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 ...