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L-Theanine 400 mg (High Dose) — SacredBod supplement bottle (illustrative)
Supplement · Amino Acid & Calm

L-Theanine 400 mg (High Dose)

400 mg · vegan · gluten-free · 60 caps

anxietystressrestless-sleep brainadrenal gland
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What it is

L-Theanine 400 mg (High Dose) is a amino acid & calm supplement. High-dose L-theanine, the calming amino acid from green tea, supports relaxation without drowsiness. Used in adult dosing protocols in India and internationally, it is sold as a single-ingredient supplement.

How it works

Theanine raises alpha brain-wave activity and modulates GABA, glutamate and dopamine, producing relaxed alertness and easing sleep onset without sedation. Effects are dose-dependent and typically measurable within acute 30-60 min.

Who should take it

Adults with situational anxiety, racing thoughts at bedtime, or wanting calm focus.

Avoid / careful

Very safe. May mildly lower blood pressure. Pairs well with caffeine for smooth focus.

When to take it

Morning
Noon
Evening
Night

How to take it

With food
Empty stomach
Before food

Flexible — works in any of the above.

FAQs

Frequently asked

Can L-Theanine 400 mg be taken at night?
Yes, it can be taken at night to help ease sleep onset without causing grogginess the next day.
How quickly do the effects of L-Theanine 400 mg manifest?
Effects are typically noticeable within 30-60 minutes of ingestion, as the dose-dependent action begins.
Is L-Theanine 400 mg addictive?
No, L-Theanine is not known to be habit-forming or addictive.

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Editorial notes

SacredBod's longer take on L-Theanine 400 mg (High Dose) — context the structured blocks above don't capture.

About L-Theanine 400 mg (High Dose)

High-dose L-theanine for alpha-wave calm without sedation, day or night..

How it works

Theanine raises alpha brain-wave activity and modulates GABA, glutamate and dopamine, producing relaxed alertness and easing sleep onset without sedation. Effects are dose-dependent and typically measurable within acute 30-60 min.

Who it’s for

Adults with situational anxiety, racing thoughts at bedtime, or wanting calm focus.

Dosage & timing

  • Typical dose: 400 mg
  • Best time: evening
  • With food: flexible
  • Expected onset: Acute 30-60 min.

Safety

Very safe. May mildly lower blood pressure. Pairs well with caffeine for smooth focus.

Added to your stack.