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.

How to make the most of comprehensive biomarker testing for long-term health

How to make the most of comprehensive biomarker testing for long-term health

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

Comprehensive biomarker testing can turn a routine blood draw into a detailed map of your health and biological age. Here’s how to translate those numbers into clear decisions instead of confusion. “Biomarker testing is powerful, but only if you connect the dots. The goal isn’t a prettier lab report — it’s using those results to ...

Low cost longevity tips that actually work, according to research

Low cost longevity tips that actually work, according to research

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 02, 2025 · 13 min read

You do not need expensive wearables, injections, or supplements to add healthy years to your life. These evidence-backed, low cost longevity tips focus on simple daily habits that move the needle the most. “Most of the extra years modern medicine can offer come from boring, repeatable habits, not expensive biohacks. Walking, sleep, food basics, and ...

How quickly does B12 shot work for energy and cognitive focus?

How quickly does B12 shot work for energy and cognitive focus?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 01, 2025 · 13 min read

Vitamin B12 shots can quickly correct low B12 in people who cannot absorb pills, but the benefits, timing, and safe injection technique depend on your health, your dose, and exactly where and how the shot is given. “For the right patient, a B12 injection is like fixing a blocked fuel line. If you’ve been running ...

Finding the healthiest oat milk for your metabolism

Finding the healthiest oat milk for your metabolism

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 30, 2025 · 15 min read

Oat milk can be a smart swap or a stealth sugar bomb. Here is how to tell which oat milk brands are actually healthy, and how to choose the best oat milk for your body and your labs. “When patients ask me which is the healthiest oat milk, I remind them that it is closer ...

Can i drink coffee while fasting? The metabolic rules you need to know

Can i drink coffee while fasting? The metabolic rules you need to know

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 30, 2025 · 9 min read

For many intermittent fasters, the morning cup of joe is non-negotiable. But does that brew shut down fat burning or halt cellular repair? An endocrinologist breaks down the hormonal mechanics of caffeine during a fasted state. “From a hormonal perspective, the primary goal of fasting is to lower insulin levels to unlock fat stores. Black ...

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