L-theanine and Hypertension - from FDA reports


Hypertension is reported only by a few people who take L-Theanine. We study 35 people who have side effects while taking L-theanine from FDA. Among them, 1 have Hypertension. Find out below who they are, when they have Hypertension and more.

What to expect?

If you take L-theanine and have Hypertension, find out what symptoms you could have in 1 year or longer.

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On Mar, 12, 2017

35 people reported to have side effects when taking L-theanine.
Among them, 1 person (2.86%) has Hypertension

Number of reports submitted per year:

Could L-theanine cause Hypertension?

Gender of people who have Hypertension when taking L-theanine *:

  • female: 100 %
  • male: 0.0 %

Age of people who have Hypertension when taking L-theanine *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 100 %

Top co-used drugs for these people *:

  • Selenium (1 person, 100.00%)
  • Grape Seed Extract (1 person, 100.00%)
  • Coq10 (1 person, 100.00%)
  • Boswellia Serrata (1 person, 100.00%)
  • Bilberry (1 person, 100.00%)

Top other side effects for these people *:

  • Stress And Anxiety (1 person, 100.00%)
  • Heart Rate Increased (1 person, 100.00%)
  • Heart Palpitations (1 person, 100.00%)
  • Drug Withdrawal Syndrome (1 person, 100.00%)
  • Breathing Difficulty (1 person, 100.00%)

* Approximation only. Some reports may have incomplete information.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Do you have Hypertension when taking L-theanine?


L-theanine has active ingredients of theanine. It is often used in stress and anxiety. (latest outcomes from L-theanine 110 users)


Hypertension (high blood pressure) has been reported by people with high blood pressure, osteoporosis, multiple sclerosis, rheumatoid arthritis, depression (latest reports from 493,893 Hypertension patients).

Browse all side effects of L-theanine

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Drugs that are associated with Hypertension


Could your condition cause Hypertension


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