Everything DoseRank tracks on the essential amino acids (eaa) shelf — L-Lysine. The category itself is never ranked: 211 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 essential amino acids (eaa) 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.
Infection durationLength of infectious illness episodes.131 rankedModerate-strong
AlertnessWakefulness and readiness to respond.137 rankedStrong
Infection incidenceOverall rate of infectious illness.134 rankedStrong
Sarcopenia statusPresence of low muscle mass and function.125 rankedStrong
Strength performanceMaximum or functional force production.41 rankedStrong
Reaction timeSpeed of physical or cognitive response to a stimulus.40 rankedStrong
Attention and concentrationAbility to sustain and direct focus.134 rankedModerate-strong
Perceived exertionSubjective difficulty of physical effort.33 rankedStrong
Skin elasticityAbility of skin to stretch and recoil.138 rankedStrong
Sleep latencyTime needed to fall asleep.116 rankedStrong
Liver functionOverall biochemical or clinical hepatic performance.138 rankedStrong
Intestinal permeabilityBarrier integrity and leakiness of the gut lining.51 rankedModerate-strong
Atopic dermatitis symptomsItching, rash, and inflammation related to eczema.132 rankedModerate-strong
Electrolyte balancePhysiologic balance of sodium, potassium, and related ions.57 rankedStrong
Muscle damage biomarkersMarkers such as creatine kinase indicating exercise-related tissue stress.138 rankedStrongNothing is ranked yet — the shelf stays locked until you pick a goal.
No goal, no ranking.
A “best essential amino acids (eaa) supplement” list without a goal would be marketing, not evidence. Pick what you want to improve and DoseRank scores all 211 products against that goal's trials.