L-theanine and Hypertension - from FDA reports


Hypertension is reported only by a few people who take L-Theanine. We study 48 people who have side effects while taking L-theanine from FDA. Among them, 3 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 Oct, 23, 2017

48 people reported to have side effects when taking L-theanine.
Among them, 3 people (6.25%) have 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: 50 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 50 %

Top conditions involved for these people *:

  • Narcolepsy (1 person, 33.33%)
  • Cataplexy (1 person, 33.33%)

Top co-used drugs for these people *:

  • Zyrtec (1 person, 33.33%)
  • Vitamin D3 (1 person, 33.33%)
  • Coq10 (1 person, 33.33%)
  • Bilberry (1 person, 33.33%)
  • Armour Thyroid (1 person, 33.33%)

Top other side effects for these people *:

  • Heart Rate Increased (2 people, 66.67%)
  • Heart Palpitations (2 people, 66.67%)
  • Headache (2 people, 66.67%)
  • Nausea (1 person, 33.33%)
  • Chest Pain (1 person, 33.33%)

* Approximation only. Some reports may have incomplete information.

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Do you have Hypertension when taking L-theanine?

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Hypertension and drugs with ingredients of theanine.

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Hypertension and L-theanine from FDA and eHealthMe reports


L-theanine has active ingredients of theanine. It is often used in stress and anxiety. (latest outcomes from L-theanine 133 users)


Hypertension (high blood pressure) has been reported by people with high blood pressure, osteoporosis, rheumatoid arthritis, multiple sclerosis, depression (latest reports from 541,344 Hypertension patients).

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Drugs that are associated with Hypertension


Could your condition cause Hypertension


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What would happen?

Forecast new side effects and undetected conditions when you take L-theanine and have Hypertension.

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