何时服用
Morning or 30–60 minutes before a demanding task, on an empty stomach or with a light meal.
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氨基酸证据薄弱
L-tyrosine
别名: tyrosine
Tyrosine is an amino acid the body uses to make dopamine, noradrenaline and thyroid hormones. It is studied mainly for sustaining mental performance under stress.
用途
- Maintaining working memory and attention under acute stress, cold or sleep loss – weak to moderate evidence
- Improved focus without stress – weak evidence
剂型及区别
L-tyrosine
standard form in capsules and powder
N-acetyl-L-tyrosine (NALT)
more soluble but converts to tyrosine less efficiently
适合搭配
Moderate caffeine, vitamin B6.
不宜同服 / 需错开
Avoid in the evening; it may disturb sleep onset.
注意事项
Caution with hyperthyroidism, thyroid medication, antidepressants (especially MAOIs), Parkinson's medication and migraine. Consult your doctor or pharmacist if you are pregnant, breastfeeding, have kidney or liver disease or take any medicines.
安全性
Do not exceed the label dose.
实用建议
Keep tyrosine for unusually demanding days – there is no reason for daily use.
含 L-tyrosine 的产品 4
L-tyrosine free form 1000 mgfree form · 1 000 mg / 份
L-tyrosine 500 mgfree form · 500 mg / 粒
L-tyrosine 750 mg750 mg / 粒
L-tyrosine 350 mgN-acetyl-L-tyrosine · 350 mg / 粒
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。
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。
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重要提示
以上信息仅供科普，不能替代医生或药师建议，我们不提供药物剂量。补充剂不能替代均衡饮食；孕期、哺乳期、患病或服药者请先咨询医生。