What's In TULUI: The Full Ingredient Ledger
TULUI is a 12 fl oz nootropic energy drink with 200 mg of natural caffeine, a fully disclosed 150 mg dose of L-theanine, 0 g of sugar, and 5 calories per can. Every ingredient below lists its exact dose, source, and purpose. No proprietary blends.
TULUI Nutrition and Ingredient Specs at a Glance
These numbers come straight off the can label. Nothing is rounded up for marketing and nothing is hidden behind a "proprietary blend" line.
Nutrition Facts, Per 12 fl oz Can
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 5 | Not applicable |
| Total Fat | 0 g | 0% |
| Cholesterol | 0 mg | 0% |
| Sodium | 110 mg | 5% |
| Total Carbohydrate | 1 g | 0% |
| Dietary Fiber | 0 g | 0% |
| Total Sugars | 0 g | Not stated |
| Added Sugars | 0 g | 0% |
| Protein | 0 g | 0% |
| Vitamin D | 0 mcg | 0% |
| Calcium | 0 mg | 0% |
| Iron | 0 mg | 0% |
| Potassium | 50 mg | 2% |
| Vitamin B6 | 3 mg | 176% |
| Vitamin B12 | 0.05 mg | 2083% |
Performance Stack, Per 12 fl oz Can
| Ingredient | Dose |
|---|---|
| Natural Caffeine | 200 mg |
| L-Theanine | 150 mg |
| N-Acetyl L-Tyrosine (NALT) | 750 mg |
| L-Citrulline | 2,000 mg (2 g) |
| Alpha GPC 50% | 200 mg |
| Uridine 5'-Monophosphate | 200 mg |
| Vitamin B6 | 3 mg |
| Vitamin B12 | 0.05 mg |
| Pink Himalayan Salt | 100 mg |
| Potassium | 50 mg |
Full ingredient statement: Water, Citric Acid, Natural Flavors, L-Citrulline, N-Acetyl L-Tyrosine (NALT), Natural Caffeine, Alpha GPC 50%, Uridine 5'-Monophosphate, Color (from fruit and/or vegetable juice, varies by flavor), L-Theanine, Pink Himalayan Salt, Sucralose, Potassium, Vitamin B6, Vitamin B12.
Why We Publish the Full Stack
Most energy drinks hide their nootropic and amino acid content behind a line that says "energy blend" or "performance complex," followed by one combined milligram figure. That format is legal. It's also not useful if you want to know what you're actually drinking.
TULUI lists every active ingredient on its own line, with its own dose. There is no combined blend total standing in for individual amounts. If a can says 200 mg of natural caffeine, that's the caffeine number, not a shared figure split across five ingredients you can't separate out.
This page exists so you don't have to squint at a can in a store aisle or dig through a PDF to find the numbers. Every dose on this page matches the printed nutrition panel and ingredient list for all three TULUI flavors: Gold Standard Orange Citrus, Pacific Drive Tropical, and Dark Horse Wild Berry. The performance stack is identical across all three. Only the flavoring and color source change.
We built this page as a reference, not a sales pitch. If you're the kind of person who reads labels before you buy, this is the page we'd want to land on too.
Proprietary Blends vs. Full Disclosure
A proprietary blend is a group of ingredients listed together under one name, with one combined dose. A label might say "Focus Complex: 1,200 mg" and list five or six ingredients underneath it, in descending order by weight, with no individual amounts. That's allowed. It also means you can't tell if the third ingredient on the list is present at a meaningful dose or a trace amount.
Full disclosure means every ingredient gets its own line and its own number. TULUI's performance stack table above is a full-disclosure format: ten ingredients, ten individual doses, nothing combined. This distinction matters most for ingredients that only show up in research at a specific threshold dose. If you can't see the individual amount, you can't compare it to anything, research, another product, or your own notes.
We're not claiming full disclosure changes how an ingredient behaves in your body. It doesn't. What it changes is whether you, the person drinking it, can actually see what you're getting.
Natural Caffeine: 200 mg
Caffeine is a naturally occurring stimulant compound. TULUI sources its caffeine naturally rather than starting from a synthetic base, and each 12 fl oz can carries 200 mg. That figure is printed directly on the can as a caffeine warning: "Contains 200 mg caffeine per can. Not recommended for children, pregnant women, or persons sensitive to caffeine."
For context, the U.S. Food and Drug Administration has said most healthy adults can consume up to 400 mg of caffeine a day without commonly associated dangerous or negative effects. A single can of TULUI uses about half of that general daily reference point. See our full breakdown of how much caffeine is typical in a nootropic energy drink for how 200 mg compares to coffee and other sources. Caffeine sensitivity varies a lot from person to person, so talk to your doctor about your personal caffeine tolerance before making it a daily habit.
L-Theanine: 150 mg
L-theanine is an amino acid found naturally in tea leaves. It's one of the most studied ingredients paired with caffeine in energy and focus products, and TULUI discloses its exact amount: 150 mg per can.
Research on caffeine and L-theanine together generally uses ratios somewhere between roughly 1:1 and 2:1 theanine to caffeine. TULUI's 150 mg of L-theanine against 200 mg of caffeine works out to a ratio of about 3:4, which sits a bit below that commonly studied range. We break down what different ratios mean and why in The Caffeine to L-Theanine Ratio, Explained.
N-Acetyl L-Tyrosine (NALT): 750 mg
N-Acetyl L-Tyrosine, often shortened to NALT, is an amino acid derivative form of tyrosine. It's a common addition to nootropic and pre-workout formulas because it's more water-soluble than plain L-tyrosine, which makes it easier to include in a beverage rather than a capsule or powder.
TULUI's can lists 750 mg of NALT per serving. This is an ingredient fact, not a performance claim. We're not asserting what 750 mg of NALT does for any individual drinker. The dose is disclosed so you can compare it against other sources or research on your own terms, the same way you'd compare any supplement label before deciding what fits your routine.
L-Citrulline: 2,000 mg (2 g)
L-citrulline is a non-essential amino acid widely used in pre-workout and sports nutrition products, typically in doses ranging from 3,000 mg to 8,000 mg per serving in dedicated pre-workout formulas. TULUI includes 2,000 mg (2 g) of L-citrulline per can, which is on the lighter end relative to a dedicated pre-workout serving. This is the plain L-citrulline form, not citrulline malate, a distinction worth knowing since the two forms carry different total weights for the same amount of active citrulline.
As with every ingredient on this page, we're publishing the dose as printed, not making a claim about what 2,000 mg accomplishes for you specifically.
Alpha GPC: 200 mg (50% Concentration)
Alpha GPC is a choline compound commonly used in nootropic and cognitive-support products. TULUI's label lists 200 mg of "Alpha GPC 50%." That phrasing describes the raw ingredient input, which suppliers commonly standardize to a 50% concentration of alpha-GPC by weight rather than listing the pure compound weight directly.
This labeling convention is common across the supplement and nootropic beverage industry, not unique to TULUI. We publish the number exactly as it appears on the can so you can compare formats across products and understand what the raw ingredient weight actually represents.
Uridine 5'-Monophosphate: 200 mg
Uridine 5'-monophosphate is a naturally occurring nucleotide compound. It shows up in a handful of nootropic stacks, usually in combination with choline sources like Alpha GPC. TULUI includes 200 mg per can.
As with every ingredient on this page, this is a dose disclosure, not a claim about what it does for you personally. If you're researching uridine on your own, this exact number is what you'd plug into whatever comparison you're running.
Vitamin B6 and Vitamin B12
TULUI includes two B-vitamins at doses well above the standard daily reference intake, which is typical for energy drinks in this category. Vitamin B6 is included at 3 mg per can, which the label declares at 176% of the daily value. Vitamin B12 is included at 0.05 mg (50 mcg) per can, declared at 2,083% of the daily value.
Both are water-soluble vitamins, meaning your body doesn't store large surplus amounts the way it does with fat-soluble vitamins. High percentage-of-daily-value numbers like these are common across the energy drink category and reflect standard commercial dosing practices, not a TULUI-specific claim about energy or metabolism.
Potassium and Pink Himalayan Salt
TULUI's Nutrition Facts panel declares 50 mg of potassium per can, 2% of the daily value. The can also lists 100 mg of pink Himalayan salt in the ingredient and performance stack, which is the likely source of the can's 110 mg of sodium (5% of the daily value). Both are included as electrolyte-related ingredients, standard in the energy drink category.
Flavor, Color, and Acidity
Beyond the performance stack, TULUI's base recipe uses water, citric acid, and natural flavors. Citric acid is a common food-grade acidulant used to balance tartness and stabilize flavor. Natural flavors vary by can: Gold Standard Orange Citrus, Pacific Drive Tropical, and Dark Horse Wild Berry each use their own natural flavor profile.
Color comes from fruit and/or vegetable juice concentrate rather than a synthetic dye. Gold Standard and Dark Horse use a fruit and vegetable juice color source; Pacific Drive uses a vegetable juice color source. The exact blend varies by flavor, but none of the three uses an artificial color additive.
How Caffeine and L-Theanine Work Together
Caffeine and L-theanine are frequently studied as a pair because they're both easy to source and commonly combined in energy and focus products. Research on the two compounds together typically tests ratios in the neighborhood of 1:1 to 2:1 theanine to caffeine, and we go through the specifics in our full ratio breakdown.
Many people who pair caffeine with L-theanine describe the combined feeling as steadier than caffeine on its own, a clear, level feeling rather than a sharp spike. That's an experiential description based on how people commonly talk about the pairing, not a medical claim, and it's not a statement about what TULUI specifically will do for you. Individual response to caffeine and L-theanine varies by body weight, tolerance, and regular caffeine intake, so talk to your doctor about your personal caffeine tolerance if you're unsure how either ingredient affects you.
Sugar, Calories, and Sweetener
TULUI carries 0 g of sugar and 5 calories per 12 fl oz can. Sweetness comes from sucralose, a non-nutritive sweetener that doesn't contribute meaningful calories or carbohydrates. The can's 1 g of total carbohydrate and 5 calories come primarily from the trace ingredients in the performance stack and flavor system, not from any added sugar. There are 0 g of added sugars and 0 g of total sugars declared on the Nutrition Facts panel.
This zero-sugar formulation is consistent across all three flavors: Gold Standard Orange Citrus, Pacific Drive Tropical, and Dark Horse Wild Berry. The calorie and sugar numbers don't change between flavors. Only the flavor and color ingredients do. If you're comparing TULUI against anything else in your fridge, 5 calories and 0 g of sugar per can is the number to hold constant across every flavor you try.
How to Read This Label Yourself
You don't have to take our word for any of this. Every number on this page is printed on the can. Here's what to look for if you want to check it yourself:
- The Nutrition Facts panel lists calories, sodium, carbohydrate, sugar, and the vitamin and mineral amounts with their percent daily values.
- The performance stack panel lists every nootropic and amino acid ingredient with its own individual dose, not a combined total.
- The ingredient statement, listed in descending order by weight, shows exactly what's in the can, including base ingredients like water, citric acid, and natural flavors.
- The caffeine warning is printed separately from the Nutrition Facts panel and states the exact milligram amount per can.
If any of these four elements is missing from a product's label, or if the doses are combined into one blend total, that's worth noticing. It doesn't necessarily mean the product is lower quality. It does mean you have less information to work with.
Frequently Asked Questions
How much caffeine is in TULUI?
TULUI has 200 mg of natural caffeine per 12 fl oz can. That figure is printed on every can as part of the required caffeine warning and is identical across all three flavors.
Does TULUI have sugar?
No. TULUI has 0 g of sugar and 5 calories per can. It's sweetened with sucralose instead of sugar, and the zero-sugar formulation is the same across all three flavors.
What nootropics are in TULUI?
TULUI's performance stack includes L-theanine (150 mg), N-Acetyl L-Tyrosine (750 mg), Alpha GPC (200 mg of a 50% concentration ingredient), and Uridine 5'-monophosphate (200 mg), alongside L-citrulline, B-vitamins, potassium, and pink Himalayan salt. Every dose is listed on the specs tables above, and none of it sits behind a combined blend total.
Is TULUI safe to drink every day?
The FDA's general guidance is that most healthy adults can consume up to 400 mg of caffeine a day without commonly associated dangerous effects, and one can of TULUI uses about half of that reference point. This is general dosing information, not a medical claim about TULUI, and caffeine tolerance varies by person, so talk to your doctor about your personal caffeine tolerance before deciding what fits your routine.
Want to see how TULUI's caffeine and ratio stack up in context? Read how much caffeine is typical in a nootropic energy drink and the caffeine to L-theanine ratio, explained. Or head back to the TULUI homepage to see all three flavors.
