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.

CGM for nondiabetics: when it helps, when it misleads, and how men can use it well

CGM for nondiabetics: when it helps, when it misleads, and how men can use it well

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 17, 2025 · 11 min read

Continuous glucose monitors are no longer just for diabetes care. Here’s what the best evidence says about cgm for nondiabetics, what the numbers can and cannot tell you, and how men can turn glucose data into better training, body composition, and long-term cardiometabolic health. “For most healthy men, a CGM is optional, not essential. The ...

Metabolic confusion diet: can calorie cycling help men lose fat without stalling?

Metabolic confusion diet: can calorie cycling help men lose fat without stalling?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 14, 2025 · 12 min read

Metabolic confusion is a calorie-cycling approach that alternates higher- and lower-calorie days. The promise is fewer plateaus and less misery. Here’s what the evidence says, how to build a metabolic confusion meal plan, and how men can use it without sacrificing muscle, training, or hormones. “Metabolic confusion sounds like a hack, but the body isn’t ...

How body fat speeds up aging in men: the science of metabolism and longevity

How body fat speeds up aging in men: the science of metabolism and longevity

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 10, 2025 · 14 min read

Extra belly fat in men is not just stored energy. It is a hormone factory and immune organ that can speed up aging, damage metabolism, and cut into your healthy years. The good news: targeted fat loss is one of the most proven tools we have for longevity. “For men, losing excess visceral fat is ...

Does testosterone increase metabolism in men?

Does testosterone increase metabolism in men?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 09, 2025 · 11 min read

Many men hear that more testosterone means a faster metabolism and effortless fat loss. In reality, testosterone can nudge metabolism in the right direction for men with true deficiency, but the payoff depends heavily on muscle, movement, diet, and sleep. “In my clinic, testosterone is never a magic metabolism hack. In men who are genuinely ...

What is a red light therapy hat and should men use one for hair loss?

What is a red light therapy hat and should men use one for hair loss?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 08, 2025 · 14 min read

If you are staring at your hairline in the mirror and wondering what is a red light therapy hat and whether it can save your fade, you are not alone. Here is how these glowing caps work, what the science says, and how to decide if one fits into your hair-loss game plan. “A red ...

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