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.

Metformin over the counter: why it requires a script and how to get one safely

Metformin over the counter: why it requires a script and how to get one safely

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 08, 2025 · 11 min read

While metformin is gaining a reputation as a wonder drug for longevity and weight loss, you simply cannot find metformin over the counter at your local pharmacy. Here is the science behind why it is regulated, how it affects male physiology, and the legitimate ways to access it online. “The interest in metformin now extends ...

The metabolic truth: How many calories does masturbation actually burn?

The metabolic truth: How many calories does masturbation actually burn?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 07, 2025 · 13 min read

Masturbation does burn calories, but not nearly enough to count as a workout. Here is what the research says, how many calories jerking off actually burns, and how to fold it into a smart, male-focused weight plan. “Masturbation is normal, healthy sexual behavior for most men. It burns a few calories and can ease stress, ...

How biomarker data and report optimization in men can unlock better health

How biomarker data and report optimization in men can unlock better health

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 07, 2025 · 13 min read

Wearables, lab panels, and health apps are turning midlife checkups into data streams. Here is how smarter report optimization in men can turn those numbers into better energy, libido, and long-term health. “Most men now have more health data than their doctors had 20 years ago. The real win is not more testing, but turning ...

The worst foods for gut health and how they disrupt your entire system

The worst foods for gut health and how they disrupt your entire system

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 06, 2025 · 9 min read

We often think of digestion as a simple mechanical process, but your microbiome is actually a complex endocrine organ that controls immunity, mood, and metabolism. Here is the clinical evidence on which foods cause the most damage and how to restore balance. “Think of your microbiome as a metabolic control center, not just a digestion ...

Can low testosterone cause joint pain?

Can low testosterone cause joint pain?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 06, 2025 · 13 min read

Many men blame age or old injuries for aching knees and stiff shoulders. But if you also feel tired, weaker in the gym, and less interested in sex, low testosterone might be part of your joint pain story. “When men ask me ‘can low testosterone cause joint pain,’ I tell them this: testosterone is not ...

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