Posts tagged caffeine-and-sleep | Veedma ∙ Boost testosterone and feel like your mid-20s again.

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

Susan Carter, MD: Endocrinologist & Longevity expert

Nov 23, 2025 · 14 min read

Celsius and Red Bull both promise fast energy, but their caffeine, sugar, and ingredient profiles hit your heart, brain, and gut very differently. Here is how to compare them safely and choose what actually fits your health. “Energy drinks are not automatically ‘bad,’ but they are concentrated caffeine delivery systems layered with sugar and stimulants. […]

Why do energy drinks make me tired instead of energized?

Susan Carter, MD: Endocrinologist & Longevity expert

Nov 21, 2025 · 12 min read

If you keep asking “why do energy drinks make me tired” after every can of Red Bull or Monster, the answer is rarely just “caffeine.” It is usually a mix of brain chemistry, blood sugar swings, sleep disruption, and how often you reach for those cans in the first place. “When patients ask me ‘why […]

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

Susan Carter, MD: Endocrinologist & Longevity expert

Nov 20, 2025 · 13 min read

Energy drinks without sucralose sound cleaner and safer, but the real health impact depends on what manufacturers use instead and how much you drink. Here is how to decode the labels and choose options that support energy, hormones, and long-term health. “When patients ask me about energy drinks without sucralose, I remind them that removing […]