BioStacks
Jarrow Formulas

Theanine 100 mg Gummies

1 Gummy · 60 servings

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What it does

A combination of 3 label ingredients.

Theanine

Form not confirmedGrade —

May improve sleep quality and responses to short-term stress in adults; evidence remains limited.

Sodium

Form not confirmedGrade —

Supports normal fluid balance and muscle and nerve function; extra sodium is not universally beneficial.

Stress & Mood
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Ingredients (2)

IngredientDoseTarget/referenceForm

Nutrition

Calories, macros & sodium.

  • Sodium10 mg

Other ingredients

XylitolSweetener

A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.

InulinFiller

Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets

Natural FlavorsFlavor

Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.

Citric AcidAcidulant

Natural acid derived from citrus fruits

PectinGelling Agent

Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

Lab testing

How to take it

With food
Keep it away from medication and mineral supplements

On the label

For children ages 8 and up, chew 1 gummy once a day on an empty stomach or as directed by your qualified healthcare professional. Chew thoroughly before swallowing.

The label says to take it on an empty stomach. What's in this one sits better with food, and you give up little by taking it that way.

Price check

$30.49

$0.51 / serving

$10$20$50

Pricier than 70% of 101 theanine supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.

Not medical advice. Consult your healthcare professional.

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