Posted by Yavor Yordanov
on October 16, 2026
Last updated: 2026-10
Feeling nervous before a big presentation is a normal stress response: your body releases adrenaline, your heart speeds up and your breathing gets faster, because it reads the moment as important [1]. The most useful things to do are to rehearse out loud, slow your breathing with long exhales, and tell yourself you are excited rather than trying to force yourself calm [2][3]. A short walk and a sensible amount of caffeine help you arrive at the room composed.
What happens in your body before you present?
It is 9:52. The board meeting starts at 10:00, your slides are open, and your hands are colder than the coffee you have not touched. Your mouth is dry. You check the first slide for the fourth time.
None of this is a sign that you are bad at presenting. It is the acute stress response doing its job. When your brain flags a situation as important, the sympathetic nervous system activates the adrenal glands, which release adrenaline and noradrenaline into the blood. Heart rate and blood pressure rise, breathing gets quicker, and the liver releases glucose for fuel. A second, slower system, the HPA axis, raises cortisol [1].
The same response helps a sprinter off the blocks. In a meeting room you have to stand still and speak in full sentences while your body prepares to run, so the goal is to steer that energy.
Should you try to calm down or get excited?
Most people tell themselves to calm down. The research suggests a different instruction works better.
Alison Wood Brooks at Harvard Business School tested it across karaoke, public speaking and maths tasks [2]. Before a public speech, some participants said out loud "I am excited", others "I am calm". The people who reframed their nerves as excitement felt more excited and performed better than those who tried to calm down. Brooks's explanation is that anxiety and excitement are both high arousal states. Moving from one to the other is a small step. Moving from a racing heart to calm is a big one, and you rarely manage it in the eight minutes before you speak.
An earlier, smaller study by Jeremy Jamieson and colleagues found the same pattern with exams [3]. Students preparing for the GRE read a short note explaining that arousal during a test does not hurt performance and can even help. Compared with students who did not get the note, they scored higher on the maths section of a practice test, and when the researchers later looked at their real GRE results, the reappraisal group averaged 770 on maths against 706 for the control group [3]. The verbal scores did not change.
In practice, this sounds simple and feels slightly odd the first time. When you notice your pulse, say to yourself, quietly or in your head, "I am excited, this matters to me." You are not denying the nerves. You are giving them a more useful name.
How do you calm your nerves with breathing?
Breathing is the one part of the stress response you can steer directly. The technique with the best recent evidence is cyclic sighing: a double inhale through the nose, the second one shorter to top up the lungs, followed by a long, slow exhale through the mouth.
In a remote study at Stanford, 108 participants spent five minutes a day for 28 days on one of three breathing practices or on mindfulness meditation [4]. Cyclic sighing produced the largest improvement in positive mood and lowered resting breathing rate more than meditation did [4]. That study looked at a daily practice, so before a presentation use it as a short reset: two or three minutes somewhere quiet.
We cover breathing for stressful days in more depth in how to stay calm on a stressful day. Here the point is timing. Do it in the last ten minutes, not the last ten seconds, and stop before you walk in so you are not visibly sighing at the lectern.
How much does rehearsal help with public speaking nerves?
More than any trick you use on the day. Much of the fear is uncertainty: the opening, losing the thread, the question you cannot answer. Rehearsal removes most of it before it reaches your body.
A few habits make rehearsal count:
- Say it out loud, standing up, at the speed you will actually use. Reading slides in your head feels like practice and is not.
- Learn the first two minutes almost word for word. Nerves peak at the start, and a familiar opening carries you past them.
- Practise in front of one colleague, or record yourself on your phone. A listener changes how it feels, and that is the point.
- Write down the three hardest questions you could get and answer them aloud. The surprise question is what most people fear.
Is coffee a good idea before a presentation?
A moderate amount usually is. A large amount can work against you. In a 2024 meta-analysis of caffeine and anxiety in healthy people, the link between caffeine intake and anxiety was clearest at doses above 400 mg [5]. The European Food Safety Authority considers single doses of up to 200 mg safe for healthy adults [6].
If your heart is already racing, a double espresso on top of adrenaline can make your hands shakier and your voice faster. Keep to your usual cup, do not add a second one because you are nervous, and drink water as well, since a dry mouth is one of the most noticeable signs of nerves. Why a small dose of caffeine paired with L-theanine feels different from a strong coffee is explained in focus without jitters.
Does a short walk before a meeting help?
It does, and it is easy to fit in. A meta-analysis of randomized trials by Ensari and colleagues found that a single bout of exercise produces a small reduction in state anxiety, the anxiety you feel in the moment [7]. Ten minutes around the block, or up and down the stairs, gives the adrenaline somewhere to go and stops you rereading your slides.
A 60 minute plan before you present
| When | What to do | Why |
|---|---|---|
| 60 min before | Run the opening two minutes aloud, standing | Nerves peak at the start, and a rehearsed opening carries you through |
| 45 min before | Your usual coffee, not a second one, plus a glass of water | Higher caffeine doses are linked to more anxiety [5] |
| 30 min before | Ten minute walk or the stairs | A single bout of exercise slightly lowers in-the-moment anxiety [7] |
| 15 min before | One ANXIETY strip | A formula built for stressful moments, with no water and nothing to swallow |
| 10 min before | Two to three minutes of cyclic sighing | Long exhales slow your breathing rate [4] |
| At the door | Say "I am excited" | Reframing nerves as excitement improved performance in studies [2][3] |
Where ANXIETY fits in
Smart Strips ANXIETY is our formula for stressful moments, and the moment before you stand up to present is exactly the one it was made for. Each oral dissolvable strip contains 20 mg L-theanine, 20 mg GABA and 10 mg saffron extract (Crocus sativus), with a natural watermelon and lime flavor.
The format suits the situation. You place the strip on your tongue, press it gently against the roof of your mouth, and it dissolves in 7 to 30 seconds. No water, no capsule to swallow in a corridor, nothing anyone in the room will notice. Every Smart Strips formula uses our QuickRelease™ film, and the format delivers up to 95% bioavailability, up to 4x faster absorption and up to 30% higher effectiveness than a swallowed tablet, capsule or powder. How that works is explained on our science page and in what oral dissolvable strips are.
If the presentation is the last item on a long, tense day, the Day & Night Reset set pairs ANXIETY for the daytime with Z-z-Zen for the evening, so the day can end properly. ANXIETY belongs to the only oral strip range that covers the whole day: training, recovery, focus, stress, sleep, immunity, longevity, beauty, the morning after a night out and intimacy. See the full range.
How Smart Strips are made
Smart Strips are made in the USA, in an FDA registered, cGMP certified facility certified to NSF/ANSI 455-2. Every formula is tested by independent ISO 17025 accredited laboratories for identity, purity and content.
When is it more than normal nerves?
Nerves before a big presentation are common and usually fade once you are a few minutes in. Social anxiety disorder is different. It involves intense, persistent fear of being judged or embarrassed that leads people to avoid ordinary situations such as speaking up in meetings, meeting new people or eating in front of others, and it can disrupt work and relationships [8]. Physical signs can include blushing, a racing heart, trembling, sweating, nausea and a mind that goes blank [8].
If you find yourself turning down opportunities, calling in sick on presentation days or dreading meetings for weeks in advance, talk to your doctor or a mental health professional. Effective help exists [8]. If you are pregnant or breastfeeding, take medication or have a medical condition, check with your doctor before using any food supplement.
FAQ
How do I calm my nerves right before a presentation? Spend two or three minutes on slow breathing with long exhales, take a short walk if you have time, drink some water and tell yourself you are excited rather than trying to force calm. Rehearsing the opening aloud beforehand removes much of the tension.
Why do I get so nervous before presentations? Your brain reads the presentation as important and triggers the stress response: adrenaline rises, your heart beats faster and your breathing quickens. It is a normal reaction, and it usually settles a few minutes after you start.
Is it better to tell myself to calm down or to get excited? In studies by Brooks and by Jamieson and colleagues, people who reframed their nerves as excitement performed better than those who tried to calm down. Anxiety and excitement are both high energy states, so switching between them is easier.
Should I drink coffee before a big meeting? Keep to your usual amount. Research links higher caffeine doses, above 400 mg, more clearly with anxiety, and extra caffeine on top of adrenaline can make your hands shakier.
What is in the ANXIETY strip? Each strip contains 20 mg L-theanine, 20 mg GABA and 10 mg saffron extract, with a natural watermelon and lime flavor. It dissolves on the tongue in 7 to 30 seconds, with no water.
When should I see a doctor about presentation nerves? If the fear makes you avoid meetings or opportunities, lasts for weeks before an event or affects your work and relationships, talk to your doctor or a mental health professional.
Sources
- Chu B, Marwaha K, Ayers D. Physiology, Stress Reaction. StatPearls. Treasure Island (FL): StatPearls Publishing; 2022. statpearls.com/ArticleLibrary/viewarticle/41471
- Brooks AW. Get excited: reappraising pre-performance anxiety as excitement. Journal of Experimental Psychology: General. 2014;143(3):1144-1158. doi.org/10.1037/a0035325
- Jamieson JP, Mendes WB, Blackstock E, Schmader T. Turning the knots in your stomach into bows: reappraising arousal improves performance on the GRE. Journal of Experimental Social Psychology. 2010;46(1):208-212. doi.org/10.1016/j.jesp.2009.08.015
- Yilmaz Balban MY, Neri E, Kogon MM, Weed L, Nouriani B, Jo B, Holl G, Zeitzer JM, Spiegel D, Huberman AD. Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine. 2023;4(1):100895. doi.org/10.1016/j.xcrm.2022.100895
- Liu C, Wang L, Zhang C, Hu Z, Tang J, Xue J, Lu W. Caffeine intake and anxiety: a meta-analysis. Frontiers in Psychology. 2024;15:1270246. doi.org/10.3389/fpsyg.2024.1270246
- EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific Opinion on the safety of caffeine. EFSA Journal. 2015;13(5):4102. doi.org/10.2903/j.efsa.2015.4102
- Ensari I, Greenlee TA, Motl RW, Petruzzello SJ. Meta-analysis of acute exercise effects on state anxiety: an update of randomized controlled trials over the past 25 years. Depression and Anxiety. 2015;32(8):624-634. doi.org/10.1002/da.22370
- Mayo Clinic. Social anxiety disorder (social phobia): symptoms and causes. mayoclinic.org/diseases-conditions/social-anxiety-disorder
