睡眠与放松证据薄弱

L-theanine

别名: theanine

L-theanine is an amino acid from green tea that supports relaxed alertness without sedation. It is often combined with caffeine.

用途

Focus when combined with caffeine – moderate evidence
Reducing stress and tension – weak evidence
Sleep quality – weak evidence

剂型及区别

L-theanine

pure form, usually 100–200 mg per capsule

patented forms

pure L-isomer; effect similar to standard L-theanine

何时服用

In stressful situations, in the morning with coffee or in the evening before bed.

适合搭配

Works well with caffeine, magnesium and glycine.

不宜同服 / 需错开

Use caution with sedatives and blood pressure medicines – it may add to their effect.

注意事项

Not recommended in pregnancy or breastfeeding due to lack of data. If you have low blood pressure, liver or kidney disease or take medicines, consult your doctor.

安全性

Generally well tolerated at usual doses. Do not exceed the label dose.

实用建议

If coffee makes you jittery, try it with 100–200 mg of L-theanine – the effect is smoother.

含 L-theanine 的产品 13

GABA + L-theanineliposomal睡眠压力情绪专注

GABA + Taurine + L-theanine 500 mgchewable · 500 mg / 片睡眠压力情绪心血管

L-theanine + Lemon balmextract压力专注睡眠情绪

L-theanine + Inositolfree form压力专注睡眠情绪

L-theanine 100 mgfree form · 100 mg / 粒压力专注睡眠情绪

L-theanine 200 mgfree form (Suntheanine) · 200 mg / 粒压力专注睡眠情绪

L-theanine + Inositol 200 mgfree form · 200 mg / 粒压力专注睡眠情绪

L-theaninefree form压力专注睡眠情绪

L-theanine green tea extract 40 % 100 mggreen tea extract 40 % · 100 mg / 粒压力专注睡眠情绪

L-theanine 100 mg100 mg / 粒压力专注睡眠情绪

L-theanine 200 mg200 mg / 粒压力专注睡眠情绪

Caffeine + L-theaninenatural caffeine精力专注耐力体重与饱腹

Magnesium + Glycine + L-theaninepowder睡眠压力肌肉电解质

如何理解证据评级

证据充分证据中等证据薄弱无证据

充分 = 多项高质量人体研究或官方推荐；中等 = 有前景但研究规模较小；薄弱 = 研究少或结果不一；无证据 = 说法未被证实。

搭配检查

选择您服用的补充剂及药物（如有），我们会显示哪些相互干扰、哪些需要错开时间、需要注意什么。

检查 L-theanine 与其他的搭配

您真正需要哪些补充剂？

Fénix Methode 根据您的血检结果挑选并安排服用时间——不再白花钱。

了解 Fénix Methode

用途