BioStacks
Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.
Ingredients (9)
L-Lysine HCl
25%Dose
250 mg
Target
1000–3000 mg
Form
—
L-Methionine
25%Dose
50 mg
Target
200–1000 mg
Form
—
L-Threonine
30%Dose
150 mg
Target
500–4000 mg
Form
—
L-Tryptophan
20%Dose
50 mg
Target
250–1000 mg
Form
—
L-Phenylalanine
20%Dose
100 mg
Target
500–1500 mg
Form
—
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
HypromelloseCapsule
Plant-derived capsule material from cellulose
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Best taken in the evening
Take at night. Other amino acids compete for brain uptake, so a protein-heavy meal blunts it.
On an empty stomach
Keep it away from protein-heavy meals
Space it a couple of hours from SAMe
On the label
As a dietary supplement, take 2 capsules daily with 8-12 oz of water or as directed by your healthcare professional.
Do not combine with St. John's Wort
Each of these raises serotonin activity on top of St. John's Wort, and together they can trigger serotonin syndrome — agitation, rapid heartbeat, raised blood pressure. Not without medical supervision.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.