Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

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

Nov 23, 2025 · 10 min read

Turkey deli slices can be a healthy, high‑protein option when they’re minimally processed, but many deli meats deliver a high sodium and curing‑agent load—some servings reach 1,000 mg of sodium (nearly half the 2,300 mg/day limit), which promotes aldosterone‑driven fluid retention and can raise blood pressure. Here’s how to spot whole‑muscle, lower‑salt, nitrate‑free choices at ...

Celsius caffeine vs Red Bull: Which energy drink is really better for your body?

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Nov 23, 2025 · 14 min read

Celsius and Red Bull promise quick energy, but their caffeine, sugar, and stimulant blends hit a man’s heart, metabolism, and hormones in very different ways. Here is how to choose the lesser risk — or skip both when you should. “When men ask me about Celsius caffeine vs Red Bull, I tell them to think ...

Is nitrate free bacon actually better for you?

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) — plus how often ...

Are perfect bars healthy or just clever marketing?

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Nov 22, 2025 · 9 min read

Perfect Bars aren’t automatically “healthy” — despite whole-food ingredients like nut butter and honey, their glycemic load can trigger an insulin response that’s nearly identical to a candy bar when eaten outside intense training. An endocrinologist explains how sugar sources, sweeteners, and even snack format (bar vs. shake) shape satiety, fat burning, and metabolic health. ...

What is the difference between magnesium citrate and magnesium glycinate?

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Nov 22, 2025 · 10 min read

Magnesium is essential for hundreds of bodily functions, but not all supplements are created equal. Here is the evidence-based breakdown of how citrate and glycinate affect your digestion, sleep, and absorption differently. “Patients often grab the first magnesium bottle they see, not realizing that the molecule attached to the magnesium dictates where it goes in ...