L-theanine for calm, focused alertness, stress reduction, and improved sleep quality without sedation.
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L-theanine is the amino acid responsible for the calm, clear-headed alertness that distinguishes green tea from coffee despite having similar caffeine content. It modulates glutamate and GABA receptor activity and increases alpha-wave brain activity, the pattern associated with relaxed but attentive focus. Unlike benzodiazepines or sedating antihistamines, it does not cause drowsiness, impair coordination, or create dependence.
At 200 mg, the dose in this product, theanine produces a clinically detectable increase in alpha-wave brain activity within 30–45 minutes of ingestion. The subjective experience most people describe is not sedation but rather a reduction in the friction of anxiety: the background noise that makes concentration harder. Paired with caffeine at a roughly 2:1 theanine:caffeine ratio, it is one of the most consistently validated cognitive support combinations in the human performance literature.
Jarrow Theanine 200 by Jarrow Formulas is formulated with L-theanine, the primary amino acid in green tea leaves. The specific dose, form, and serving size are shown on the supplement facts panel, these are the details that matter most when comparing products in this category, and they vary widely even between products with the same ingredient name.
Jarrow Formulas products are manufactured in GMP-certified facilities and undergo third-party identity and purity testing. The brand has operated since 1977 with a consistent focus on research-driven formulations. Supplements Kenya sources authentic, sealed Jarrow Formulas product with batch traceability and delivers across Nairobi, Mombasa, and the rest of Kenya. Consistent daily use at the label dose, sustained over weeks rather than days, is how this product works best.
The active ingredients in Jarrow Theanine 200 are listed on the supplement facts panel on the label. These are the compounds studied for this product's health benefits.
You can order Jarrow Theanine 200 directly from Supplements Kenya at KES 4,995.00 with delivery to Nairobi, Mombasa, and across the country. We stock only authentic, sealed inventory imported directly from the brand.
Jarrow Theanine 200 is formulated for adult use and is suitable for most healthy individuals looking to supplement this specific nutrient category. People with chronic conditions, those who are pregnant or breastfeeding, and anyone on regular prescription medication should check with their healthcare provider before starting.
Jarrow Theanine 200 is generally compatible with a standard daily supplement routine. If you take prescription medications, check with your pharmacist before adding any new supplement — a small number of nutrients interact with common drugs such as blood thinners and thyroid medication.
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