Free U.S. shipping on orders $45+ · Subscribe & save

Gorgie Energy Drink Review: 150 mg Green-Tea Caffeine, L-Theanine, and Stevia in One Can

R

Roon Team

September 1, 2026·9 min read
Gorgie Energy Drink Review: 150 mg Green-Tea Caffeine, L-Theanine, and Stevia in One Can

Gorgie Energy Drink Review: 150 mg Green-Tea Caffeine, L-Theanine, and Stevia in One Can

Gorgie is a zero-sugar sparkling energy drink built on 150 mg of caffeine from green tea and 75 mg of L-theanine (per label), sweetened with Reb-M stevia, at 5 calories per 12 fl oz can. Every active dose is printed on the label. No proprietary blend. That alone puts it in a different category than most canned energy drinks on the shelf.

A transparent label is a good start. But does the formula actually deliver? This review breaks down what Gorgie contains, what the science says about its key ingredients, where it falls short, and how it compares to Celsius.

Key Takeaways

  • 150 mg caffeine from green tea extract per can, roughly 37% of the FDA's 400 mg daily guideline for healthy adults.
  • 75 mg L-theanine (per label), giving a 2:1 caffeine-to-theanine ratio.
  • Sweetened with Reb-M (Rebaudioside M), a steviol glycoside. No sucralose, no aspartame, no erythritol.
  • Full label disclosure of every active ingredient's milligram dose. No proprietary blend.
  • Non-GMO Project Verified, NSF Contents Certified, vegan, gluten-free, and kosher per Gorgie's retail announcement.

What's Actually in a Can of Gorgie

IngredientAmount per Can (12 fl oz)Role
Natural caffeine (from green tea)150 mgStimulant
L-Theanine75 mg (per label)Amino acid for calm focus
Niacinamide (Vitamin B3)Listed (mg on label)Energy metabolism
Pyridoxine HCl (Vitamin B6)Listed (mg on label)Energy metabolism
BiotinListed (mcg on label)Hair, skin, nails
Cyanocobalamin (Vitamin B12)Listed (mcg on label)Energy metabolism
Ginger root extractListedFlavor, digestion
Steviol Glycosides (Reb M)Not quantifiedNon-nutritive sweetener
Calories5
Sugar0 g

Source: Gorgie product page and retail label listings.

The base is filtered carbonated water, citric acid, natural flavor, and potassium citrate. No artificial colors, no preservatives, no synthetic caffeine.

Gorgie's Caffeine: 150 mg from Green Tea Extract

The caffeine in Gorgie comes from green tea extract, not the synthetic caffeine anhydrous that most energy drinks use. Gorgie's marketing leans heavily on this distinction, and it deserves an honest look.

At the molecular level, caffeine is caffeine. Your body does not metabolize "natural" caffeine from green tea differently than lab-synthesized caffeine anhydrous. The pharmacological effect of 150 mg is the same regardless of source. Where the source might matter is in the trace compounds that come with a whole-plant extract: green tea naturally carries small amounts of catechins (like EGCG), though Gorgie adds its L-theanine separately at a standardized dose.

At 150 mg per can, Gorgie lands where most mainstream energy drinks sit. Moderate, not extreme, but still enough to cause jitters or sleep disruption if you are caffeine-sensitive or drinking late.

The L-Theanine Ratio: Why This Can Is Different

Gorgie pairs its 150 mg of caffeine with 75 mg of L-theanine (per label), a 2:1 caffeine-to-theanine ratio. Most canned energy drinks contain zero L-theanine, which makes this a genuine differentiator.

L-theanine is an amino acid found naturally in tea leaves. A 2008 study in Nutritional Neuroscience found that 100 mg L-theanine with 50 mg caffeine improved accuracy on rapid visual information processing and self-reported alertness compared to caffeine alone. A 2010 trial reported similar results: 97 mg L-theanine with 40 mg caffeine improved focus during demanding cognitive tasks.

The pattern: L-theanine smooths the stimulant curve of caffeine, reducing jitteriness while preserving alertness. No study has tested Gorgie's specific 150:75 formulation, so the science supports the mechanism, not this product. But including L-theanine at a disclosed dose puts Gorgie ahead of competitors that skip it or bury it in a proprietary blend. See how the 2:1 ratio compares across formats.

Stevia (Reb-M) as the Sweetener

Gorgie uses Reb-M (Rebaudioside M), a steviol glycoside extracted or fermented from stevia. Reb-M is the cleaner-tasting stevia fraction. Unlike the more common Reb-A, which carries a reputation for lingering bitterness, Reb-M delivers a more sugar-like sweetness curve with fewer off-notes.

Stevia sensitivity is still real and personal. A commonly reported taste note for stevia-sweetened drinks is a faint lingering sweetness that some find pleasant and others find distracting. No data quantifies how often this happens with Gorgie specifically, so treat flavor as something to try for yourself.

The drink contains no sucralose, no aspartame, and no erythritol. For people avoiding artificial sweeteners, that matters.

What Gorgie Gets Right: Full Label Disclosure

This is worth stating plainly because it is rare.

Gorgie prints every active ingredient's milligram amount on the label. No proprietary blend, no "energy matrix" hiding combined totals behind one number. You know exactly how much caffeine, how much L-theanine, and how much of each B vitamin you are getting.

Compare that to Celsius, which bundles taurine, guarana, green tea extract, caffeine, glucuronolactone, and ginger into a single 1,810 mg "MetaPlus" proprietary blend. You know the total caffeine (200 mg, disclosed separately) but not the individual dose of any other active in that blend.

Full disclosure does not guarantee efficacy. But it lets you evaluate what you are paying for. That transparency, plus third-party certifications (Non-GMO Project Verified, NSF Contents Certified), earns Gorgie real credibility. See how Gorgie ranks against the field.

Gorgie Energy Drink Side Effects to Know

150 mg of caffeine in one can is a meaningful dose. The side effects are the same ones any caffeine source can produce:

  • Jitters or anxiety in caffeine-sensitive individuals, especially on an empty stomach.
  • Sleep disruption if consumed within 6 to 8 hours of bedtime. Caffeine's half-life in most adults is 5 to 6 hours, so a can at 3 PM means roughly 75 mg still circulating at 9 PM.
  • Heart rate increase, mild and temporary in healthy adults, but potentially uncomfortable for people with heart conditions.
  • Digestive discomfort from carbonation or citric acid, especially on an empty stomach.

L-theanine may blunt jitteriness, but it does not eliminate the physiological effects of 150 mg of caffeine. And because 150 mg in one hit still has a ceiling, timing matters more than ingredients.

Who Should Be Careful With Gorgie

  • Pregnant or breastfeeding women. Talk to your clinician before adding any caffeinated product.
  • People on medication that interacts with caffeine (certain antibiotics, bronchodilators, MAOIs). Ask your prescriber.
  • Caffeine-sensitive individuals. If green tea makes you jittery, 150 mg in a can will be too much.
  • Anyone under 18. The FDA's 400 mg guideline applies to healthy adults only.
  • Late-afternoon drinkers. Caffeine will still be active at bedtime if you drink past 2 or 3 PM.

Gorgie vs. Celsius: A Quick Comparison

GorgieCelsius Original (12 oz)
Caffeine150 mg (green tea extract)200 mg (guarana + caffeine anhydrous)
L-Theanine75 mg (per label)None in original line
SweetenerReb-M steviaSucralose
Calories510
Sugar0 g0 g
Proprietary blend?NoYes (MetaPlus, 1,810 mg)
Price (12-pack, direct)$31.99 ($2.67/can)~$21-27 (varies by retailer)
Key certificationsNon-GMO, NSF Contents, VeganNon-GMO, Vegan, Kosher

Celsius hits harder on caffeine (200 mg vs. 150 mg) but lacks L-theanine in its original 12 oz line and hides active doses inside a proprietary blend. Gorgie costs more per can, delivers less caffeine, but you know what every milligram is doing. See also how Bloom's disclosure compares.

Conclusion

Gorgie is a well-formulated energy drink. Green-tea caffeine, disclosed L-theanine, and Reb-M stevia put it in the top tier of mainstream cans for transparency and ingredient quality.

The limits are format limits, not formula limits. A 12 oz can delivers 150 mg at once, peaks in 30 to 60 minutes, and fades over the next few hours. If you want moderate, smooth energy for a defined window, Gorgie is one of the best cans available. If you want a longer sustained curve, the format itself is the constraint.

Frequently Asked Questions

How much caffeine is in a Gorgie energy drink?

Each 12 fl oz can contains 150 mg of caffeine from green tea extract, about 37% of the FDA's 400 mg daily guideline for healthy adults.

Is Gorgie energy drink healthy?

Gorgie is one of the more transparent energy drinks available: zero sugar, 5 calories, fully disclosed doses, no proprietary blend, and Reb-M stevia instead of artificial sweeteners. "Healthy" depends on your baseline and caffeine tolerance, but the formula avoids the most common red flags in the category.

What sweetener does Gorgie use?

Gorgie uses Steviol Glycosides (Reb-M), a stevia-derived sweetener. Reb-M is considered one of the cleaner-tasting stevia fractions compared to Reb-A, with less bitterness and a more sugar-like profile. The drink contains no sucralose, aspartame, or erythritol.

Does Gorgie have L-theanine?

Yes. Every can contains 75 mg of L-theanine (per label). That gives a 2:1 caffeine-to-theanine ratio. L-theanine may help smooth caffeine's stimulant curve and reduce jitteriness.

How does Gorgie compare to Celsius?

Gorgie has less caffeine (150 mg vs. 200 mg), includes 75 mg of L-theanine (Celsius Original has none), uses stevia instead of sucralose, and fully discloses all active doses. Celsius uses a proprietary MetaPlus blend. Gorgie costs more per can but offers better label transparency.

Is the caffeine in Gorgie different from synthetic caffeine?

Gorgie's caffeine comes from green tea extract rather than caffeine anhydrous. At the molecular level, your body processes both identically. The stimulant effect of 150 mg is the same regardless of origin.

Can I drink Gorgie every day?

For most healthy adults, one can per day stays within the FDA's 400 mg caffeine guideline. If you drink other caffeinated beverages, add them up. Talk to your clinician if you are pregnant, breastfeeding, or on medication that interacts with caffeine.

Is Gorgie vegan and gluten-free?

Yes. Gorgie is vegan, gluten-free, Non-GMO Project Verified, NSF Contents Certified, and kosher.

A Pouch Built for the Same Problem, Different Tradeoffs

Gorgie gets the formula logic right: pair caffeine with L-theanine, disclose every dose, skip the artificial sweeteners. If you have tried Celsius or Monster and found them too aggressive or too opaque, Gorgie is a real step forward.

The tradeoff is delivery. A 12 oz can sends 150 mg into your system in one bolus. You peak, you coast, you fade.

Roon takes a different approach. It is a zero-nicotine sublingual pouch with 80 mg caffeine, 60 mg L-theanine, 25 mg methylliberine (Dynamine), and 5 mg theacrine (TeaCrine), designed for a 6 to 8 hour felt window. Methylliberine slows caffeine's clearance: a randomized, double-blind PK study (n=12) found that 100 mg methylliberine with 150 mg caffeine cut oral clearance from 41.9 to 17.1 L/hr and extended half-life from 7.2 to 15 hours, with no increase in peak concentration. That study used 4x Roon's methylliberine dose and ~1.9x its caffeine, so the magnitude will differ, but the mechanism's direction is the same. Because the tail is longer, stop at least 8 hours before bed.

Roon is not a "healthier Gorgie." It uses sucralose, not stevia. It contains 80 mg caffeine, which builds tolerance like any caffeine source. What it offers is a different format and a longer duration curve, from as little as $0.61 per pouch. If Gorgie is the best version of a can, Roon is built for people who want to leave the can behind.

Related from Roon

Written by Roon Team

Share

The Roon Journal

Sharper days, in your inbox.

Subscribe for exclusive discounts, early drops, and quiet notes on focus, sleep, and cognitive performance, straight from the Roon team.

  • Early access
  • Save up to 54%
  • New posts & tips

The Roon Community

Join the conversation on Reddit and Discord.

We started a community for the questions a product page can’t hold: what actually sharpens focus, what’s just hype, and how people really stack energy, focus, and sleep. Compare notes on the nootropics and pouches worth your time, Roon or not, or just ask. Get in early and help shape it.

You might ask

r/NootropicsScience

Does L-theanine actually smooth out caffeine?

Discord

What's the real fix for a 2 p.m. crash?

r/NootropicsScience

Rhodiola or ashwagandha for daily focus?