If you want calm focus without drowsiness, this pairs **L-Theanine** at 200 mg with **Lemon Balm Extract** at 300 mg — both dosed right at their most commonly studied levels. The 200 mg theanine dose is the exact amount used in most relaxation and focus research, so you're getting the full studied effect in a single capsule.

The lemon balm extract is standardized to rosmarinic acid and hydroxycinnamic acid, the active compounds linked to its mild calming properties. At 300 mg you're at the low end of the clinical range (300–600 mg), and the label allows a second capsule daily, which would bring you to 600 mg — the top of the studied dose.

Keep in mind that lemon balm has limited clinical evidence — only a handful of small trials support its calming effects. If you're dealing with significant stress, one capsule daily gives you a gentle starting point, but the research behind this herb is still catching up to its traditional reputation.

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BioStacks

Life Extension

Enhanced Stress Relief, 30 Vegetarian Capsules

Capsule · 30 servings · $0.70/serving

62 / 100Good

Score Breakdown

Formulation
62
Safety
100
Final score
62/100

Ingredients (2)

L-Theanine200 mg

Optimal dose

Lemon balm extract300 mg

Within effective range

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Lemon balm extract300 mg

L-Theanine200 mg

Other Ingredients

Fillers, coatings, and additives

3Safe

Silicon DioxideAnti-caking

Safe

Microcrystalline CelluloseBinder

Safe

Microcrystalline CelluloseBinder

Safe

vegetable stearate

Unknown

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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.