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.

Essential biomarkers runners should track to run faster and avoid injury

Essential biomarkers runners should track to run faster and avoid injury

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 04, 2025 · 14 min read

Your watch can tell you how far and how fast you run, but your bloodwork reveals whether your body can keep up. Here are the essential biomarkers runners should track to build speed, stay healthy, and avoid burnout. “Runners are great at tracking miles and split times, but the real performance gains often come when ...

Are peptides legal? What the new FDA regulations mean for you

Are peptides legal? What the new FDA regulations mean for you

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 03, 2025 · 9 min read

The FDA has cracked down on compounding pharmacies selling popular peptide therapies, leaving many men confused about their protocols. Here is a breakdown of what is legal, what is banned, and how to navigate the new landscape safely. “The recent FDA regulations are not an outright ban on all peptides, but a necessary tightening of ...

Do runners live longer? The science behind mileage and mortality

Do runners live longer? The science behind mileage and mortality

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 03, 2025 · 15 min read

Running is one of the simplest tools men can use to live longer, but the biggest gains do not come from marathons. Here is what the science says about how much you need to run, how it extends life, and how to do it safely. “For most men, the question isn’t ‘Do runners live longer?’ ...

Is your diet sabotaging your hormones? The science of testosterone killing foods

Is your diet sabotaging your hormones? The science of testosterone killing foods

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 03, 2025 · 16 min read

Certain everyday staples — from fried takeout to sugary drinks and packaged snacks — act like “testosterone killing foods” by driving inflammation, belly fat, and hormone disruption in men. Here is what the science says, what to watch for, and how to eat to protect your testosterone. “Most men do not lose testosterone overnight. They ...

Volume eating: how to lose weight by eating more food, not less

Volume eating: how to lose weight by eating more food, not less

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 02, 2025 · 12 min read

Volume eating swaps tiny portions for big plates packed with low-calorie, high-fiber foods. Here is how this strategy works, who it helps, and how to use it safely without wrecking your energy, hormones, or relationship with food. “Volume eating can be a smart way to feel full on fewer calories, but it only works long ...

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