Cold Feet? Don't Forget Iodine

author avatar Dr. Eric Berg 09/29/2023

Iodine Deficiency Remedies: Sea Kelp for Thyroid Health

Picture this: you're constantly feeling fatigued, struggling with hair loss, and experiencing cold feet despite your best efforts to keep warm. You've tried various remedies, but nothing seems to work.

Iodine deficiency, though commonly disregarded, can be the source of various health issues and indications.

In this blog post, we will delve into the world of iodine deficiency remedies by discussing its symptoms, the importance of iodine in your diet, and natural sources like sea kelp that can help combat these issues.

We'll explore how low iodine levels contribute to a slow metabolism and the relationship between estrogen levels and sufficient iodine intake.

Iodine Deficiency: More Than Just Cold Feet

Did you know cold feet might indicate something more serious, like iodine deficiency? Pay attention to the signs and symptoms that may indicate iodine deficiency, as it may also impact various other health aspects.

Slow Metabolism and Weight Gain

Iodine is essential for controlling metabolic rate, and a deficiency can lead to a slower metabolism rate, which may cause weight gain, sluggishness, and other health issues.

Tired at work

Fatigue and Weakness

Are you feeling constantly tired or weak? This could be due to low iodine levels affecting your thyroid function and energy production in your cells.

Hair Loss

Hair loss is another symptom that shouldn't be ignored. Insufficient iodine intake can lead to hair thinning or even balding.

Other Common Symptoms:

Dry skin - A lack of this vital nutrient often results in dry, flaky skin due to reduced sweat gland activity.

Feeling cold - An underactive thyroid caused by iodide deficiency makes it difficult for the body to generate heat efficiently.

Trouble learning & lower IQ - Iodide is necessary for proper brain development and cognitive function, especially in children.

The Importance of Iodine in Your Diet

It's alarming that 1.572 billion people worldwide are at risk for iodine deficiency. Iodine is critical for maintaining thyroid function and many other bodily processes.

Role of Iodine in Thyroid Function

Your thyroid gland needs iodine to produce hormones that regulate metabolism, growth, and development. Insufficient intake can lead to hypothyroidism or even goiter.

Effects on Cognitive Abilities Like Learning and IQ

Iodide is crucial for brain development during pregnancy and early childhood stages.

There is a strong link between low levels of this nutrient with impaired learning abilities and lower IQ scores among children.

Estrogen Levels And Sufficient Iodide Intake

Sufficient consumption helps maintain healthy estrogen levels by promoting proper hormone balance within the body.

Sea Kelp - A Natural Source Of Iodine And Other Nutrients

Did you know that sea kelp, a type of seaweed, is an excellent source of natural iodine packed with numerous essential nutrients?

Sea kelp contains iodine, manganese, iron, zinc, selenium, potassium,  magnesium, and calcium.

It’s also a rich source of vanadium, a trace mineral shown to help with balanced blood sugar control.

Sea Kelp is a prosperous source of fucoidan and fucoxanthin, naturally occurring plant phytochemicals that have potent anti-cancer properties and can promote weight loss by boosting metabolism.

Using Sea Kelp To Combat Cold Feet

Consider taking sea kelp capsules if you suspect your cold feet might be due to iodine deficiency.

This can help improve circulation and temperature control while providing additional benefits from impressive amounts of nutrients in sea kelp. 

Other Lifestyle Changes That May Help Alleviate Cold Feet

In addition to sea kelp supplementation, consider incorporating these additional tips:

Exercise regularly: Physical activity can boost circulation and help keep toes warm.

Dress warmly: Layer up during colder months or when spending extended periods in air-conditioned environments.


Iodine deficiency can seriously affect the body, causing a slow metabolism, fatigue, weakness, and hair loss.

Ensuring sufficient iodine intake in your diet is vital as it plays a crucial role in thyroid function, cognitive abilities like learning and IQ, and balanced estrogen levels.

One natural source of iodine is sea kelp, which also contains other beneficial minerals like manganese, iron, zinc, selenium, potassium, magnesium, and calcium, as well as vanadium for blood sugar management and fucoidan and fucoxanthin for weight reduction.


1. What is the Best Treatment for Iodine Deficiency?

The best treatment for iodine deficiency is to increase your intake of iodine-rich foods, such as seafood, dairy products, and iodized salt. Additionally, you can take an iodine supplement like sea kelp capsules. However, consulting with a healthcare professional before starting any supplementation is essential.

2. How Can I Increase My Iodine Levels Naturally?

To increase your iodine levels naturally, consume more foods rich in this essential nutrient. These include seaweed (such as kelp), fish (especially cod and tuna), shellfish, dairy products (milk and yogurt), and eggs.

3. Can Iodine Deficiency be Corrected?

Correcting an iodine deficiency typically involves increasing dietary intake through food sources or supplements. It is essential to consult with a healthcare professional to determine appropriate dosages if using supplements since excessive amounts may lead to adverse effects.

4. How Do You Restore Iodine Levels?

Iodine levels can be restored by consuming adequate amounts of natural food sources high in this nutrient or taking iodine-rich sea kelp supplements under medical supervision.


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