Sports Research
L-Theanine 200 mg
Non-Nutrient/Non-Botanical60 servings
The dose here lands inside the range studies actually used.
Dose At dose vs. studied dose
- Gluten Free
How it scores
What's in it, judged
Supplement Facts
Serving Size: 1 Softgel(s)
60 per container
- Suntheanine as L-Theanine 200 mg †
† Daily Value not established
Other ingredients: Coconut Oil, Virgin, Gelatin, Glycerin, Water, Purified, Beeswax.
Suggested Use: Adults take 1 softgel daily with or without food, or as recommended by a qualified healthcare professional.
Reported interactions
- Interacts with:
- Doxorubicin ·Morphine ·Capecitabine ·Oxaliplatin ·Nicotine ·Tetrahydrocannabinol ·Mecamylamine
- Side effects:
- Fatigue ·Headache ·Nausea ·Dizziness ·Dysgeusia ·Anxiety
From research databases. Not medical advice — talk to your physician.
Is it dosed to do anything?
-
Suntheanine
At the studied dose200 mg / day studies used 50-400 mg · 22 studies
What Suntheanine is good for
- Heart rate responseD
Heart rate response to stress or stimulants
Cardiovascular
- Same-day systolic BPD
Lower same-day systolic pressure
Cardiovascular
- Anxiety symptomsC
Fewer anxiety symptoms
Mood & depression
- CortisolC
Lower cortisol levels
Endocrine & hormonal
- Depression severityC
Less severe depression
Mood & depression
Sports Research
80/100Sports Research presents a credible quality and transparency posture, anchored by third-party certifications, but the public evidence remains narrow and mostly certification-based.
- ✓ NSF certified
- ✓ Third-party tested
- ✓ Effective dosing
- ✓ Premium ingredients