NutraBio 100% Pure L-Theanine 200 Milligrams

NutraBio · 100% Pure L-Theanine 200 Milligrams

NutraBio

100% Pure L-Theanine 200 Milligrams

Non-Nutrient/Non-Botanical90 servings

Looks good our read

The dose here lands inside the range studies actually used.

Dose At dose vs. studied dose

How to take1 capsule 1x daily with food Suggested Use: As a dietary supplement, take 1 capsule daily, preferably with a meal, or as directed by your physician.

  • Vegetarian
  • Kosher
  • Gluten Free
Quality

How it scores

Overall

B

Evidence

B

Dose

A

Formulation

A

Brand

90/100

Dose check

Is it dosed to do anything?

  • L-Theanine

    At the studied dose

    200 mg / day studies used 50-400 mg · 12 studies

What L-Theanine is good for

  • Grip strengthC

    Strengthen your grip

    Muscle function

  • StressC

    Reduce daily stress

    Anxiety & stress

  • Impulse controlD

    Improve impulse control

    Attention & executive function

  • Sleep qualityB

    Improve sleep quality

    Sleep

  • Focus under loadC

    Improve focus under pressure

    Attention & executive function

The label

What's in it

Serving size 1 Vegetable Capsule(s)

IngredientAmount%DV

Other ingredients

Clean formula. The inactive ingredients are standard capsule components.

  • Vegetable Capsule

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.

The brand

NutraBio

90/100

NutraBio shows a credible trust posture for a supplement brand, with cGMP manufacturing and third-party testing, but the available materials do not establish premium value.

Quality 97
Formulation 89
Safety 89
Transparency 100
Value 68
  • ✓ Public COAs
  • ✓ Third-party tested
  • ✓ Effective dosing
  • ✓ Premium ingredients
Read the full NutraBio investigation →

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