Filters

L-Theanine Supplements

13 products

Showing 1 - 13 of 13 products

Showing 1 - 13 of 13 products
Sort by:
Save 17%
AOR Zen Theanine 225 mg Capsules Image 1AOR Zen Theanine 225 mg Capsules Image 2
Sale priceFrom $40.99 Regular price$49.19 Unit price ($0.47/Serving)
AOR Zen Theanine 225 mg (Capsules)
Save 17%
CanPrev Pro Essentials L-Theanine with Magnesium 90 VCaps Image 1
Sale price$21.99 Regular price$26.39 Unit price ($0.24/Serving)
CanPrev Pro Essentials L-Theanine with Magnesium (90 VCaps)
CanPrev
In stock
Save 17%
Natural Factors Stress-Relax Mental Calmness 100 mg Chewable Tablets Image 1Natural Factors Stress-Relax Mental Calmness 100 mg Chewable Tablets Image 2
Sale priceFrom $22.72 Regular price$27.26 Unit price ($0.70/Serving)
Natural Factors Stress-Relax Mental Calmness 100 mg (Chewable Tablets)
Save 17%
New Roots L-Theanine VCaps Image 1New Roots L-Theanine VCaps Image 2
Sale priceFrom $9.50 Regular price$11.40 Unit price ($0.27/Serving)
New Roots L-Theanine 250 mg (VCaps)
Save 17%
NOW L-Theanine 100 mg 90 VCaps Image 1
Sale price$31.78 Regular price$38.14 Unit price ($0.35/Serving)
NOW L-Theanine 100 mg (90 VCaps)
NOW
No reviews
Only A Few Left
Save 17%
Nutridom L-Theanine 250 mg 60 VCaps Image 1
Sale price$17.99 Regular price$21.59 Unit price ($0.29/Serving)
Nutridom L-Theanine 250 mg (60 VCaps)
Save 17%
Orange Naturals B-Complex with L-Theanine (45 VCaps)
Sale price$17.99 Regular price$21.59 Unit price ($0.39/Serving)
Orange Naturals B-Complex with L-Theanine (45 VCaps)
Orange Naturals
Only A Few Left
Save 17%
Orange Naturals L-Theanine 250 mg with Magnesium (60 VCaps)
Sale price$15.99 Regular price$19.19 Unit price ($0.26/Serving)
Orange Naturals L-Theanine 250 mg with Magnesium (60 VCaps)
Orange Naturals
Only A Few Left
Save 17%
Organika L-Theanine 225 mg 90 VCaps Image 1
Sale price$23.99 Regular price$28.79 Unit price ($0.26/Serving)
Organika L-Theanine 225 mg (90 VCaps)
Organika
Only A Few Left
Save 17%
Organika L-Theanine 225 mg BONUS SIZE 110 VCaps Image 1
Sale price$23.99 Regular price$28.79 Unit price ($0.21/Serving)
Organika L-Theanine 225 mg BONUS SIZE (110 VCaps)
Organika
In stock
Save 17%
Sisu Stress Rescue 125 mg L-Theanine - Cherry 30 Chewable Tablets Image 1
Sale price$19.58 Regular price$23.50 Unit price ($0.65/Serving)
Sisu Stress Rescue 125 mg L-Theanine - Cherry (30 Chewable Tablets)
Sisu
Only A Few Left
Save 17%
Sisu Stress Rescue 250 mg L-Theanine 60 VCaps Image 1
Sale price$49.45 Regular price$59.34 Unit price ($0.82/Serving)
Sisu Stress Rescue 250 mg L-Theanine (60 VCaps)
Sisu
Only A Few Left
Save 17%
Vitanergy Relaxation Support L-Theanine 100 mg 60 Chewable Tablets Image 1
Sale price$23.99 Regular price$28.79 Unit price ($0.79/Serving)
Vitanergy Relaxation Support L-Theanine 100 mg (60 Chewable Tablets)

Recently viewed

L-Theanine is an amino acid that is found in green tea and is a natural remedy that is often used to help alleviate the physical and psychological stresses of daily life

Research suggests that L-Theanine supplements may have several potential benefits, like reducing stress and anxiety, improving cognitive function, promoting better sleep quality, and enhancing immune function. Additionally, some studies have suggested that L-Theanine may help to reduce blood pressure and improve cardiovascular health.

L-Theanine is generally considered safe when taken at recommended dosages, and negative side effects are rare. However, some people may experience mild side effects, including:

  • Headaches
  • Dizziness
  • GI upset (nausea, diarrhea)
  • Sleepiness or drowsiness

It is believed that L-Theanine can be used as an anti-anxiety medication that may help alleviate anxiety by increasing alpha waves in the brain, which promotes a state of relaxation without causing drowsiness.

Studies have found that L-Theanine may be beneficial in the treatment of generalized anxiety disorder, schizophrenia, schizoaffective disorder, and attention deficit hyperactivity disorder (ADHD) by reducing symptoms of anxiety and improving sleep and cognitive performance (1) (2).

L-Theanine is generally considered safe for most people when taken at recommended dosages, and there is no evidence to suggest that taking L-Theanine supplements every night is harmful. It is recommended to start with a low dosage and gradually increase it to the recommended dose, as this may help reduce the risk of side effects.