Millions of people are insulin resistant for 10 to 20 years before they develop diabetes. Their labs come back "normal." Their doctors tell them they're fine. And the whole time, elevated insulin is quietly driving weight gain, brain fog, hormone disruption, heart disease, Alzheimer's, and cancer. The test costs $9. No one is ordering it.
Dr. Ana Lara breaks down one of the most widespread and underdiagnosed metabolic conditions in medicine today — insulin resistance — and explains in plain terms why standard screening is missing it, what it actually looks like in the body, and how to reverse it completely through diet, movement, targeted nutrients, and the willingness to address what is actually driving the condition. She walks through the mechanism of insulin resistance (the cell receptors that stop responding to insulin, leaving glucose circulating in the bloodstream and driving inflammation), the symptoms most people don't connect to blood sugar (fatigue after eating, brain fog, belly fat, skin tags, skin darkening around the neck and armpits, mood swings, sugar cravings, waking up hungry, difficulty losing weight), and the diseases that develop downstream when it goes unaddressed — type 2 diabetes, heart disease, fatty liver, PCOS, infertility, erectile dysfunction, kidney disease, peripheral neuropathy, Alzheimer's (now being called type 3 diabetes by some researchers), and cancer. She then covers how to diagnose it — fasting insulin, C-peptide, HOMA-IR, hemoglobin A1C, fasting glucose, and a comprehensive metabolic panel — what the optimal (not just "normal") fasting insulin range looks like, and exactly what to do to reverse it: a low-carbohydrate diet starting with protein, healthy fats, and vegetables; weight-bearing exercise that builds new insulin receptors; prioritizing sleep; managing stress; and targeted supplementation with chromium, magnesium, vitamin D, zinc, and berberine.
Timestamps:
0:00 — Introduction: why insulin resistance is being missed
0:58 — The limits of standard screening: hemoglobin A1C and fasting glucose aren't enough
2:25 — Millions are insulin resistant for 10–20 years before diabetes is diagnosed
3:30 — How insulin works: the key-and-lock mechanism explained
4:22 — What happens when receptors stop responding
5:17 — Why fasting insulin and C-peptide are the smoke detectors for diabetes
7:20 — Myth: you have to be overweight to be insulin resistant
7:47 — Early warning signs: fatigue after eating, brain fog, belly fat, sugar cravings
10:42 — Belly fat, waking up hungry, and why cells starve while blood sugar stays high
11:25 — Mood swings, sleep disturbances, and downstream hormone disruption
12:31 — Women: irregular periods, PCOS, infertility, miscarriage
13:01 — Men: low testosterone, erectile dysfunction, muscle loss
13:30 — Visible skin signs: skin tags, darkening around the neck and armpits
13:53 — Diseases linked to insulin resistance beyond diabetes
15:03 — Alzheimer's as type 3 diabetes: the insulin-brain connection
15:36 — What causes insulin resistance: diet, lifestyle, visceral fat, toxins, steroids
16:57 — How to diagnose it: the full panel Dr. Lara orders and why
18:13 — HOMA-IR: using fasting glucose and fasting insulin together
18:48 — What a fasting insulin over 10 means — even when it's "normal"
20:43 — How to reverse insulin resistance: diet first
21:53 — The low-carb approach: protein, healthy fat, vegetables — no fruit initially
24:05 — Exercise: weight-bearing movement builds new insulin receptors
25:24 — Sleep, stress, and the cortisol-insulin connection
27:41 — Nutrient deficiencies: vitamin D, chromium, magnesium, zinc
29:05 — Chromium dosing, berberine, and supplement guidance
31:48 — Emotional eating and the deeper root Dr. Lara addresses
33:40 — Why children and teenagers are developing insulin resistance
36:09 — Closing: insulin resistance is reversible — and Dr. Lara has the proof
To find out whether insulin resistance is driving your symptoms, Dr. Lara offers a complimentary 15-minute phone consultation at Raíces Naturopathic Medical Center — schedule at raicesndmedcenter.com.