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Environmental Toxins and Thyroid Insufficiency: What You Need to Know

Environmental Toxins and Thyroid Insufficiency: What You Need to Know

Gary Brecker's insights align with Franco's, exposing prevalent misconceptions surrounding thyroid health.

The North American Thyroid Dilemma

Between 18 to 25% of North Americans face challenges with poor thyroid activity, contributing to issues like obesity, low energy, and mental health struggles. Recognizing T4 conversion to T3 through methylation is key to addressing this prevalent problem.

Methylation: The Missing Link

Franco emphasizes that T4 converting to T3 hinges on methylation, requiring specific B vitamins—pyridoxine, riboflavin, thiamine, niacin, and pantothenic acid. Reintroducing these nutrients kick-starts thyroid function, dispelling the misconception that T4 alone suffices.

The TSH Misconception

Typically, TSH levels are used to gauge thyroid activity, but Franco urges a broader view. Elevated TSH doesn't necessarily mean a dysfunctional thyroid; it often points to T4 inefficiency. Testing T4 and T3 levels provides a more accurate measure of thyroid health.

A Thyroid Menace

Autoimmune conditions and environmental toxins, notably fluoridation and chlorination, contribute to thyroid insufficiency. Franco highlights the need to identify and eliminate these culprits to restore thyroid health effectively.

Optimizing Thyroid Function

Rather than focusing solely on T4, Franco recommends a holistic approach. Combining T4 and T3 supplements proves more effective, along with supporting conversion through ample B vitamins and compounds like trimethyl glycine (TMG).

"Understanding T4 to T3 conversion is crucial for effective thyroid health."

For a deeper dive, watch the full video on YouTube and explore more

To delve into his expertise further, consider reading Franco Cavaleri's books, available at

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