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

  • Vegetarian
  • Kosher
  • Gluten Free
Quality

How it scores

Overall

C

Evidence

C

Dose

A

Formulation

A

Brand

90/100

The label

What's in it, judged

Supplement Facts

Serving Size: 1 Vegetable Capsule(s)

90 per container

IngredientAmount%DV

† Daily Value not established

Other ingredients: Vegetable Capsule.

1 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.

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?

  • L-Theanine

    At the studied dose

    200 mg / day studies used 50-400 mg · 22 studies

What L-Theanine 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

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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