L-theanine For Weight Loss: Does It Work?

Written by Patrick Alan
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L-theanine For Weight Loss

Every day, millions of people struggle to maintain their desired perfect figure. Stress, anxiety, and a multitude of other factors can hinder our ability to relax and focus on how to lose weight. Fortunately, nature offers a potential solution:

L-theanine. Have you ever heard of this natural substance that turns the promise of a desired weight into a tangible reality? If not, be prepared to.

This amino acid is a natural stress reliever and mood booster. It also helps improve mental alertness, concentration, and focus. L-theanine may also help suppress appetite by increasing serotonin levels, which reduces the desire to eat while promoting a positive mood. By promoting a feeling of fullness, it can help reduce calorie intake and promote weight loss.

L-theanine is also known to increase the body’s rate of thermogenesis, which is the body’s production of heat. This increase in metabolic rate can lead to increased calorie burning and promote weight loss. L-theanine is a common ingredient in many commercial weight loss supplements and diet pills today.

What is L-theanine?

L-theanine is an amino acid found in green tea leaves and other non-caffeinated teas that have been shown to have weight loss benefits.

How does L-theanine help with weight loss

The study published by researchers at the University of Mississippi Medical Center found that participants who took 200 mg of L-theanine daily for 6 weeks (in addition to dieting) lost more weight and experienced greater declines in body mass index, hip circumference, and waist circumference than participant who did not take this amino acid

Other names for L-theanine are

  • L-theanine
  • Suntheanin
  • Vitamin u
  • Theaflavin 90
  • Box
  • N-ethylmaleimide

How does L-theanine help with weight loss?

The benefits of L-theanine for weight loss are likely the results of several mechanisms, including its ability to reduce stress and anxiety while promoting a sense of relaxation.

Studies show that people with high levels of stress tend to consume more food than people with lower levels.

This is because eating can be an effective way for stressed people to cope with their emotions. This compound acts on the levels of anxiety and stress to promote the mechanism of weight loss through the direct reduction influence of emotional eating.

L-Theanine: Fat Burner for Healthy Weight Management

One study found that mice fed high doses of this compound experienced an increase in metabolic rate and fat oxidation. Although this study was conducted on animals, it provides evidence that their amino acids may promote weight loss by increasing fat-burning levels while decreasing appetite.

It is also believed to have antioxidant properties. This supplement ingredient has been shown to reduce markers of oxidative stress, which can increase the risk of several chronic diseases such as cardiovascular disease and type II diabetes.

Some research also suggests that L-theanine may support healthy cholesterol levels as well as insulin sensitivity, which is important for good weight management.

Other advantages 

  • The benefits extend beyond weight loss and include several cognitive, mood, and cardiovascular support.
  • This supplement’s ingredients have been shown to reduce levels of Cortisol, the stress hormone that can contribute to the storage of belly fat
  • L-theanine may also support healthy blood pressure levels as well as brain health by increasing alpha waves in the brain. These waves are linked to a state of relaxation and calmness of the mind.
  • Aside from the weight loss benefits of L-theanine, this amino acid may also support heart health.
  • One study showed that participants who took an L-theanine supplement for 12 weeks had lower levels of triglycerides and bad cholesterol (LDL), as well as increased levels of good cholesterols (HDL).
  • Another study found that supplementing with 200 mg of L-theanine daily for 12 weeks was associated with a reduction in systolic and diastolic blood pressure.
  • Research also indicates that these supplement ingredients may promote focus, which is important for supporting healthy weight management efforts.

How can I take L-theanine for weight loss? 

There are many places where you can access L-theanine, either at the online store or local food store. Be sure to look for a supplement that is standardized to contain 50-100% pure L-theanine and does not contain caffeine or other stimulants.

What should I do if I take too much L-theanine?

Currently, there is not enough research to know the effects of taking too much. If you take more than the recommended amount on a daily basis, talk to your doctor about the potential negative side effects of these supplemental ingredients

Does L-theanine cause side effects? 

L-theanine is a safe, natural supplement that does not cause side effects in most people. On the other hand, some individuals may record slight side effects like dizziness, headache, and gastrointestinal offset. If you experience any side effects after taking this product, stop using it and talk to your doctor

What weight loss pills contain L-theanine

Just a few weight loss supplements contain this compound, they are just a few. Popular brands include Hydroxycut Hardcore Elite, RippedFuel, Extreme From Applied Nutrition, and Hyper Drive from BSN. L-theanine is also present in the following:

  • Every Night Time Fat Burner
  • Xenadrine Ultimate
  • FenFast375
  • Lean PM

However, before taking any supplements, be sure to read the ingredients list to verify that it only contains pure L-theanine and does not contain any stimulant

Also Read: Are Pickles Good For Weight Loss? Surprising Facts You Need To Know!


L-theanine is a safe, natural supplement that has been shown to promote weight loss by increasing fat-burning and decreasing appetite. It also has several other health benefits, such as reducing stress levels, supporting heart health, and promoting focus.

200 mg is the most recommended dose per day when taking L-theanine. However, if you exceed the daily recommended amount, talk to your doctor about the potential negative side effects of this supplement ingredient

L-theanine is found in many diet pills and helps suppress your appetite while giving you energy to exercise, speeding up with loss. L-theanine over time has been proven to have no negative side effects. When looking for a weight loss pill, make sure it has L-theanine as an ingredient.

Written by

Patrick Alan

Patrick Alan is a distinguished medical expert specializing in general medicine, renowned for his extensive knowledge and insightful contributions to the field. With a passion for enhancing healthcare and a commitment to the well-being of individuals, Patrick has dedicated his career to advancing medical knowledge and providing valuable insights into various aspects of general medicine.

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