BioStacks
Swanson

GABAplex

1 Capsule · 60 servings · $0.21/serving

iHerbAmazon

Best for

Stress & Mood

Ingredients (6)

Bioperine Nature's Thermonutrient

100%

Dose

5 mg

Target

5–20 mg

Form

—

GABA

100%

Dose

250 mg

Target

100–300 mg

Form

—

L-Theanine

50%

Dose

50 mg

Target

100–250 mg

Form

—

L-Tyrosine

20%

Dose

100 mg

Target

500–2000 mg

Form

—

Taurine

10%

Dose

100 mg

Target

1000–3000 mg

Form

—

Other Ingredients (5)

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Rice HullsAnti-caking

Ground outer husk of rice grains used as a plant-based flow and anti-caking agent

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.

GABA Calm Peppermint Flavor

Source Naturals

GABA Calm Peppermint Flavor

😴 for Sleep

33
GABA Calm (Orange)

Source Naturals

GABA Calm (Orange)

😴 for Sleep

22
Pure Tranquility Liquid

Pure Encapsulations

Pure Tranquility Liquid

🧘 for Stress & Mood

50
Lunar Sleep Aid (Mixed Berry)

Legion

Lunar Sleep Aid (Mixed Berry)

😴 for Sleep

64
RelaxMax

XYMOGEN

RelaxMax

⚖️ for Hormones

53

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

  • Contact & Support
  • 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.