Redline Xtreme Energy Drink (RTD) contains 316 mg of caffeine per 8 oz bottle (2 servings) (237 ml / 8 oz). That is about 3 times the caffeine of a typical 8 oz cup of brewed coffee (about 95 mg). Concentration: 133.3 mg per 100 ml.
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Redline Xtreme Energy Drink (RTD) Caffeine Content by Serving
| Serving | Volume | Caffeine | Per 100 ml | Level |
|---|---|---|---|---|
| 8 oz bottle (2 servings) | 237 ml / 8 oz | 316 mg | 133.3 mg | Very High |
| per serving (half bottle) | 118 ml / 4 oz | 158 mg | 133.9 mg | High |
Source: caffeine figures from Caffeine Informer, accessed 2026-06-24. Values can vary by batch, location, and preparation; check the label or the source for the latest figures.
How Redline Xtreme Energy Drink (RTD) Compares to Coffee
At 316 mg per 8 oz bottle (2 servings), Redline Xtreme Energy Drink (RTD) delivers about 3 times the caffeine of a typical 8 oz cup of brewed coffee (about 95 mg). For a wider comparison across drinks, try the caffeine comparison tool or browse the full caffeine database.
When to Stop Drinking Redline Xtreme Energy Drink (RTD) Before Bed
With caffeine's median 5-hour half-life, an 8 oz bottle (2 servings) of Redline Xtreme Energy Drink (RTD) (316 mg) needs about 13 h 18 min to fall under 50 mg, the level where most people can fall asleep normally. That puts the last call at 8:30 AM (08:30) for a 10 PM bedtime and 9:30 AM (09:30) for an 11 PM bedtime. Individual half-lives range from roughly 2 to 12 hours, so treat these as a starting point.
The Redline Xtreme Energy Drink (RTD) sleep cutoff page has last-call times for four bedtimes, and the caffeine half-life calculator personalizes the curve to your metabolism.
