Added sugar

Explore the impact of added sugar on testosterone levels, body composition, and overall men's health. Learn how to identify hidden sugars in your diet and reduce intake for better performance and longevity.

Why do energy drinks make me tired? The crash mechanics and the best cutoff before bed

Why do energy drinks make me tired? The crash mechanics and the best cutoff before bed

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 21, 2025 · 14 min read

Energy drinks can make you tired because caffeine and sugar can create a short-lived spike followed by a “crash,” and caffeine can also disrupt sleep long after the can is empty. If you keep asking “why do energy drinks make me sleepy,” the answer is often a mix of brain chemistry, blood sugar swings, hydration, ...

The truth about energy drinks without sucralose: What to know before you crack a can

The truth about energy drinks without sucralose: What to know before you crack a can

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 20, 2025 · 14 min read

Energy drinks without sucralose can reduce your exposure to one common artificial sweetener, but they are not automatically “healthy.” The real make or break factors are caffeine dose, added sugar, stacked stimulants like guarana, and whether the drink disrupts your sleep, gut, or blood pressure. Here is the truth about energy drinks without sucralose and ...

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