U.S. doctors online nowAsk doctors free
Top answers from doctors based on your search:
Disclaimer

What is the difference between theanine threonine

A 16-year-old male asked:
Dr. Bernard Seif
Clinical Psychology 40 years experience
Theanine: is found in tea and in supplement form. It helps us become calm and focused. It is not the only way to cal oneself. How is your diet and exercise l... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
A 16-year-old male asked:
Dr. Dean Giannone
Internal Medicine 25 years experience
L-Theanine.: Research has confirmed the relaxing properties of L-theanine through measuring its effect on brain wave activity. This is in doses of 50mg daily. Pe... Read More
A 21-year-old male asked:
Dr. Bernard Seif
Clinical Psychology 40 years experience
Everything we ingest: has side effects. Please see a nutritionist or a natural health doctor who can recommend the proper supplements and doses. Peace and good health.
A 54-year-old male asked:
Dr. Alan Ali
Dr. Alan Alianswered
Psychiatry 32 years experience
Theanine: This is an Amino Acid with psychoactive properties due to its stimulant effect on brain Dopamine & gaba. It was originally discovered in green tea. It... Read More
A 37-year-old female asked:
Dr. Victor Bonuel
Internal Medicine 38 years experience
You can read link: Below. It may cause decrease ability to focus and dizziness. Melatonin sometimes can cause shortness of breath esp. Those with history of asthma. (j... Read More
A 28-year-old male asked:
Dr. Tanya Russo
Pediatrics 25 years experience
No: This should be fine, and many herbal formulations for mood contain both, and more.
A 25-year-old male asked:
Dr. Hal Blatman
Pain Management 41 years experience
Directions on bottle: L-theanine can be taken at a dose of 1-200 mg three times per day. Rhodiola dose will depend on quality and preparation. The dose range should be on t... Read More
A 16-year-old male asked:
Dr. Robert Kwok
Pediatrics 33 years experience
Hmmm....: If there are any good research studies comparing patients on a "brain-enhancing" substance vs. patients on a placebo, that show any real-life brain im... Read More
A male asked:
Dr. Saptarshi Bandyopadhyay
Hospital-based practice 21 years experience
GRAS up to 250 mg: 1st, L-Theanine (a glutamine derivative found in tea & fungi) is classified as GRAS- Generally Regarded As Safe- by the FDA. Doses up to 1200 mg h... Read More
A 25-year-old female asked:
Dr. Pamela Pappas
Psychiatry 42 years experience
Yes: There are no known interactions between l-theanine and bupropion. However, if bupropion is making you anxious, it may not be the correct medication f... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership