Everything DoseRank tracks on the l-tyrosine shelf — Rhodiola Rosea and L-Tyrosine. The category itself is never ranked: 49 products get scored the moment you say what you want them to do.
How to read the scores
This legend covers the scores on this page — for data sources, scoring weights, and limits, read the full methodology →
Answer a few questions about your goals, habits, stack, and budget. Then, DoseRank will find the products that best match your needs based on your answers. It's free and only takes 60 seconds! No account is required.
A saved, shareable breakdown: your matched products, dose math, interaction flags to discuss with a clinician, and a price-tracked stack you can revisit.
Questions
Each product gets a composite score blending clinical strength, evidence, dose fit, trust and value — computed for the goal you picked, across this category's products. The #1 on the DoseRank tab has the highest composite; the other tabs re-rank the same products by Value, Trust, or Popularity. Placement is never paid.
Start with a goal, not a brand
Browsing l-tyrosine supplements without a goal makes no sense — different products do different jobs, and “best” flips depending on which job you're hiring for. These are the 45 health outcomes that matter for this category. Pick yours, and the full evidence-ranked shelf loads for that goal alone.
Stress resilienceAbility to cope with or recover from stress.49 rankedModerate-strong
Cognitive functionOverall thinking ability including memory, attention, and processing.49 rankedStrong
FatiguePersistent tiredness, low stamina, or lack of energy.49 rankedStrong
Iodine statusBiochemical sufficiency of iodine.7 rankedStrong
Copper statusBiochemical sufficiency of copper.5 rankedStrong
Nutrient deficiency correctionResolution of a documented vitamin, mineral, or nutrient deficiency.2 rankedStrong
Thyroid functionOverall function of the thyroid axis.7 rankedStrong
NauseaFeeling of sickness or urge to vomit.11 rankedStrong
Vitamin B6 statusBiochemical sufficiency of pyridoxine-related compounds.8 rankedStrong
HomocysteineAmino acid marker linked with vascular and methylation status.10 rankedStrong
Riboflavin statusBiochemical sufficiency of vitamin B2.4 rankedStrong
Selenium statusBiochemical sufficiency of selenium.3 rankedStrong
Congenital anomalyStructural or functional birth defect.4 rankedStrong
Zinc statusBiochemical sufficiency of zinc.5 rankedStrong
Niacin statusBiochemical sufficiency of vitamin B3.4 rankedStrongNothing is ranked yet — the shelf stays locked until you pick a goal.
No goal, no ranking.
A “best l-tyrosine supplement” list without a goal would be marketing, not evidence. Pick what you want to improve and DoseRank scores all 49 products against that goal's trials.