The Pairing

Caffeine and l-theanine is one of the most researched combinations for attention. Our exact 50 mg and 100 mg doses were tested in placebo-controlled human trials. In those trials, the combination improved attention accuracy and alertness against a placebo.

Sources: Owen et al., 2008; Camfield et al., 2014

Key Ingredients

  • Caffeine · 50mg

    Naturally extracted and about half a cup of coffee. Just enough to wake up your brain without overloading it.*

  • L-Theanine · 100mg

    An amino acid naturally derived from green tea that supports focus and cognitive performance. Paired with the caffeine at the studied 1:2 ratio, dosed high enough to actually be felt.*

  • Vitamin B6 · 118% DV

    Helps your brain make serotonin and dopamine, the chemicals behind mood and focus. Normally found in chicken, fish, or a banana.

    Raw food ingredients including pink chicken breasts, a slice of salmon with orange flesh and silver skin, and yellow bananas in a close-up composition.
  • Vitamin B12 · 100% DV

    Helps turn food into usable energy at the cellular level, usually found in meat, eggs, and dairy.

    A close-up arrangement of food ingredients including raw red meat, a glass of milk, brown eggs, a wedge of yellow cheese, a bowl of white cottage cheese, and a small piece of butter.

How to Get ZOIDED

  1. Place a pouch between your cheek and gum. Don't chew or swallow the pouch.
  2. Leave it in for about 30 minutes, or until you're done.
  3. Toss it in the bin or the lid's used-pouch compartment.

How Much

The FDA cites up to 400 mg of caffeine a day for healthy adults is not generally associated with negative effects. That means staying under eight pouches a day.

  • † Disclaimer:  † These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
  • Caffeine disclaimer: Contains 50 mg caffeine per pouch. Not recommended for people sensitive to caffeine, who are pregnant or nursing, or under 18. Do not use with other stimulants. Limit to 8 pouches per day.
  • Studies disclosure: Cited research used caffeine and L-theanine in capsule or drink form, not pouches. Some studies were conducted by tea-industry researchers. Individual results vary.
  • Reference 1: Owen, G. N., Parnell, H., De Bruin, E. A., & Rycroft, J. A. (2008). The combined effects of L-theanine and caffeine on cognitive performance and mood. Nutritional Neuroscience, 11(4), 193–198. https://doi.org/10.1179/147683008X301513
  • Reference 2: Camfield, D. A., Stough, C., Farrimond, J., & Scholey, A. B. (2014). Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis. Nutrition Reviews, 72(8), 507–522. https://doi.org/10.1111/nure.12120