Sports Research L-Theanine 200 mg

Sports Research · L-Theanine 200 mg

Sports Research

L-Theanine 200 mg

Non-Nutrient/Non-Botanical60 servings

Looks good our read

The dose here lands inside the range studies actually used.

Dose At dose vs. studied dose

  • Gluten Free
Quality

How it scores

$19.95★4.4 (14,469)

Overall

C

Evidence

C

Dose

A

Formulation

A

Brand

80/100

The label

What's in it, judged

Supplement Facts

Serving Size: 1 Softgel(s)

60 per container

IngredientAmount%DV

† 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.

at the studied dose Every ingredient links to our evidence.

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.

Dose check

Is it dosed to do anything?

  • Suntheanine

    At the studied dose

    200 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

The brand

Sports Research

80/100

Sports Research presents a credible quality and transparency posture, anchored by third-party certifications, but the public evidence remains narrow and mostly certification-based.

Quality 67
Formulation 77
Safety 76
Transparency 83
Value 95
  • ✓ NSF certified
  • ✓ Third-party tested
  • ✓ Effective dosing
  • ✓ Premium ingredients
Read the full Sports Research investigation →

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