Theanine vasoconstriction and see if that leads anywhere. Caffeine vasodilates and vasoconstricts.
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Headaches have been reported by people taking l theanine but there are no studies indicating that l theanine is the cause for the headaches.
Can l theanine cause headaches. Sadly the same medicine you reach for to stop migraine pain may be driving your serotonin levels down even further. Analgesic drugs like over the counter acetaminophen or prescription narcotics might help in the short term. Headaches associated with l theanine tend to be mild and may be associated with headaches experienced with excess glutamate.
But they also deplete serotonin. The headaches stemming from l theanine may be related to its complex effect on nitric oxide which is known to cause headaches. Headaches generally are caused from the constriction.
Dosing caffeine and l theanine. I dont know what l theanine has to do with this but try to google pubmed. Overuse of these drugs can also cause rebound headaches.
While increased relaxation is nice some individuals may note reduced overall energy as a result. Most theanine and caffeine pills are available in 100 mg doses so that would mean taking one 100 mg caffeine pill generally the same amount of caffeine in a cup of coffee and two 100 mg theanine pills. However the combination of l theanine and caffeine reduced the headaches.
But this is not always the case so be sure to check all and any labels. To help prevent experiencing headaches when taking an l theanine supplement we recommend using the minimum active dose the lowest dose at which you still feel effects. You also may just be mistaking some of the subjective effects of l theanine for migraine aura.
Taking l theanine may promote increased physical and mental relaxation. If you really need to use a higher l theanine dosage we recommend taking theanine with caffeine. My two cents would be that i doubt that l theanine would cause a migraine but could possibly be having some kind of synergistic effect with caffeine which could trigger migraines for some people.
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