BioStacks
Best for
Ingredients (3)
L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
—
Chamomile extract
45%Dose
100 mg
Target
220–1500 mg
Form
—
Corn extract
10%Dose
500 mg
Target
5000–15000 mg
Form
—
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Calcium LaurateEmulsifier
Calcium salt of lauric acid used as a lubricant
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the evening
Calming herb — used in the evening, most often as a pre-sleep tea or extract.
With or without food
On the label
Take 2 capsules 60 minutes before bedtime or as recommended by your health-care practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$52.00
Pricier than 90% of 122 theanine supplements
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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.