L-Theanine — Calm Focus & Relaxation
33 products · 28 in stock · €5.15–€27.20 · from €0.03/serving · Estonia 1–3 business days, free from €50.00
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All products in L-Theanine — Calm Focus & Relaxation (33)
- BIOTECHUSA Ashwagandha - 60 Capsules€13.13
- BIOTECHUSA Melatonin - 90 Tablets€11.45
- BIOTECHUSA Neuro - 60 Capsules€18.80
- BIOTECHUSA Night - 60 Capsules€20.90
- ICONFIT Melatonin Capsules - 90 Count€8.30
- MST Ashwagandha KSM66 60caps€17.75
- MST Taurine 120caps€16.70
- NOW Ashwagandha 450mg 90 Veg Caps€19.85
- NOW GABA 500mg 200 veg. caps.€27.20
- NOW GABA 750 mg - 100 Veg Capsules€20.90
- NOW Melatonin 1mg Complex 100tabs€12.50
- NOW Taurine 500mg 100 veg caps€13.55
- Olimp Ashwagandha 600 Sport 60caps€13.55
- OstroVit Ashwagandha VEGE 200tabs€11.45
- OstroVit Braintus Respawn 90 Caps€15.65
- OstroVit GH Booster Extreme 90caps€13.55
- OstroVit Hop Strobile VEGE 90caps€8.30
- OstroVit Inositol 200 g – Natural€17.75
- OstroVit Inositol Plus 120caps€13.55
- OstroVit Keep Sleep Melatonin 60 tablets€5.15
- OstroVit KSM-66 Ashwagandha VEGE 120caps€15.65
- OstroVit L-Theanine + L-Tyrosine VEGE 90 capsules€12.50
- OstroVit L-Theanine 90 caps€9.35
- OstroVit Lemon Balm VEGE 90caps€8.30
- OstroVit Taurine 300g€9.35
- OstroVit Taurine 1500mg 120caps€10.40
- OstroVit Tryptophan 200g€13.55
- OstroVit Tryptophan VEGE 90 caps€9.35
- ICONFIT Ashwagandha Capsules - 90 CountOut of stock
- ICONFIT Good Sleep - 90 CapsulesOut of stock
- MST Myo-Inositol 90capsOut of stock
- NOW Inositol 500 mg - 100 CapsulesOut of stock
- OstroVit Keep Sleep - Melatonin 100 TabletsOut of stock
Useful Articles
What is L-theanine and how does it calm without causing drowsiness?
L-theanine is an amino acid found primarily in tea leaves (especially green tea) that promotes relaxation without causing drowsiness. L-theanine increases alpha brain wave activity, which is associated with calm yet sharp focus. This makes L-theanine ideal for both stress relief and mental productivity support, especially when combined with caffeine.
Frequently asked questions about L-theanine
L-theanine and caffeine are one of the most studied nootropic combinations. L-theanine smooths out caffeine's sharp side effects — anxiety and jitteriness — while maintaining its stimulating and focus-enhancing effects. A typical ratio is 2:1 (200 mg L-theanine + 100 mg caffeine). The result is calm, focused energy without the caffeine "crash."
L-theanine is not a sleeping pill but helps with falling asleep by reducing anxiety and calming the mind before bed. Taking 200-400 mg of L-theanine 30-60 minutes before bedtime improves sleep quality by promoting deeper sleep. Unlike melatonin, L-theanine does not cause morning grogginess or dependence.
A typical dose is 100-400 mg per day. For stress relief, 200 mg is sufficient; for sleep support, 200-400 mg before bed. When combined with caffeine, 100-200 mg of L-theanine is typically used. Effects begin within 30-60 minutes and last 4-6 hours. L-theanine is available in capsule and powder forms.
L-theanine is very well-tolerated, and side effects are extremely rare. At high doses (over 400 mg), some people may experience mild headache or digestive discomfort. L-theanine does not cause dependence or tolerance. Pregnant and breastfeeding women, and those on blood pressure medications, should consult a doctor.
Yes, L-theanine is safe for long-term daily use. This is evidenced by the fact that millions of people consume it daily through green tea. Unlike many sedatives, L-theanine does not cause tolerance, dependence, or withdrawal symptoms. Long-term use may even enhance the brain's neuroprotective defenses.