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What it does
Tyrosine
Form not confirmedGrade —
In one small trial, L-tyrosine improved vigilance in male soccer players exercising in warm conditions.
Ingredients (1)
Other ingredients
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
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.
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Lab testing
How to take it
On an empty stomach
Keep it away from protein-heavy meals
On the label
Adults take 1 capsule once a day on an empty stomach, immediately after arising in the morning, preferably with juice or as directed by yoAdults take 1 capsule once a day on an empty stomach, immediately after arising in the morning, preferably with juice or as directed by your qualified healthcare professional.ur qualified healthcare professional.
Price check
$10.00
$0.10 / serving
Cheaper than 90% of 38 tyrosine 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.