A Smarter, Science‑Driven Approach to Treating Prediabetes and Diabetes

Last week, we uncovered a staggering truth: more than half of all U.S. adults are living with either prediabetes or diabetes — and most don’t even know it. With over 115 million people in the prediabetic range and millions more already diabetic, these conditions have quietly become the norm rather than the exception.
-Dr. John Salerno
Dr. John Salerno's Integrative Strategy for Diabetes and Prediabetes
Roughly 80% of people with prediabetes are completely unaware, and nearly a third of those with diabetes don’t realize they’re already living with a progressive metabolic disease. These aren’t small numbers — they’re a wake‑up call. This week, let's go deeper and break down the subtle signs, the overlooked risk factors, and the science‑backed strategies that can help you identify where you stand long before complications appear.
What I Want You to Know About Prediabetes
Prediabetes occurs when blood sugar levels are elevated but not yet in the diabetic range. It is primarily driven by insulin resistance, meaning your cells no longer respond effectively to insulin. Over time, your pancreas works harder and harder to compensate, eventually leading to type 2 diabetes if the underlying issues aren’t addressed.
What many people don’t realize is that hormonal imbalance is one of the most common contributors to insulin resistance. When estrogen, testosterone, thyroid hormones, or cortisol shift — especially during menopause, andropause, chronic stress, or thyroid dysfunction — the body becomes far less efficient at regulating glucose. Many patients come to me with fatigue, weight gain, cravings, or difficulty losing weight, not realizing these are early signs of metabolic dysfunction.
Understanding Diabetes Through a Hormonal Lens
Diabetes is a chronic condition characterized by elevated blood sugar due to impaired insulin production, insulin resistance, or both. Type 2 diabetes, the most common form, is strongly influenced by lifestyle, inflammation, and — importantly — hormonal imbalance
Leaving Prediabetes and Diabetes Untreated
Untreated prediabetes and diabetes quietly create a cascade of health problems because elevated blood sugar damages the body slowly, continuously, and often without symptoms.
- Over time, this excess glucose injures the lining of blood vessels, making them stiff and inflamed, which dramatically increases the risk of heart attacks and strokes.
- It also harms the kidneys’ delicate filtration system, leading to chronic kidney disease and, in severe cases, dialysis.
- Nerves begin to deteriorate, causing numbness, burning pain, or loss of sensation in the feet and hands—one of the leading contributors to falls, infections, and amputations.
- Vision can deteriorate as the tiny vessels in the retina become damaged, raising the risk of blindness.
- Even the immune system weakens, making infections more frequent and harder to recover from.
What makes all of this especially dangerous is that people often feel “normal” while this damage is happening beneath the surface, which is why early detection and intervention are so critical for long‑term health and longevity.
Millions of Americans live with diabetes or prediabetes, and many are unaware that hormones such as estrogen, testosterone, thyroid hormones, and cortisol directly affect how their bodies process glucose. When these hormones are out of balance, blood sugar becomes harder to control, weight becomes harder to lose, and inflammation increases. This is why I incorporate hormone evaluation and optimization into every metabolic treatment plan.
1. Hormones Directly Influence Insulin Sensitivity
Insulin is not the only hormone involved in blood sugar regulation. It interacts with several other hormones that influence metabolism, appetite, fat storage, and inflammation. When these hormones decline or become imbalanced, insulin resistance increases. For example:
- Low estrogen levels increase abdominal fat and worsen insulin resistance.
- Low testosterone reduces muscle mass, slowing metabolism.
- Low thyroid hormones impair glucose uptake and energy production.
- High cortisol (the stress hormone) triggers blood sugar spikes.
Through Bioidentical Hormone Replacement Therapy (BHRT), I restore balance to these systems, helping the body respond more effectively to insulin and reducing metabolic strain.
2. HRT Helps Reduce Abdominal Fat — a Major Driver of Insulin Resistance
Visceral fat — the fat stored around your organs — is one of the strongest predictors of diabetes. It releases inflammatory chemicals that worsen insulin resistance and disrupt hormonal balance.
HRT helps reduce visceral fat by:
- Increasing lean muscle mass
- Improving metabolic rate
- Reducing inflammation
- Stabilizing appetite and cravings
When I combine HRT with GLP‑1 therapy, patients often experience accelerated fat loss and improved metabolic stability.
3. Thyroid Optimization Is Essential for Blood Sugar Control
Thyroid hormones regulate metabolism, energy production, and glucose utilization. Even mild thyroid dysfunction can worsen insulin resistance and contribute to weight gain.
My Thyroid Disease Care includes advanced testing to evaluate T3, T4, TSH, Reverse T3, and thyroid antibodies — markers often overlooked in conventional care. By optimizing thyroid function through targeted Hormone Replacement Therapy and nutritional support, patients experience:
- Better glucose control
- Improved energy
- Faster metabolism
- Reduced inflammation
This makes thyroid optimization a critical component of diabetes management.
4. HRT Helps Stabilize Cortisol and Reduce Stress‑Induced Blood Sugar Spikes
Chronic stress elevates cortisol, which raises blood sugar and increases insulin resistance. Many patients with diabetes or prediabetes experience adrenal dysregulation without realizing it. I integrate HRT with IV Nutrient Therapy, MTHFR treatment, and adrenal support to restore cortisol balance. When cortisol stabilizes, patients often notice:
- Fewer blood sugar spikes
- Better sleep
- Improved mood
- Reduced cravings
This creates a more stable metabolic environment.
5. HRT Supports Weight Loss When Combined With GLP‑1 Therapy
Weight loss is one of the most effective ways to reverse insulin resistance — but hormonal imbalance often makes weight loss nearly impossible.
I frequently pair HRT with GLP‑1 therapy to:
- Improve insulin sensitivity
- Reduce appetite
- Increase fat burning
- Preserve muscle mass
This combination is especially effective for patients who have struggled to lose weight despite diet and exercise.
6. HRT Reduces Inflammation — a Major Contributor to Diabetes
Chronic inflammation disrupts insulin signaling and accelerates metabolic decline. Hormonal imbalance often fuels this inflammation.HRT helps reduce inflammatory markers by restoring hormonal equilibrium. I enhance these benefits with complementary therapies such as:
Together, these treatments help calm the inflammatory response and support healthier blood sugar levels.
7. HRT Improves Energy, Sleep, and Cravings — All Essential for Metabolic Health
Chronic fatigue, poor sleep, and sugar cravings are common in both diabetes and hormonal imbalance. These symptoms make it harder to maintain healthy habits and regulate blood sugar. By restoring hormonal balance, patients often experience:
- More stable energy
- Better sleep quality
- Reduced cravings
- Improved mood
These improvements make lifestyle changes more sustainable and effective.
8. HRT Helps Prevent Long‑Term Diabetic Complications
Balanced hormones support cardiovascular health, nerve function, and tissue repair — all areas affected by diabetes. HRT may help reduce the risk of:
- Neuropathy
- Cardiovascular disease
- Cognitive decline
- Muscle loss
- Osteoporosis
My Anti‑Aging and Longevity Medicine integrates HRT with regenerative therapies to support long‑term metabolic resilience.
9. Heavy Metals Are a Major (and Overlooked) Cause of Insulin Resistance
Most patients (and most doctors) don’t realize that heavy metal toxicity directly interferes with insulin signaling, making it far harder for the body to regulate blood sugar. Metals such as mercury, lead, and cadmium disrupt mitochondrial function, damage pancreatic beta cells, and increase systemic inflammation — all of which worsen insulin resistance.
In the medical practices I trained in throughout Japan, we observed a sharp rise in type 2 diabetes among patients who were thin but profoundly insulin resistant. The common factor was mercury toxicity from high consumption of tuna. These patients did not fit the typical metabolic profile, yet their insulin response was severely impaired due to mercury’s effect on cellular metabolism.
This is why I routinely evaluate heavy metal burden and integrate Chelation Therapy when appropriate. Removing toxic metals often leads to:
- Improved insulin sensitivity
- Better mitochondrial function
- Reduced inflammation
- More stable blood sugar
For many patients, addressing heavy metals is the missing piece in reversing insulin resistance.
10. Low‑Carb Nutrition Is Essential for Preventing Type 2 Diabetes
Carbohydrate intolerance is at the core of insulin resistance. When the body can no longer efficiently process glucose, even moderate carbohydrate intake can trigger blood sugar spikes, cravings, and fat storage. A low‑carbohydrate diet is one of the most effective strategies for preventing and reversing type 2 diabetes. It helps:
- Reduce insulin demand
- Lower blood sugar
- Decrease visceral fat
- Improve metabolic flexibility
- Stabilize appetite and cravings
When combined with HRT, GLP‑1 therapy, and targeted nutritional support, low‑carb nutrition becomes even more powerful. Many patients experience rapid improvements in energy, weight, and glucose control once carbohydrate intake is properly calibrated.
11. I Perform the TRH Stimulation Test — One of the Most Advanced Thyroid Diagnostics Available
Thyroid dysfunction is frequently missed in conventional medicine because standard labs often appear “normal” even when the thyroid is underperforming. That’s why I use the TRH Stimulation Test, a diagnostic tool performed by only a handful of physicians in the United States.
This test evaluates how the pituitary and thyroid communicate — something routine labs cannot measure. It allows me to detect:
- Early or subclinical hypothyroidism
- Pituitary‑thyroid axis dysfunction
- Hidden causes of fatigue, weight gain, and insulin resistance
By identifying thyroid issues earlier and more accurately, I can tailor treatment with far greater precision, improving metabolic health and blood sugar regulation.
12. I Use Glucose Tolerance Testing With Insulin to “Fingerprint” Each Patient’s Metabolic Response
Not all insulin resistance looks the same — and not all patients should follow the same carbohydrate guidelines. To personalize treatment, I perform a Glucose Tolerance Test with simultaneous insulin measurements, which provides a detailed metabolic fingerprint.
This advanced testing reveals:
- How quickly glucose rises
- How aggressively insulin responds
- How long insulin remains elevated
- Whether the patient is prediabetic, diabetic, or hyperinsulinemic
- How restrictive their carbohydrate intake should be
This allows me to design highly individualized nutrition plans, ensuring each patient receives the exact level of carbohydrate restriction their metabolism requires.
When combined with HRT, thyroid optimization, and detoxification, this approach dramatically improves outcomes for patients with diabetes and prediabetes.
Summary
Hormone Replacement Therapy is one of the most powerful — and most overlooked — tools for supporting metabolic health in patients with diabetes and prediabetes. By restoring hormonal balance, improving insulin sensitivity, reducing inflammation, and supporting weight loss, HRT helps patients regain control of their health and prevent long‑term complications.
Are you one of the 50% of Americans with Prediabetes or Diabetes? If you’re struggling with fatigue, weight gain, cravings, or unstable blood sugar, your hormones may be the missing link. My integrative approach uncovers the root causes of metabolic dysfunction and builds a personalized plan to restore balance and vitality.
I invite you to schedule a consultation and take the first step toward better metabolic health.












