Posts by Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Dr. Susan Carter is an endocrinologist and longevity expert specializing in hormone balance, metabolism, and the aging process. She links low testosterone with thyroid and cortisol patterns and turns lab data into clear next steps. Patients appreciate her straightforward approach, preventive mindset, and calm, data-driven care.

Gary Brecka gene test: what DNA methylation really tells you about your health

Gary Brecka gene test: what DNA methylation really tells you about your health

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 27, 2025 · 14 min read

Genetic methylation tests promise to read your biological age, disease risk, and supplement needs from a vial of blood or saliva. Here is what men need to know before buying into the Gary Brecka methylation test trend. “Epigenetic and genetic methylation testing is an exciting research tool, but for most men it is not a ...

Glutathione foods: can you really eat your way to better antioxidant defense?

Glutathione foods: can you really eat your way to better antioxidant defense?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 26, 2025 · 13 min read

Glutathione is often called the body’s “master antioxidant,” but simply loading up on glutathione foods is not the whole story. Here is how glutathione actually works, which foods matter most, and how to build a smarter plan for immunity, energy, and healthy aging. “Glutathione is less like a magic superfood and more like a workshop ...

Medicine 3.0: How prevention-based care can add healthy years to your life

Medicine 3.0: How prevention-based care can add healthy years to your life

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 25, 2025 · 15 min read

Medicine 3.0 shifts healthcare for men from reacting to disease to predicting and preventing it. Here’s how to use this longevity-focused model to protect your testosterone, metabolism, heart, and brain. “Medicine 3.0 asks a simple question: what will your 70-year-old self wish you had done at 40 or 50? For most men, the answer is ...

Is Dave’s Killer Bread healthy or just hype?

Is Dave’s Killer Bread healthy or just hype?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 25, 2025 · 8 min read

Dave’s Killer Bread lines the shelves with promises of whole grains and organic seeds. But with higher calorie counts and added sugar, does it actually support your metabolic health? Here is the endocrinologist’s verdict. “Dave’s Killer Bread represents a nutritional trade-off. You get a robust dose of fiber and protein that blunts the glucose spike ...

Are Quest Bars healthy or just better junk food?

Are Quest Bars healthy or just better junk food?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 24, 2025 · 15 min read

Quest protein bars promise high protein, low sugar, and big flavor. Here is what their nutrition label really means for your weight, blood sugar, and long‑term health. “When patients ask me if quest bars are healthy, I tell them this: they are a big upgrade from a candy bar, but they are still a processed ...

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