BioStacks
Ingredients (1)
DL-Phenylalanine
100%Dose/day
2000 mg
Target
500–1500 mg
Form
—
Other Ingredients (4)
ShellacCoating
Natural resin secreted by the lac bug, used as a coating and glazing agent for tablets and pills
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Timing doesn't matter for this one — taking it consistently does.
With or without food
Split into 2 doses across the day
On the label
As a dietary supplement, take two (2) tablets two to three times daily, 30 minutes before meals, or as directed by your qualified healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$9.99
Cheaper than 99% of 14 phenylalanine 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.