A new competitor has entered the crowded energy drink market, aiming to capture share from established giants like Celsius. The challenger is UPDATE, a brand relaunched this year with high-profile co-founder Kim Kardashian. The product’s primary selling point is its use of paraxanthine instead of traditional caffeine, promising consumers a boost without the typical side effects of jitters, crashes, or overstimulation.
However, the science behind this marketing claim is more nuanced than the label suggests. To understand whether UPDATE lives up to the hype, it is necessary to look at what paraxanthine actually is and how it affects the body.
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What Is Paraxanthine?
Despite being marketed as a distinct alternative to caffeine, paraxanthine is fundamentally linked to it. Paraxanthine is a metabolite of caffeine —meaning it is the substance your body creates when it breaks down caffeine.
When you consume caffeine, your liver processes it into several compounds. Approximately 80% of caffeine converts into paraxanthine, with the remainder becoming theobromine and theophylline. A helpful analogy is to think of paraxanthine as an amino acid and caffeine as protein: one is a building block or component of the other, rather than a completely separate entity.
The Safety and Dosage Question
Because paraxanthine is a derivative of caffeine, the critical question for consumers is: How does it compare in potency?
Currently, there is limited scientific research specifically isolating the effects of paraxanthine compared to pure caffeine. Consequently, nutrition experts and researchers cannot provide a precise conversion rate between the two substances.
In the absence of definitive data, experts advise treating paraxanthine as a one-to-one equivalent to caffeine. This creates a significant safety consideration for daily consumption:
- The recommended daily limit for caffeine intake for adults is generally 400 mg.
- A single can of UPDATE contains 300 mg of paraxanthine.
If treated as an equivalent, one can of UPDATE consumes 75% of your daily stimulant allowance. This leaves very little room for other sources of stimulation, such as morning coffee or other energy drinks.
Practical Implications for Consumers
The risk with UPDATE is not necessarily the ingredient itself, but the potential for accidental overconsumption. Because the drink is positioned as a “safer” or “smoother” alternative, consumers may underestimate its potency.
Key Takeaway: If you consume a can of UPDATE (300 mg paraxanthine) and also drink a standard cup of coffee (approx. 95–100 mg caffeine), you will likely exceed the safe daily limit of 400 mg.
This combination can lead to the very symptoms the brand claims to avoid: insomnia, anxiety, and physical overstimulation. As noted by health editors, failing to account for paraxanthine as a potent stimulant can result in lying awake at 3 a.m., effectively defeating the purpose of seeking an energy boost.
Conclusion
While UPDATE offers a sleek marketing narrative centered on avoiding the “caffeine crash,” consumers should approach it with caution. Paraxanthine is not a magic bullet; it is a potent stimulant closely related to caffeine. To use UPDATE safely, it must be counted toward your daily caffeine limit, not viewed as a separate, harmless category of beverage.
