Zipfizz energy drink mix has about 100 mg of caffeine per tube/serving , when you mix one tube with 16–20 oz of water.

Quick Scoop: Caffeine in Zipfizz

  • Each standard Zipfizz tube: 100 mg caffeine.
  • Typical serving: 1 tube mixed into 16–20 fl oz of water.
  • Caffeine per fluid ounce: roughly 5–6.25 mg/fl oz , depending on how much water you use.
  • All flavors: generally the same caffeine amount per tube (differences are more in taste, vitamins, and sweeteners).

How that compares

  • Roughly similar to a regular 8 oz cup of coffee (often estimated around 80–100 mg).
  • Lower than a full-size energy drink like Monster (about 160 mg per can) or some stronger canned energy drinks.

Safety snapshot

  • The FDA’s general guideline for healthy adults is up to 400 mg of caffeine per day from all sources.
  • At 100 mg per tube, that’s about one-quarter of that daily limit.
  • Zipfizz caffeine comes from green tea, guarana, and added caffeine , so the effect can still feel strong if you’re caffeine‑sensitive.

A lot of forum and blog discussions frame Zipfizz as a “moderate caffeine, high‑vitamin” boost rather than a hardcore energy drink, but people who are sensitive to stimulants still report jitters if they take multiple tubes close together.

Mini story example

Imagine you start your morning with one cup of coffee, then take a Zipfizz before the gym. You’ve likely hit somewhere around 180–200 mg of caffeine total for the day already, which is still under the 400 mg guideline but high enough that a late‑night coffee or energy drink might start to interfere with sleep, especially if you’re sensitive.

TL;DR: One Zipfizz tube = about 100 mg of caffeine , similar to a cup of coffee, and you’ll usually want to stay under 4 tubes per day when you consider total caffeine from all other drinks and foods.

Information gathered from public forums or data available on the internet and portrayed here.