Limiting exposure to goitrogenic foods may be challenging since many popular foods included hidden ingredients which may include soy concentrates, textured vegetable proteins (TVP) and other fillers which may be unexpected.

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