L‑Theanine
L‑Theanine explained
L‑Theanine is an amino acid from tea leaves used to promote calm focus without drowsiness; often paired with caffeine for smoother alertness.
Not FDA ApprovedL‑Theanine helps treat
• Occasional stress and anxious feelings (may support)
• Calm focus/attention
• Sleep quality (adjunct)
• Caffeine jitters (paired with caffeine)
additional medications
• Mindfulness/CBT for anxiety
• Magnesium glycinate at night
• Glycine or melatonin for sleep support
medication risks
• Additive sedation with CNS depressants (theoretical)
• Unknown effects in pregnancy/lactation—avoid unless advised
side effects
• Drowsiness (rare)
• Headache
• GI upset
FAQs
Q: Does L‑theanine make you sleepy?A: Usually promotes calm without sedation; some notice easier sleep onset.
Q: Can I take it with coffee?
A: Commonly paired to smooth jitteriness; start low and assess response.
Q: Is it FDA‑approved?
A: No—dietary supplements aren’t FDA‑approved for disease treatment.
Q: Any drug interactions?
A: May add to effects of sedatives; discuss if you use psychoactive meds.
Q: Typical timing?
A: 30–60 minutes before focus tasks or bedtime if used for sleep.
