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Eosinophilia-Myalgia Syndrome (EMS)

A rare disease linked to contaminated L-tryptophan supplements in the past. Characterized by high eosinophil levels, severe muscle pain, skin changes, neurological problems. Serves as a historical contraindication/reminder of supplement quality importance. Current L-tryptophan is considered safe if from reputable sources, but individuals with a history of EMS should exercise extreme caution.

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What to avoid (2)

  • EAA (Essential Amino Acids) Supplements LowClinical

    If you have a history of Eosinophilia-Myalgia Syndrome, consult your doctor before using EAAs, as this supplement contains L-tryptophan, which was historically linked to the condition.

  • Tryptophan Supplements LowClinical

    Historically, some L-Tryptophan supplements were linked to a rare but serious condition called Eosinophilia-Myalgia Syndrome (EMS). While modern manufacturing is safer, individuals with a history of EMS should avoid this supplement.