⚡
Caffeine boosts performance
Meta-analyses show acute caffeine can improve strength, jump outcomes and sport-specific skills.1, 2
Fresherz Strips
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🔬 Studied by
- Clinical Pharmacology (PMC5790855)
- University of Adelaide — Dr. Ian Musgrave
- American Dietary Supplements Review
- Harvard T.H. Chan School of Public Health
Sources referenced for educational context.
Let customers speak for us
No more coffee jitters or stains
Coffee gave me jitters, stains, and a mid-morning crash; one Fresherz strip is a clean, measured lift with smooth focus and no spill
Richard
Fresherz Energy Strips
No more coffee jitters or stains
Coffee gave me jitters, stains, and a mid-morning crash; one Fresherz strip is a clean, measured lift with smooth focus and no spill
Richard
Fresherz Energy Strips
Swapped my pre-workout for this
Pre-workout was messy and kept me wired at night; Fresherz melts fast, sits easy on my stomach, and gives a steady pre-gym boost
Sander R.
Fresherz Energy Strips
⚡ Why Fresherz Strips Win
Feature
Fresherz Strips
Coffee
Pre-Workout
Energy Drink
On-the-go
✓Pocket-ready, no liquid
~Cup needed
✕Shaker + water
✕Carry a can
Kick-in speed
✓Sublingual, feels fast*
~Moderate
~Fast but heavy
~Moderate
Sugar / kcal
✓Sugar-free • 0–5 kcal
~0–60 kcal
✓Mostly sugar-free
✕Often high sugar
Dose control
✓Fixed per strip
~Varies per brew
✕Often very high
~Varies by can
Shop Fresherz Strips
Pocket-size energy. No shaker. No spill.
*Perceived speed varies by person/ingredients. Ranges are typical and may vary by brand.
🚀 Backed by Science, Built for Performance
- 🧠 Fast absorption: Sublingual caffeine strips kick in within 5–15 minutes, much faster than capsules.
— Clinical Pharmacology Study (PMC5790855) - ⚡ Enhanced alertness: Even low doses of caffeine can significantly boost mental performance.
— Dr. Ian Musgrave, University of Adelaide - 📈 Bioavailability: Oral strips provide rapid delivery without water or digestion delay.
— American Dietary Supplements Review - ✅ Safe & trusted: Up to 400mg/day is safe and supports focus, mood & stamina.
— Harvard T.H. Chan School of Public Health
“Small amounts of caffeine can increase your mental awareness — ideal for students, night workers, and drivers.”
— Dr. Ian Musgrave, University of Adelaide
Backed by science
Built for performance. Instant Energy, Anytime.
Fresherz combines caffeine for alertness with L-theanine for smooth, focused energy—supported by peer-reviewed research.
VeganSugar-FreeLab-Tested
⚡
Sharper focus & processing
Low-to-moderate caffeine enhances attention, accuracy and speed in sports contexts.3
⚡
L-theanine tempers stress
Randomized trials report reduced stress responses and support for mental well-being with L-theanine.4, 5
⚡
Smarter together
Caffeine + L-theanine can improve attention versus caffeine alone in controlled studies.6
⚡
Observational mood link
Higher coffee/caffeine intake is associated with a lower risk of depression (association ≠ causation).7
References
- Ferreira et al., 2021 — caffeine & muscle strength/endurance (systematic review/meta-analysis).
- Gómez-Bruton et al., 2021 — acute caffeine improves team-sport skills in women (meta-analysis).
- Calvo et al., 2021 — caffeine & cognition in sports (systematic review/meta-analysis).
- Kimura et al., 2007 — L-theanine reduces physiological stress responses (RCT).
- Hidese et al., 2019 — L-theanine for stress-related symptoms & cognition (randomized, placebo-controlled).
- Owen et al., 2008 — caffeine + L-theanine enhances attention vs caffeine alone (double-blind crossover).
- Wang et al., 2016 — coffee/caffeine intake & depression risk (dose-response meta-analysis; observational).
Not medical advice. Individual responses vary. Not for children, pregnant or breastfeeding individuals, or those sensitive to caffeine.
Small strip, big focus
Clean energy without the crash. Vegan • Sugar-Free. Bundle & save, plus free U.S. shipping on orders of $50 and up.