Best Focus Gummies: Natural Supplements For Concentration & Productivity

Key Takeaways:

• What They Do: Focus gummies support cognitive function using clean, functional ingredients rooted in nature and backed by science.
• How They Feel: They deliver smooth, sustained mental energy—no forced productivity, no anxiety spike, no afternoon crash.
• What to Look For: Quality matters: look for transparent dosing, third-party testing, real reviews, and formulas that actually make sense.

 

Let's be real: your brain is tired.

You've got seventeen tabs open in your head, three half-finished projects on your desk, and absolutely zero bandwidth left to actually do the thing. You're wired but exhausted. Caffeinated but scattered. Motivated but stuck.

Your thoughts keep drifting. Your focus keeps fracturing. And no amount of coffee seems to fix it—it just makes you jittery and unfocused at the same time.

Sound familiar?

If you're navigating ADHD (diagnosed or not), recovering from burnout, building a business while managing chronic illness, or just trying to survive in a world that glorifies hustle culture while your nervous system is screaming for a break—you're not alone. And you're definitely not broken.

Here's what nobody tells you: focus doesn't have to feel like a fight. Productivity doesn't require Adderall, six espressos, or white-knuckling your way through the day. You don't need to force it. You need to support it.

That's where focus gummies come in.

They're not a magic pill. They're not a shortcut. But when formulated right—rooted in nature, backed by science, made for you—they can be the nervous system support that helps your brain remember how to get in the zone and actually stay there.

This guide breaks down everything: what focus gummies are, how they work, when to take them, and how to spot the ones worth your time (and your money). Let's get your brain back online.

 

What Are Focus Gummies And Why They're Your Brain's New Best Friend

Focus gummies are chewable, functional supplements formulated with nootropics, adaptogens, amino acids, and cannabinoids designed to support cognitive function, mental clarity, and sustained attention—without the crash, jitters, or pharmaceutical side effects.

Think of them as brain fuel in gummy form. Easy to take. Effective to use. Built to help you drop into flow when it matters most.

Here's the difference: unlike stimulants that flood your system with synthetic energy or caffeine that leaves you wired and anxious, focus gummies work with your body's existing pathways. They don't force productivity. They create the conditions for it.

 

 

The Science of Smarter Focus (Without the Lecture)

Your brain runs on neurotransmitters—chemical messengers like dopamine (motivation, reward, drive), serotonin (mood, calm, emotional regulation), and GABA (relaxation, mental quieting). When these systems are balanced, you feel sharp, grounded, and engaged. When they're dysregulated—thanks to stress, poor sleep, chronic illness, or just being a high-functioning human in 2025—you feel scattered, anxious, or mentally exhausted.

Focus gummies work by supporting these systems naturally. Research shows that ingredients like L-theanine, lion's mane mushroom, and low-dose cannabinoids can enhance cognitive performance, reduce mental fatigue, and improve attention span—without overstimulation or dependency.¹˒²˒³

Why they're actually worth trying:

• No jitters or anxiety spike (unlike your fourth cup of coffee)
• Sustained mental energy that lasts hours, not minutes
• Nervous system support (especially clutch if you're dealing with ADHD, burnout, or chronic stress)
• Easy, consistent dosing (no measuring powders or choking down horse pills)

Founder Note: When I was building Hey Mary Jane while managing Lyme-induced brain fog and ADHD, I couldn't rely on Adderall or caffeine anymore. Adderall helped my focus but killed my creativity and made me feel like a robot. Caffeine just made me anxious and scattered. I needed something that would help my nervous system settle into focus instead of forcing it. That's when I started experimenting with microdosed cannabinoids, nootropic mushrooms, and adaptogens. The difference was immediate: I could think clearly, stay on task, finish what I started—and I didn't feel like I was running on fumes to do it.

 

Top Natural Ingredients That Power Up Focus Gummies

Not all focus gummies are created equal. The best ones use science-backed ingredients with real mechanisms of action—not just buzzwords slapped on pretty packaging. Here are the ingredients you'll want to look for (and the ones we use in Groove, because we don't do filler):

 

L-Theanine

What it does: L-theanine is an amino acid found in green tea that promotes relaxed alertness without sedation. It increases alpha brain wave activity—the same brain state associated with calm, focused mental flow.² Why it works: L-theanine pairs beautifully with low-dose caffeine (like what's naturally present in green tea extract) by smoothing out the jittery edges while preserving the focus-boosting effects. On its own, it helps quiet mental noise without making you drowsy. What it feels like: Your thoughts slow down just enough to actually land on something instead of ping-ponging around your skull. You're still alert, still engaged—you're just not fighting your own brain anymore. Best for: Creative work, deep thinking, reducing anxiety-driven distraction.

 

Lion's Mane Mushroom

What it does: Lion's mane is a nootropic mushroom known for supporting cognitive function, neuroplasticity (your brain's ability to form new connections), and nerve growth factor (NGF) production.³ Why it works: Studies show that lion's mane may improve memory, focus, and mental clarity over time by supporting brain health at a cellular level. It's not a quick-fix stimulant—it's a long-term investment in cognitive resilience. What it feels like: You don't notice it in the first 20 minutes like you would with caffeine. But after a few weeks of consistent use, you realize you're retaining information better, connecting dots faster, and your brain just feels… sharper. Best for: Memory support, mental stamina, long-term brain health, anyone who feels like their brain is aging faster than their body.

 

Cordyceps Mushroom

What it does: Cordyceps is an adaptogenic mushroom traditionally used to boost energy, endurance, and physical performance. It supports oxygen utilization and ATP (cellular energy) production.⁴ Why it works: Unlike stimulants that spike your energy and leave you crashing, cordyceps supports sustained energy at a mitochondrial level. It helps your cells produce energy more efficiently—which translates to better mental and physical stamina. What it feels like: You're not buzzing. You're not wired. You just… have gas in the tank. You can tackle the afternoon without dragging. You can finish the workout without bonking. Your energy feels earned, not borrowed. Best for: Combating fatigue, athletic performance, sustained focus through long work sessions.

 

Green Tea Extract

What it does: Green tea extract contains natural caffeine plus polyphenols (like EGCG) that support cognitive function, metabolism, and antioxidant protection.⁵ Why it works: The caffeine content is gentle—enough to support alertness without overstimulation. Combined with L-theanine (which is also naturally present in green tea), it creates calm, focused energy instead of jittery chaos. What it feels like: You get the mental clarity of coffee without the anxiety or the crash. It's like the idea of caffeine, not the full assault. Best for: Smooth energy boost, metabolism support, anyone who's sensitive to high-dose caffeine.

 

Full-Spectrum CBD (Cannabidiol)

What it does: CBD is a non-intoxicating cannabinoid that interacts with your endocannabinoid system (ECS) to support nervous system regulation, stress response, and cognitive clarity.⁶ Why it works: Your ECS regulates everything from mood to memory to attention. When it's balanced, your brain functions better. When it's dysregulated (thanks to chronic stress, poor sleep, or illness), your focus suffers. CBD helps restore that balance without sedation. What it feels like: The mental noise quiets down. The background hum of anxiety softens. You're still fully present and alert—you're just not running on stress and adrenaline anymore. Best for: Nervous system support, stress-induced distraction, anyone who feels "wired and tired".

 

THCV (Tetrahydrocannabivarin)

What it does: THCV is a rare cannabinoid known for its energizing, focus-enhancing, and appetite-suppressing properties. Unlike THC, it's not sedating—it's stimulating.⁷ Why it works: THCV appears to interact with CB1 and CB2 receptors differently than THC, promoting alertness and mental clarity instead of relaxation or euphoria. Early research suggests it may support dopamine activity and cognitive performance. What it feels like: You feel sharp. Motivated. Like someone turned up the brightness on your brain. It's subtle but unmistakable—especially if you're used to feeling foggy or sluggish. Best for: Energy without jitters, motivation support, ADHD-style focus needs.

 

Microdosed THC (Tetrahydrocannabinol)

What it does: At very low doses (1-2mg), THC can support creativity, mood, and social ease without intoxication or impairment.⁸ Why it works: Microdosing THC activates your endocannabinoid system just enough to support dopamine release and reduce stress—without getting you high. It's the difference between a whisper and a shout. What it feels like: You feel… good. Present. A little more creative, a little more fluid in conversation, a little less stuck in your head. You're not altered—you're just softer around the edges. Best for: Creative flow, social situations, "happy hour without the booze," reducing overthinking.

Why Groove's formula hits differently:

Groove combines 20mg full-spectrum CBD, 1.5mg THCV, 1mg THC, lion's mane, cordyceps, L-theanine, and green tea extract in a single, intentionally dosed gummy. It's not about throwing every trendy ingredient into a bottle and calling it a day. It's about creating synergy—where each ingredient amplifies the others to support flow state, jitter-free focus, and calm productivity.

Tiny dose. Big shift. Rooted in nature, backed by science.

 

How Focus Gummies Boost Concentration Without The Jitters

The magic of well-formulated focus gummies isn't just what they contain—it's how the ingredients work together. Instead of overstimulating your system with a single high-dose ingredient (looking at you, 300mg energy drinks), they create synergy across multiple pathways to support calm, sustained focus.

 

 

Balancing Brain Chemistry Without Caffeine Overload

Most people reach for caffeine when they need focus. And sure—caffeine can improve alertness. But it also comes with downsides: jitters, anxiety, crashes, insomnia, and that lovely feeling of being wired and exhausted at the same time.

Focus gummies take a different approach.

Ingredients like L-theanine and full-spectrum CBD support alertness and attention without overstimulating your sympathetic nervous system (your fight-or-flight response). Research shows that L-theanine combined with gentle caffeine (like what's in green tea extract) increases alpha brain waves—the same brain state associated with relaxed focus and creative flow.²

What this feels like:

You're not buzzing or racing. You're just… clear. Your thoughts move smoothly from one task to the next instead of bouncing around like a pinball machine. You can stay with a project for hours without feeling restless or distracted. And when you're done, you don't crash—you just transition naturally to whatever's next.

 

Stress Less, Focus More

Here's a truth most productivity advice ignores: you can't focus when your nervous system is stuck in survival mode.

When you're anxious, overwhelmed, or running on fumes, your brain diverts resources away from higher-order thinking (focus, creativity, problem-solving) and toward survival (hypervigilance, rumination, doom-scrolling). This is where adaptogens like cordyceps and cannabinoids like CBD come in.

Adaptogens don't numb you out or force relaxation—they help your body adapt to stress more efficiently. Studies show that adaptogenic mushrooms can improve cognitive performance under pressure, reduce mental fatigue, and support resilience without sedation.⁴

What this feels like:

The mental noise quiets down. The sense of urgency softens. You're still motivated and engaged, but you're not running on adrenaline and panic anymore. Your brain has space to think, plan, and execute—without the constant background hum of stress.

Founder Note: During my worst Lyme flare-ups, my nervous system was stuck in overdrive—constantly wired, constantly exhausted. Stimulants made it worse. But when I started using adaptogens alongside microdosed cannabinoids, I noticed my brain could actually settle into focus instead of forcing it. It was the first time in years that productivity didn't feel like a fight.

 

Fuel For Thought That Lasts

One of the biggest complaints about caffeine and synthetic nootropics is the crash. You feel great for an hour, then hit a wall and spend the rest of the day dragging.

Focus gummies avoid this by using sustained-release compounds and neuroprotective ingredients that support your brain over time, not just in the moment.

Lion's mane, for example, doesn't give you an instant buzz—but over weeks of consistent use, it supports neuroplasticity and cognitive resilience.³ Cordyceps reduces mental fatigue without spiking and crashing your energy.⁴ And cannabinoids like THCV provide energizing effects that last 3-5 hours without the jittery comedown.⁷

What this feels like:

You take a gummy in the morning, and by mid-morning, you're in your groove. You stay there through lunch, through the afternoon slump, and into the evening—without needing to re-dose or fight exhaustion. Your focus doesn't spike and crash; it just… holds.

 

The Best Times To Take Focus Gummies For Maximum Productivity

Timing matters. Here's when to reach for a focus gummy based on your actual life (not some productivity guru's fantasy schedule):

 

Morning Jumpstart Without The Jitters

When to take it: 20-30 minutes before you need to start working

If you're someone who wakes up with brain fog, or if caffeine makes you anxious and scattered, focus gummies can offer a smoother alternative. Ingredients like L-theanine and full-spectrum CBD help you ease into the day with calm clarity instead of forcing your nervous system online with stimulants.

Perfect for:

• Starting the day grounded instead of frantic
• Setting the tone for productive work without the coffee jitters
• Anyone who's sensitive to caffeine or prone to morning anxiety

Real-life scenario: You're working from home. You've got a full day of Zoom calls, emails, and deep work ahead. Instead of chugging coffee and feeling wired by 10 a.m., you take a Groove gummy with breakfast. By the time you sit down at your desk, you're in it—focused, calm, ready.

 

Midday Slump Rescue

When to take it: Right when you notice your focus starting to fade (usually 1-3 p.m.)

You know that post-lunch energy crash where your brain feels like it's moving through molasses and you'd sell your soul for a nap? Focus gummies can help you power through without reaching for another coffee (which will just keep you up at night) or doomscrolling Instagram for 45 minutes.

Perfect for:

• Afternoon productivity without the 3 p.m. crash
• Staying sharp through back-to-back meetings
• Avoiding the "second coffee mistake" that ruins your sleep

Real-life scenario: You crushed the morning. But now it's 2 p.m., you just ate lunch, and your brain is checked out. You've still got three hours of work left and zero bandwidth. You pop a Groove gummy. Within 30 minutes, you're back online—focused, energized, ready to finish strong.

 

Creative Flow Or Deep Work Mode

When to take it: 30-60 minutes before diving into complex, creative, or high-focus tasks

If you're about to write, design, code, strategize, problem-solve, or do anything that requires your full mental bandwidth, a focus gummy can help you drop into that coveted flow state—the mental zone where time disappears, distractions fade, and ideas flow effortlessly.

Perfect for:

• Creative projects that need your full presence
• Deep work sessions (writing, coding, designing)
• Problem-solving or learning new skills
• Anything where "good enough" isn't good enough

Real-life scenario: You're working on a passion project—something that matters, something that requires your best thinking. You clear your schedule, silence your phone, and take a Groove gummy. An hour later, you're in it. The words are flowing. The ideas are connecting. You're not fighting your brain—you're riding it.

 

How To Choose The Best Focus Gummies That Actually Work

Not all focus gummies are created equal. Some are formulated by scientists who understand neurotransmitters. Others are formulated by marketing teams who understand fonts. Here's your no-BS guide to spotting the good ones:

 

Read The Label Like A Pro

What to look for:

• Science-backed ingredients (L-theanine, lion's mane, cordyceps, green tea, full-spectrum CBD, THCV—not just "proprietary blend")
• Clean formulations (no artificial colors, no high-fructose corn syrup, no mystery fillers or preservatives)
• Transparent sourcing (organic when possible, sustainably harvested, non-GMO, made in the USA)

What to avoid:

• Proprietary blends where you can't see individual ingredient doses (translation: they're hiding something)
• Mega-doses of stimulants (more isn't always better—it's often just more anxious)
• Sketchy additives, synthetic dyes, or ingredients you can't pronounce

Pro tip: If a brand won't show you their full ingredient panel or third-party lab results, keep scrolling. Transparency isn't optional—it's the baseline.

 

Check The Dosage, Not Just The Buzzwords

Marketing loves to throw around phrases like "clinically proven" and "maximum strength," but what actually matters is whether the dosing matches what research shows is effective.

For example:

• L-theanine: 100-200mg per dose is ideal for focus without sedation
• Lion's mane: 500-1000mg is the range most studies use for cognitive benefits
• Full-spectrum CBD: 10-25mg for daytime focus (higher doses can be sedating)
• THCV: 1-3mg for energy and mental clarity
• Microdosed THC: 1-2mg for creativity and mood support (without intoxication)

More isn't always better. If a gummy has 500mg of CBD, it's probably going to make you sleepy, not focused. Balance matters.

 

Trust The Vibe And The Reviews

Transparency is everything. A reputable brand will:

• Provide third-party lab testing (COAs showing exactly what's in the product—and what's not)
• List all ingredients clearly (no hiding behind "natural flavors" or vague proprietary blends)
• Show real customer reviews (not just curated Instagram testimonials or fake 5-star reviews)

If a brand is cagey about testing, sourcing, or ingredient transparency, move on. There are too many good options out there to settle for sketchy ones.

Why Groove hits differently:

We're not here to slap a trendy ingredient on a gummy and call it a day. Groove combines 20mg full-spectrum CBD, 1.5mg THCV, 1mg THC, lion's mane, cordyceps, L-theanine, and green tea extract in a formula specifically designed for flow state—that sweet spot where focus feels effortless, creativity flows, and distractions fade.

It's not about forcing productivity. It's about creating the conditions for your brain to do its best work naturally.

Clean ingredients. Transparent dosing. Third-party tested. Always.

If you're dealing with brain fog, burnout, ADHD, or just need your nervous system to chill while your brain stays sharp, this is your move.

 

 

Final Thoughts

Here's the truth nobody wants to say out loud: focus doesn't have to feel like a fight.

You don't need to white-knuckle your way through your to-do list. You don't need six cups of coffee, Adderall you don't have a prescription for, or superhuman willpower to get things done. You're not broken. You're not lazy. You're not "just not a focused person."

You're a high-functioning human in a world that glorifies burnout, pathologizes rest, and expects you to perform at 110% while your nervous system is running on fumes.

Your brain is built for focus, creativity, and flow—but it needs the right support to get there. And sometimes, that support comes in the form of a gummy made with intention, backed by science, and designed to work with your body instead of against it.

Focus gummies aren't magic. They're not a shortcut. But when you choose high-quality formulations with clean, functional ingredients and transparent dosing, they can be a powerful tool in your wellness toolkit—one that helps you show up clearer, calmer, and more capable every single day.

Tiny dose. Big shift. Rooted in nature, backed by science.

Start with one gummy. Notice how you feel. Tune into your body's response. Pay attention to what shifts.

And remember: productivity isn't about doing more—it's about doing what matters with less friction and more presence.

You've got this. And if you need a little nervous system support to get there? That's what we're here for.

 

Frequently Asked Questions About Focus Gummies

What exactly are focus gummies supposed to do?

Focus gummies are designed to support mental clarity, sustained attention, and cognitive function by working with your brain's natural chemistry—not against it. They use ingredients like nootropic mushrooms (lion's mane, cordyceps), amino acids (L-theanine), and cannabinoids (CBD, THCV) to help you stay on task, reduce mental fatigue, and quiet distracting mental noise. They're not about forcing productivity or creating artificial energy—they're about creating the conditions for your brain to function at its best.

 

Will focus gummies make me feel wired or hyper?

Nope. Good focus gummies are formulated for smooth focus, not frantic energy. Unlike high-dose caffeine or synthetic stimulants, they work by supporting balanced neurotransmitter function and calming your stress response—not by flooding your system with adrenaline. You should feel clear, grounded, and engaged—not jittery, anxious, or overstimulated. If a focus gummy makes you feel wired, it's probably dosed too high, using ingredients your body doesn't tolerate well, or just poorly formulated.

 

When should I take focus gummies for the best results?

It depends on your rhythm and what you're trying to accomplish. Most people take them in the morning (20-30 minutes before starting work) for a smooth mental jumpstart, at midday (to combat the 3 p.m. slump), or before deep work sessions (30-60 minutes before diving into creative or complex tasks). Start by noticing when your focus naturally dips during the day, then use gummies strategically to support those moments. There's no one-size-fits-all approach—listen to your body.

 

Can I take focus gummies with coffee or tea?

You can, and many people do—it's called "stacking." Some ingredients (like L-theanine) actually pair beautifully with caffeine by smoothing out the jitters while preserving the focus-boosting effects. That said, everyone's tolerance is different. If you're sensitive to caffeine, prone to anxiety, or already running on stress and adrenaline, start with the gummies alone and see how you feel before adding other stimulants into the mix. The goal is calm focus, not frantic energy.

 

How long do focus gummies take to kick in?

Most people notice effects within 30-60 minutes, depending on your metabolism, what you've eaten, and your individual body chemistry. Some ingredients (like L-theanine and cannabinoids) work relatively quickly, while others (like lion's mane and cordyceps) build up over time with consistent use. If you're using focus gummies for immediate support, take them 30-45 minutes before you need to be locked in. If you're using them for long-term brain health, give it a few weeks to feel the full effects.

 

Are focus gummies safe to take daily?

For most people, yes—especially if they're made with clean, natural ingredients and dosed appropriately. Adaptogens, amino acids, nootropic mushrooms, and low-dose cannabinoids are generally well-tolerated with daily use. That said, it's always smart to cycle off occasionally (take weekends off, or use them only on work days) to avoid dependency or tolerance buildup. Listen to your body. If you notice diminishing effects or side effects, scale back. And if you're on medications or managing chronic health conditions, check with your healthcare provider first.

 

Will focus gummies help with studying, work, or creative projects?

Absolutely. Focus gummies shine in moments when you need sustained attention, mental clarity, and calm concentration. Whether you're studying for an exam, powering through a work deadline, designing something new, or diving into a passion project, they can help you drop into flow state and stay there longer. They're particularly helpful if you struggle with ADHD, brain fog, stress-induced distraction, or burnout. They won't do the work for you, but they can help your brain show up ready to do it.

 

Do I need to take focus gummies every day to notice a difference?

Not necessarily. Some people use them daily as part of their routine. Others use them only when needed—before big meetings, during intense work sprints, or when they're feeling particularly scattered. Certain ingredients (like lion's mane) work better with consistent use over time, while others (like L-theanine and cannabinoids) offer more immediate support. There's no one-size-fits-all approach. Experiment and find what works for your life and your brain.

 

What makes a good focus gummy different from a bad one?

Good focus gummies:

• Use science-backed ingredients at effective doses
• Provide transparent labeling (you can see exactly what's in them and how much)
• Are third-party tested for purity and potency
• Use clean, functional ingredients (no synthetic dyes, high-fructose corn syrup, or mystery fillers)
• Come from reputable brands with real customer reviews and visible values

Bad focus gummies:

• Hide behind proprietary blends (so you can't see individual doses)
• Use mega-doses of stimulants or unproven ingredients
• Make outlandish claims without evidence
• Skimp on testing, transparency, or quality control
• Prioritize marketing over formulation

 

Can I mix focus gummies with other wellness supplements?

Usually, yes—but check for overlap. If you're already taking a multivitamin, adding a focus gummy with more B vitamins probably won't hurt, but it's redundant. If you're using other adaptogens, nootropics, or cannabinoids, be mindful of total daily doses. Start slow, pay attention to how your body responds, and adjust as needed. When in doubt, consult with a healthcare provider—especially if you're on medications or managing chronic health conditions. The goal is to support your system, not overwhelm it.

 

Sources:

1. Glade MJ, Smith K. "Phosphatidylserine and the human brain." Nutrition. 2015;31(6):781-786. https://pubmed.ncbi.nlm.nih.gov/25933483/
2. Nobre AC, Rao A, Owen GN. "L-theanine, a natural constituent in tea, and its effect on mental state." Asia Pacific Journal of Clinical Nutrition. 2008;17 Suppl 1:167-168. https://pubmed.ncbi.nlm.nih.gov/18296328/
3. Mori K, Inatomi S, Ouchi K, Azumi Y, Tuchida T. "Improving effects of the mushroom Yamabushitake (Hericium erinaceus) on mild cognitive impairment: a double-blind placebo-controlled clinical trial." Phytotherapy Research. 2009;23(3):367-372. https://pubmed.ncbi.nlm.nih.gov/18844328/
4. Hirsch KR, Smith-Ryan AE, Roelofs EJ, Trexler ET, Mock MG. "Cordyceps militaris Improves Tolerance to High-Intensity Exercise After Acute and Chronic Supplementation." Journal of Dietary Supplements. 2017;14(1):42-53. https://pubmed.ncbi.nlm.nih.gov/27197115/
5. Dietz C, Dekker M. "Effect of Green Tea Phytochemicals on Mood and Cognition." Current Pharmaceutical Design. 2017;23(19):2876-2905. https://pubmed.ncbi.nlm.nih.gov/28056735/
6. Blessing EM, Steenkamp MM, Manzanares J, Marmar CR. "Cannabidiol as a Potential Treatment for Anxiety Disorders." Neurotherapeutics. 2015;12(4):825-836. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4604171/
7. Abioye A, Ayodele O, Marinkovic A, Patidar R, Akinwekomi A, Sanyaolu A. "Δ9-Tetrahydrocannabivarin (THCV): a commentary on potential therapeutic benefit for the management of obesity and diabetes." Journal of Cannabis Research. 2020;2(1):6. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8057214/
8. Hartman RL, Brown TL, Milavetz G, et al. "Controlled vaporized cannabis, with and without alcohol: subjective effects and oral fluid-blood cannabinoid relationships." Drug Testing and Analysis. 2016;8(7):690-701. https://pubmed.ncbi.nlm.nih.gov/26353953/
9. Owen GN, Parnell H, De Bruin EA, Rycroft JA. "The combined effects of L-theanine and caffeine on cognitive performance and mood." Nutritional Neuroscience. 2008;11(4):193-198. https://pubmed.ncbi.nlm.nih.gov/18681988/
10. Russo EB. "Taming THC: potential cannabis synergy and phytocannabinoid-terpenoid entourage effects." British Journal of Pharmacology. 2011;163(7):1344-1364. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3165946/

 

Ready to experience what real focus feels like? Explore Groove and other science-backed, clean formulas designed for clarity, creativity, and flow at Hey Mary Jane.