BioStacks
Best for
Ingredients (1)
L-Tyrosine
100%Dose
500 mg
Target
500–2000 mg
Form
—
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
LeucineFlow Aid
Branched-chain amino acid used as a processing aid
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
How to Take It
Best taken in the morning
Take in the morning. It competes with other amino acids for uptake, so a protein-heavy meal blunts it.
On an empty stomach
Keep it away from protein-heavy meals
On the label
1 capsule, 1 to 4 times daily or as directed by a healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$27.99
Pricier than 90% of 38 tyrosine 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. 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.