BioStacks
Protocol For Life Balance

L-Theanine 200 mg

1 Capsule · 60 servings · $0.43/serving

iHerbAmazon

Best for

Stress & Mood

Ingredients (2)

L-Theanine

100%

Dose

200 mg

Target

100–250 mg

Form

—

Inositol

5%

Dose

100 mg

Target

2000–4000 mg

Form

—

Other Ingredients (2)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

HypromelloseCapsule

Plant-derived capsule material from cellulose

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

Similar Supplements

Products that cover similar health dimensions based on their ingredients.

NOW

Double Strength L-Theanine 200 mg

🧘 for Stress & Mood

82
Double Strength L-Theanine 200 mg

NOW

Double Strength L-Theanine 200 mg

🧘 for Stress & Mood

82
Chewable L-Theanine 100 mg

NOW

Chewable L-Theanine 100 mg

🧘 for Stress & Mood

61
100% Pure Inositol Powder

Swanson

100% Pure Inositol Powder

⚖️ for Hormones

85
Inositol SAP

NFH

Inositol SAP

⚖️ for Hormones

85

Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

BioStacks

Know exactly what's in your supplements.

Navigate

  • Home
  • App Store
  • Google Play

Resources

  • Terms of Service
  • Privacy Policy

Explore

  • Health Areas
  • Best Supplements
  • Nutrients
  • All Supplements

Popular Picks

  • Best Magnesium for Sleep
  • Best Collagen for Skin
  • Best Creatine for Muscle
  • Best Vitamin D for Bone Health
  • Best Probiotics for Digestion
  • Best CoQ10 for Heart
© 2026 BioStacks. All rights reserved. Not medical advice.