Theanine

Description

Theanine is a unique amino acid that is a derivative of glutamic acid and is most prominently found in green and black tea leaves. Unlike other amino acids, L-Theanine is not commonly incorporated into proteins. Its primary mechanism involves crossing the blood-brain barrier to influence brain activity, particularly by increasing alpha brain wave activity, which is associated with a state of 'wakeful relaxation'. By modulating neurotransmitters such as GABA, dopamine, and serotonin, Theanine helps to reduce feelings of stress and anxiety while improving focus and concentration. This leads to a state of calm alertness, making it a popular supplement for those seeking to enhance cognitive performance and manage daily stressors without the sedative effects often associated with other relaxation aids. Often consumed in tea or as a dietary supplement, Theanine is also valued for its potential to improve sleep quality by promoting relaxation before bedtime. It is generally well-tolerated with a low incidence of side effects, making it a safe choice for many individuals looking to support mental well-being and cognitive function.

Sources

Green tea (Camellia sinensis)Black tea (Camellia sinensis)Some mushrooms (e.g., Bay Bolete)

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Optimal Dosage

Minimum100 mg

Maximum400 mg

Safety & Toxicity

Goals

Cognitive Support

Cognitive Support

Typical dose:100–400 mg

Found in green tea, L-Theanine is an amino acid that modulates neurotransmitters like GABA and dopamine. It is highly effective at taking the 'edge' off stimulants like caffeine, resulting in smooth, focused energy and reduced anxiety.

Typical dose:100–400 mg

Found primarily in green tea, L-Theanine modulates neurotransmitters like dopamine and GABA. It provides a non-drowsy relaxation effect that can mitigate the jitteriness of caffeine, leading to a synergistic improvement in smooth, sustained mental focus.

Productivity Boost

Productivity Boost

Typical dose:100–400 mg

L-Theanine is an amino acid that can cross the blood-brain barrier and increase alpha brain wave activity, which is associated with a state of 'relaxed wakefulness'. It can modulate neurotransmitters like GABA and dopamine, improving focus and attention without sedation.

Typical dose:100–400 mg

L-Theanine, an amino acid found in green tea, is known for its ability to induce a state of 'calm alertness' by increasing alpha brain wave activity. It helps quiet a racing mind and reduces stress, addressing common barriers to falling asleep. It does not act as a sedative but rather facilitates the transition into sleep.

Typical dose:100–400 mg

This amino acid, commonly found in green tea, can cross the blood-brain barrier and influence neurotransmitter levels. It enhances GABA, serotonin, and dopamine, leading to a quick-acting reduction in mental and physical stress while improving focus.

Interactions

Positive Interactions

Enhances cognitive benefits (focus, attention) and mitigates potential side effects of caffeine like jitters and anxiety, promoting 'calm alertness'.

May synergistically support relaxation and neurological function.

Theanine can influence GABA levels in the brain, potentially enhancing its calming and anxiolytic effects.

Both are adaptogens known for stress reduction; combining them may have synergistic effects on promoting relaxation and mental well-being.

By promoting relaxation, Theanine may indirectly support the sleep-inducing effects of melatonin.

Negative Interactions

May lead to an additive mild hypotensive effect, particularly in individuals prone to low blood pressure, as both can mildly lower blood pressure.

May increase sedative effects and potentially an additive mild blood pressure-lowering effect if taken together, especially in sensitive individuals.

Product stats

Price per product

Average$22.31

Median$19.97

Price per serving

Average$0.57

Median$0.54

Price per 100 mg

Average$0.62

Median$0.52

Price distribution

Price per serving distribution

Price per 100 mg

Reference amount: 100 mg

Forms

Paired ingredients

Include multi(109)