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.

Are Quest bars healthy for fat loss in men? What to know about quest bars and weight gain

Are Quest bars healthy for fat loss in men? What to know about quest bars and weight gain

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 24, 2025 · 16 min read

Quest Protein Bars can fit into a fat loss plan, but they can also contribute to weight gain or stalled progress if they push your daily calories above your target. If you have searched phrases like “quest bars and weight gain” or “quest bars stall weight loss,” the real issue is usually portion frequency, calorie ...

Turkey deli slices nutrition: How healthy is that easy sandwich, really?

Turkey deli slices nutrition: How healthy is that easy sandwich, really?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 23, 2025 · 11 min read

Turkey deli slices can fit into a healthy, high‑protein diet when they are whole‑muscle and lower sodium, but many deli products are high in sodium and curing agents that can raise cardiovascular risk when eaten often. Some servings reach 1,000 mg of sodium (nearly half the 2,300 mg/day limit), which can increase extracellular fluid volume ...

Celsius vs Red Bull caffeine: What the research says

Celsius vs Red Bull caffeine: What the research says

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 23, 2025 · 15 min read

Celsius has more caffeine than classic Red Bull (about 200 mg per 12 oz vs about 80 mg per 8.4 oz). Celsius is usually sugar-free and lower in calories, while classic Red Bull is lower in caffeine but far higher in sugar in the regular version, so Celsius can be healthier than regular Red Bull ...

Is nitrate free bacon actually better for you?

Is nitrate free bacon actually better for you?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 22, 2025 · 12 min read

“Nitrate free” bacon isn’t meaningfully healthier because it typically still contains natural nitrates (often from celery juice powder) that convert to nitrites and can form DNA-damaging nitrosamines in the stomach or during high-heat cooking. What matters more for risk is that bacon is still processed meat (a WHO Group 1 carcinogen). It also depends on ...

Are perfect bars healthy or just clever marketing?

Are perfect bars healthy or just clever marketing?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 22, 2025 · 10 min read

Perfect Bars are not automatically “healthy.” Despite whole-food ingredients like nut butter and honey, their sugar and calorie load can, for some people, raise glucose and insulin similarly to other high-sugar snacks when eaten away from hard training.[2] An endocrinologist explains how sugar sources, sweeteners, and even snack format (bar vs. shake) can shape satiety, ...

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