BioStacks
Natural Factors

L-Tyrosine, 500 mg, 60 Vegetarian Capsules

2 Capsules

79 / 100Good

Best for

Score Breakdown

Formulation
79
Safety
100
Final score
79/100

Ingredients (2)

1 scored · 1 not scored

L-Tyrosine1000 mg

Optimal dose

Calcium50 mg

Trace amount — not scored

Other Ingredients

Fillers, coatings, and additives

3Safe

Magnesium StearateLubricant

Safe

Silicon DioxideAnti-caking

Safe

Capsule ShellCapsule

Safe

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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.