Still feeling tired or sluggish even while taking thyroid medication? In this insightful video, Dr. Mark Stengler explains why standard thyroid treatments don’t always fix the problem — and how genetics, nutrient deficiencies, and hormone imbalances can block the crucial T4‑to‑T3 conversion your body needs. Discover the missing link to feeling like yourself again.

Discover how fiber can transform your weight, curb cravings, and balance blood sugar. Learn what to eat and when for real results—starting today.

Eating late disrupts your sleep, metabolism, and hormones. Discover what really happens to your body and how to avoid nighttime cravings—natu

Vitamin D for Gut Health? Here’s What You Need to Know

Is toxic exposure ruining your testosterone levels? Dr. Stengler reveals the hidden hormone disruptors & how to fight back naturally. Watch now.

Vitamin D isn’t just for bones—it’s a game-changer for your gut. Dr. Stengler explains how this essential vitamin strengthens your gut lining, balances your microbiome, and reduces inflammation.

Millions of people with thyroid problems still feel unwell despite normal labs. Dr. Stengler explains why and shares better treatment options.

Could this be the natural solution to chronic pain you’ve been waiting for? Discover the science behind PEA and how it works—safely and effectively.

Confused about hormone replacement therapy? Dr. Mark Stengler breaks down the facts about bioidentical vs. synthetic hormones, how they impact menopause symptoms, and why modern science supports their safe and effective use.

Discover the real science behind intermittent fasting and how it compares to calorie restriction. Dr. Stengler explores its effects on longevity, weight loss, inflammation, insulin sensitivity, and much more—so you can decide what’s right for your body and lifestyle.