9 Major Side Effects of Eating Too Much Thyme

Thyme (Thymus Vulgaris) is an evergreen shrub known for its medicinal and culinary uses. Thyme cultivation dates back to the Egyptian era, and it is native to the Mediterranean region and certain parts of Africa.

Thyme provides many health and beauty benefits as it contains essential nutrients such as vitamins, minerals, antioxidants, phytonutrients, and dietary fibers, etc.

However, there are some side effects of overeating thyme.

Side Effects of Eating Too Much Thyme

Some major side effects of eating too much thyme are as follows.

thyme side effects

(1) Irritates Mucous Membrane

Thyme promotes good health by protecting us from diseases causing microbes and microbial infections due to the presence of antimicrobial compounds such as thymol and carvacrol.

However, in some people, these compounds can irritate the mucous membrane and cause allergic reactions.

Avoid thyme if you are allergic to these compounds.

(2) Might Develop Allergic Reactions In Some Individuals

In some individuals, thyme may cause allergic reactions such as skin irritation, itching, skin redness, nausea, vomiting, and diarrhea.

Avoid thyme if you are allergic to it.

If you are allergic to basil, catmint, celery, rosemary, and oregano, you are more likely to be allergic to thyme.

Thymol and carvacrol in thyme irritate the mucous membrane in some individuals and cause allergic reactions.


(3) Might Cause Adverse Reaction to Thyroid

Individuals with thyroid disorders should avoid this variety of thyme as it may aggravate thyroid problems.

It may aggravate thyroid problems and should be avoided by people with thyroid disorders.


(4) Thyme And Pregnancy

Thyme contains essential compounds such as vitamins, minerals, antioxidants, phytonutrients, and dietary fibers, etc.

These compounds play an important role in maintaining a healthy pregnancy.

However, thyme is known to increase miscarriage risk because of its natural menstruation-inducing properties.

To ensure safety during pregnancy, consult your doctor before adding thyme to your diet during this crucial stage.

To stay safe, consult with your doctor before adding thyme to your diet during pregnancy.

(5) Can Interact With Certain Drugs

Thyme has a rich nutritious profile and provides many health benefits.

However, thyme is not suitable for people with thyroid disorders.

Avoid “Thymus Serpyllum”, a variety of thyme as it may aggravate thyroid disorders.

Thyme may interfere with thyroid medication and should be avoided by people with thyroid disorders.

Stop consuming thyme two weeks before surgery ás it contains thymol, a compound that absorbs “5-fluorouracil”, an element used in chemotherapy.

(6) Not So Good For Diabetic Patients

With a low glycemic index of 45, thyme reduces the rate at which sugar is released into the bloodstream and prevents a sudden spike in blood sugar levels.

This helps in managing diabetes.

Dietary fiber in thyme slows down the rate at which sugar is absorbed by the bloodstream and keeps blood sugar under control.

However, if you are already taking diabetic medication, consult your doctor before adding thyme to your routine as thyme may interact with diabetic medication.

Excessive intake of thyme may drop blood sugar below the healthy range and cause symptoms such as excessive hunger, excessive sweating, fatigue, nausea, vomiting, palpitation, and drowsiness, etc.


(7) Too Much Dietary Fiber Is Bad For Stomach

The laxative properties of dietary fibers in thyme improve bowel movement and relieve constipation.

It also provides relief from other digestive issues like abdominal pain, gas, bloating, and flatulence.

However, too much dietary fiber may cause malnutrition or poor absorption of nutrients from the food.

It can give rise to problems like indigestion, intestinal gas, intestinal blockage, and diarrhea.

(8) Too Many Antioxidants Are Bad For Our Health

Vitamin C, vitamin E, and other antioxidant compounds such as phytonutrients, and polyphenols, etc in thyme protect our cells from free radical damage and reduce the risk of various cancers such as colon cancer, abdominal cancer, pancreas cancer, and breast cancer, etc.

Free radicals are unstabilized ions that stabilize by stealing electrons from the nearby molecules, and doing so causes oxidative damage to them.

Antioxidants also provide other benefits such as boosting immunity, promoting detoxification, preventing premature aging, improving cardiovascular health, maintaining the health of vital organs like the liver and kidneys.

Despite these advantages, too many antioxidants are bad as in excessive quantity antioxidants may interact with the healthy cells ( not just free radicals) and damage them.

A study published in the Journal of Cancer Institute suggests Smokers who took beta-carotene supplements were more likely to develop lung cancer than another group.

As per a study by the Office of Dietary supplements, vitamin E overdose may increase the risk of hemorrhagic stroke and prostate cancer.


(9) May Cause Hypotension

Potassium in thyme (609mg per 100 grams) is a natural vasodilator that relaxes blood vessels, improves blood circulation, and provides relief from hypertension.

Hypertension is a silent killer that affects millions around the world and is a leading cause of cardiovascular and other health problems.

Despite the advantage, eat thyme in moderation as too much potassium may drop blood pressure below the healthy range and cause fatigue, lightheadedness, blurry vision, and depression, etc.

if you take blood pressure medication, eat thyme after consulting with your doctor to ensure there is no food-drug intolerance.


The information contained in the post is for general purpose only and shouldn’t be considered as medical advice or as an alternative to medical advice. Although I’ve tried my best to keep the information contained in this post as accurate and updated as possible, I make no guarantee of the accurateness of the same.

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