{"ok":true,"entry":{"slug":"eaa","kind":"supplement","name":"essential amino acids","aliases":["EAA","EAAs"],"brands_sg":["California Gold Nutrition","BodyHealth","Nutricost","EVLution Nutrition","ALLMAX"],"class":"amino acid blend","tags":["fitness"],"use_for":"muscle protein synthesis · whole protein does the same","use_after":"0–2 h after exercise · one meta-analysis found no edge","use_duration":null,"take_with":"water · 25 g of complete protein already gives ~10 g","pros":["ods: ~10 g eaas after training looks optimal for mps","issn: 6–15 g doses all stimulated protein synthesis","all nine eaas are needed to trigger the response"],"cons":["issn: intact protein matches free-form at equal eaas","25 g of complete protein already gives ~10 g eaas","no upper limit set for protein — high-intake data thin"],"dose_note":"issn's protein stand reports 6–15 g of eaas stimulating muscle protein synthesis; nih ods puts the post-exercise target near 10 g of eaas, which about 25 g of complete protein already supplies","dosage":{"ul":null,"unit":"g","fda_dv":null,"rda_ai":null,"ul_status":"none_established","population":"general adult","hsa_max_daily":null},"ul_status":"none_established","sg_class":null,"cautions":["kidney disease — protein-restricted diets apply; ask your doctor first","not listed in hsa annex a or b (oct 2025) — not a clearance"],"clashes":[],"sources":[{"id":"ods_ex_eaas","url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","label":"NIH ODS — Exercise and Athletic Performance (HP), protein section: the nine EAAs","quote":"The nine EAAs are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine … a meal or snack with 25 g total protein provides about 10 g EAAs","accessed":"2026-08-27"},{"id":"ods_ex_mps","url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","label":"NIH ODS — Exercise and Athletic Performance (HP), protein efficacy","quote":"Muscle protein synthesis leading to increases in strength and muscle mass appears to be optimal with the consumption of high-quality protein (providing about 10 g EAAs) within 0–2 hours after exercise","accessed":"2026-08-27"},{"id":"ods_ex_timing","url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","label":"NIH ODS — Exercise and Athletic Performance (HP), protein timing meta-analysis","quote":"a meta-analysis of randomized clinical trials found that ingesting protein within an hour before or after exercise does not significantly increase muscle strength or size or facilitate muscle repair","accessed":"2026-08-27"},{"id":"ods_ex_all_eaas","url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","label":"NIH ODS — Exercise and Athletic Performance (HP), implications for use","quote":"All EAAs are necessary to stimulate muscle protein synthesis, so users should select singular or complementary protein sources accordingly","accessed":"2026-08-27"},{"id":"ods_ex_protein_ul","url":"https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional/","label":"NIH ODS — Dietary Supplements for Exercise and Athletic Performance (Health Professional), protein safety (updated 1 Apr 2024)","quote":"The Food and Nutrition Board has not set a UL for protein, noting that the risk of adverse effects from excess protein from food is very low","accessed":"2026-08-27"},{"id":"issn_eaa_dose","url":"https://www.ebi.ac.uk/europepmc/webservices/rest/PMC5477153/fullTextXML","label":"ISSN position stand: protein and exercise (Jäger et al., JISSN 2017) — amino acid summary","quote":"EAAs appear to be uniquely responsible for increasing MPS with doses ranging from 6 to 15 g all exerting stimulatory effects","accessed":"2026-08-27"},{"id":"issn_intact","url":"https://www.ebi.ac.uk/europepmc/webservices/rest/PMC5477153/fullTextXML","label":"Jäger et al., JISSN 2017 — intact protein vs free-form amino acids","quote":"intact protein supplements such as egg, whey, casein, beef, soy and even whole milk can evoke an anabolic response … similar or greater in magnitude to free form amino acids, assuming ingestion of equal EAA amounts","accessed":"2026-08-27"},{"id":"issn_kidney","url":"https://www.ebi.ac.uk/europepmc/webservices/rest/PMC5477153/fullTextXML","label":"ISSN position stand: protein and exercise (Jäger et al., JISSN 2017) — safety section","quote":"people in renal failure benefit from protein-restricted diets, but extending this pathophysiology to otherwise healthy exercise-trained individuals who are not clinically compromised is inappropriate","accessed":"2026-08-27"},{"id":"hsa_restricted","url":"https://file.go.gov.sg/hsa-chp-prohibited-restricted-ing-guidelines.pdf","label":"HSA — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines, GL-CHPB-1-012 Rev 001 (Oct 2025), Annexes A/B","quote":"The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list","accessed":"2026-08-27"},{"id":"iherb_sg","url":"https://sg.iherb.com/c/essential-amino-acids","label":"iHerb Singapore — Essential Amino Acids (EAA) category page, default sort","quote":"Essential Amino Acids EAA: Powders & Capsules | iHerb … 1 - 48 of 130 results","accessed":"2026-08-27"}],"brand_certs":[{"brand":"BodyHealth","example":null,"programme":"NSF Certified for Sport","matching_products":0,"brand_total_certified":8}],"updated_at":"2026-08-30T17:59:38.376296+08:00"},"disclaimer":"kozen-x is not a medical device and does not give medical advice. it lists what published sources have written down. absence of a record is not the same as safe."}