Crani-Yum Nootropic Energy Drink

Most energy drinks stop at caffeine, B vitamins, and whatever marketing angle the brand needs that quarter. Crani-Yum Nootropic Energy Drink takes a different approach: build the formula around meaningful doses of actual nootropics, keep the caffeine moderate, and let the stack do the heavy lifting. The result is a 16oz zero-sugar can designed for focus and mental clarity first, stimulation second.

Crani-Yum was founded in Fremont, Nebraska by Brett Claussen and Jamie Stark, two retail nutrition store owners and gym operators with over two decades of combined experience in the supplement industry. The brand launched its first two flavors in January 2024 after Claussen and Stark looked at the convenience store fridge and felt the existing options were underdelivering. Their thesis: most people drinking energy drinks want more than a caffeine buzz, and a product built around clinically relevant nootropic doses could stand out at shelf. In 2026, John Gorman and Leslie Franklin joined as owners, bringing manufacturing through their Synergy Labs facility and distribution relationships to expand Crani-Yum's retail footprint. The result is a brand with serious supplement industry roots and a formula that shows it.

Crani-Yum Nootropic Energy Drink Ingredients

Each 16oz (473mL) serving provides the following key actives:

• Caffeine (from all sources) - 150mg

  Caffeine is the reason energy drinks work, and Crani-Yum made a deliberate choice about how much to use. Where most of the category sits at 200-300mg, Crani-Yum lands at 150mg on purpose. The label sources caffeine from both guarana seed extract and added caffeine, which is worth noting: guarana delivers caffeine alongside naturally occurring theobromine and other xanthines that can subtly round out the energy curve.

  At doses in the 32-300mg range, caffeine reliably improves reaction time, sustained attention, and mood by blocking the signal in your brain that makes you feel tired.^[1] The ISSN has confirmed those cognitive and ergogenic benefits across a wide range of individuals.^[2] At 150mg, you're well within that window without pushing into territory where jitteriness or a hard crash become realistic concerns. Paired with 200mg of L-theanine in the same can, the caffeine here is working in a more favorable context than it would alone.^[3]

• Alpha-GPC - 400mg

  

  Alpha-GPC (alpha-glycerylphosphorylcholine) is the standout ingredient in this formula, and the dose is genuinely notable for a ready-to-drink beverage. At 400mg, Crani-Yum is using an amount that aligns with human research in healthy populations, not a cosmetic trace meant to appear on a label.

  Alpha-GPC is a choline-containing compound that your body converts to free choline after absorption. That choline crosses into the brain and serves as direct raw material for acetylcholine synthesis, the neurotransmitter most associated with sharp focus, fast recall, and the kind of sustained mental clarity that fades first when you're tired or under stress.^[4] In animal models, Alpha-GPC dose-dependently increased acetylcholine release in the hippocampus and striatum.^[5]

  In humans, a randomized double-blind placebo-controlled crossover study found that both 315mg and 630mg of high-purity Alpha-GPC significantly improved cognitive performance compared to placebo, with meaningful effect sizes.^[6] Physical performance research shows benefits too: six days at a similar dose significantly increased lower body isometric peak force versus placebo.^[7] The 400mg in Crani-Yum falls right between the doses that produced those results. Safety is well-characterized, with Alpha-GPC studied at much higher doses in clinical populations over months with no significant adverse events.^[8]

• Lion's Mane - 300mg

  Lion's Mane (Hericium erinaceus) is an edible mushroom with a growing body of research behind its effects on brain health. The relevant bioactive compounds are hericenones (from the fruiting body) and erinacines (from the mycelium), both shown to stimulate nerve growth factor (NGF) synthesis, a protein critical for the survival and plasticity of neurons most involved in learning and memory.^[9,10]

  The most-cited human trial gave adults with mild cognitive impairment 750mg of dried fruiting body powder daily for 16 weeks. Cognitive scores improved significantly compared to placebo at every measured time point, with scores declining again once supplementation stopped, suggesting the benefit depends on ongoing use.^[11] A separate UK pilot RCT in healthy adults aged 18-45 found a significant improvement in Stroop task speed after a single dose of 1.8g, along with a trend toward reduced stress at 28 days.^[12] A 2023 crossover study found that a single 1g dose improved reaction time on N-Back and Go/No-go cognitive tasks within two hours of ingestion.^[13]

  At 300mg, Crani-Yum is using an amount below most of the clinical research doses, which clustered around 750mg-3.2g daily. The label doesn't specify extract ratio or fruiting body vs. mycelium, which matters for bioactive concentration. It's an honest inclusion, and better than what most competitors carry, but longer supplementation durations tend to produce the most consistent results.^[14]

• L-Theanine - 200mg

  

  L-Theanine is the amino acid that makes the caffeine in this can feel different from a cup of drip coffee. Found naturally in green tea, theanine crosses the blood-brain barrier and raises GABA levels (which promotes calm), modulates glutamate activity (which reduces excitatory overload), and promotes alpha-wave brain activity, the relaxed-focus state associated with being in the zone without the edge.^[15,16]

  The 200mg dose is directly aligned with the research. A 4-week crossover RCT found that 200mg daily improved verbal fluency and executive function scores, with the largest gains in participants who had lower baseline cognitive function.^[17] Another RCT found significant reductions in tension-anxiety scores and physiological stress markers at the same dose.^[18]

  The combination evidence is where things get interesting. When L-theanine and caffeine are paired, the cognitive effects go beyond what either produces alone. A meta-analysis of 11 RCTs found meaningful improvements in alertness and attentional switching accuracy for the combination versus placebo.^[19] A crossover study directly comparing caffeine alone, theanine alone, the combination, and placebo found the combination uniquely improved simple reaction time, working memory speed, and sentence verification accuracy, effects not replicated by either compound in isolation.^[20] The 200mg theanine to 150mg caffeine ratio puts you squarely in a well-studied range for that synergy.

• Myo-Inositol - 1g

  Myo-Inositol is the most common form of inositol, a sugar alcohol that serves as a critical building block in the phosphatidylinositol signaling system. Inside cells, inositol-derived second messengers help regulate how neurons respond to dopamine, serotonin, and noradrenergic signals, which is why it has appeared in psychiatric and neurological research for decades.^[21,22]

  The clearest efficacy signals come from psychiatric research at high doses. A double-blind crossover trial in panic disorder patients found 12g/day significantly reduced weekly panic attack frequency, panic scores, and phobia scores versus placebo.^[22] A parallel trial in treatment-resistant depression found 12g/day significantly outperformed placebo at four weeks.^[21] Those are high doses relative to the 1g in Crani-Yum, so the functional contribution here is more likely as a supportive ingredient than a standalone active.

  At 1g, the amount is well below the threshold where clinical evidence is most robust, but inositol is practically side-effect free at this dose and meaningfully above a token trace amount.^[23] It rounds out the formula's neurological support angle rather than anchoring it.

• Other Ingredients

  

  • Carbonated water - the base and delivery vehicle, and a contributor to the sensory experience.
  • Citric acid - a common tartness agent and flavor stabilizer that also acts as a mild preservative.
  • Natural flavors - responsible for flavor character. Crani-Yum emphasizes natural flavoring as a brand differentiator.
  • Sodium benzoate and potassium sorbate - standard antimicrobial preservatives used widely across the RTD category to maintain shelf stability.
  • Sucralose - a zero-calorie high-intensity sweetener. The can has 5 calories total from a single gram of carbohydrate, so sucralose carries the primary sweetness here. No artificial colors are used, consistent with Crani-Yum's clean label positioning.
  • Panax ginseng root extract - an adaptogenic herb with a long history in traditional medicine and a growing body of modern research on cognitive performance. The label does not disclose the dose.

Flavors Available

• Grapefruit Soda (12 Cans: $53.48)
• Melon Crisp (12 Cans: $46.98)

Who It's For

• Focus-first drinkers who want moderate caffeine: If 200-300mg makes you anxious or crashes you hard, the 150mg here with 200mg theanine is a more dialed-in option. Clean energy without the overstimulation risk.
• Supplement-literate consumers: The Alpha-GPC dose is the main differentiator. If you've spent money on a nootropic supplement containing 300-600mg Alpha-GPC, you'll recognize immediately that Crani-Yum is doing something competitors in this tier are not.

The Formula Is the Point

Crani-Yum is betting that a meaningful nootropic stack in a 16oz can is enough to build a loyal audience, and the formula backs that up better than most. The 400mg Alpha-GPC is the real headline, at a dose that produced measurable cognitive results in controlled research. The 200mg L-theanine and 150mg caffeine combination is textbook in the best way. Lion's Mane adds NGF-stimulating support, and myo-inositol rounds out the neurological angle at a sensible inclusion level. If you're looking for a serious brain-forward energy drink from a brand that actually came from the supplement industry, Crani-Yum earns the attention. Follow @BevlabMedia on TikTok and Instagram for more on the nootropic energy category as it keeps moving.

References

1. McLellan, Tom M. et al. "A Review Of Caffeine S Effects On Cognitive Physical And Occupational Performance." Neuroscience & Biobehavioral Reviews, 2016. https://doi.org/10.1016/j.neubiorev.2016.09.001
2. Guest, Nanci S. et al. "International Society Of Sports Nutrition Position Stand Caffeine And Exercise Performance." Journal of the International Society of Sports Nutrition, 2021. https://doi.org/10.1186/s12970-020-00383-4
3. Wikoff, Daniele, et al. "Systematic review of the potential adverse effects of caffeine consumption in healthy adults, pregnant women, adolescents, and children." Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2017. https://doi.org/10.1016/j.fct.2017.04.002
4. Traini, Enea, et al. "Choline Alphoscerate Alpha Glyceryl Phosphoryl Choline An Old Choline Containing Phospholipid With A Still Interesting Profile As Cognition Enhancing Agent." Current Alzheimer Research, 2013. https://doi.org/10.2174/15672050113106660173
5. Sigala, Sandra, et al. "L Alpha Glycerylphosphorylcholine Antagonizes Scopolamine Induced Amnesia And Enhances Hippocampal Cholinergic Transmission In The Rat." European Journal of Pharmacology, 1992. https://doi.org/10.1016/0014-2999(92)90392-h
6. Kerksick, Chad M. "Acute Alpha-Glycerylphosphorylcholine Supplementation Enhances Cognitive Performance in Healthy Men." Nutrients, 2024. https://doi.org/10.3390/nu16234240
7. Bellar, David, et al. "The Effect Of 6 Days Of Alpha Glycerylphosphorylcholine On Isometric Strength." Journal of the International Society of Sports Nutrition, 2015. https://doi.org/10.1186/s12970-015-0103-x
8. Brownawell, Amy M, et al. "Safety Assessment Of Agpc As A Food Ingredient." Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2011. https://doi.org/10.1016/j.fct.2011.03.012
9. Mori, Koichiro, et al. "Nerve growth factor-inducing activity of Hericium erinaceus in 1321N1 human astrocytoma cells." Biological and Pharmaceutical Bulletin, 2008. https://doi.org/10.1248/bpb.31.1727
10. Szućko-Kociuba, Izabela, et al. "Szucko Kociuba2023 Neurotrophic And Neuroprotective Effects Of Hericium Erinaceus." International journal of molecular sciences, 2023. https://doi.org/10.3390/ijms242115960
11. Mori, Koichiro, et al. "Improving Effects Of The Mushroom Yamabushitake Hericium Erinaceus On Mild Cognitive Impairment A Double Blind Placebo Controlled Clinical Trial." Phytotherapy research : PTR, 2009. https://doi.org/10.1002/ptr.2634
12. Docherty, Sarah, et al. "The Acute And Chronic Effects Of Lion S Mane Mushroom Supplementation On Cognitive Function Stress And Mood In Young Adults A Double Blind Parallel Groups Pilot Study." Nutrients, 2023. https://doi.org/10.3390/nu15224842
13. La, Monica Michael B, et al. "Acute Effects Of Naturally Occurring Guayusa Tea And Nordic Lion S Mane Extracts On Cognitive Performance." Nutrients, 2023. https://doi.org/10.3390/nu15245018
14. Cortonesi, Pietra McDonnel Matheus, et al. "Use Of Hericium Erinaceus As A Potential Therapeutic Of Mental Disorders A Systematic Review." Debates em Psiquiatria, 2023. https://doi.org/10.25118/2763-9037.2023.v13.443
15. Juneja, L. "L Theanine A Unique Amino Acid Of Green Tea And Its Relaxation Effect In Humans." Trends in Food Science & Technology, 1999. https://doi.org/10.1016/s0924-2244(99)00044-8
16. Lopes, Sakamoto Filipe, et al. "Psychotropic Effects Of L Theanine And Its Clinical Properties From The Management Of Anxiety And Stress To A Potential Use In Schizophrenia." Pharmacological research, 2019. https://doi.org/10.1016/j.phrs.2019.104395
17. Hidese, Shinsuke, et al. "Effects Of L Theanine Administration On Stress Related Symptoms And Cognitive Functions In Healthy Adults A Randomized Controlled Trial." Nutrients, 2019. https://doi.org/10.3390/nu11102362
18. Williams, Jackson L, et al. "The Effects Of Green Tea Amino Acid L Theanine Consumption On The Ability To Manage Stress And Anxiety Levels A Systematic Review." Plant foods for human nutrition (Dordrecht, Netherlands), 2020. https://doi.org/10.1007/s11130-019-00771-5
19. Camfield, David A, et al. "Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis." Nutrition reviews, 2014. https://doi.org/10.1111/nure.12120
20. Haskell, Crystal F, et al. "The Effects Of L Theanine Caffeine And Their Combination On Cognition And Mood." Biological psychology, 2008. https://doi.org/10.1016/j.biopsycho.2007.09.008
21. Levine, J, et al. "Double-blind, controlled trial of inositol treatment of depression." The American journal of psychiatry, 1995. https://doi.org/10.1176/ajp.152.5.792
22. Benjamin, J, et al. "Double-blind, placebo-controlled, crossover trial of inositol treatment for panic disorder." The American journal of psychiatry, 1995. https://doi.org/10.1176/ajp.152.7.1084
23. Zarezadeh, Meysam, et al. "Inositol supplementation and body mass index: A systematic review and meta-analysis of randomized clinical trials." Obesity science & practice, 2022. https://doi.org/10.1002/osp4.569