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L-Lysine

amino-acids · Collagen · herpes prevention · immune · calcium absorption

Moderate evidence

L-Lysine is an essential amino acid critical for collagen synthesis and immune function. Strong evidence for reducing frequency and severity of herpes simplex outbreaks by competing with arginine.

⏱️ Timing & dosage for L-Lysine

Best time to take

Morning fasted or spread throughout day for herpes prevention

Suggested dose

500–3,000mg daily; 1g 3x daily for herpes prevention

✅ Benefits of L-Lysine

  • Herpes simplex outbreak prevention
  • Collagen synthesis
  • Calcium absorption improvement
  • Immune function
  • Anxiety reduction (some evidence)

⚠️ Side effects & risks

  • May cause nausea at high doses on empty stomach
  • High doses may raise cholesterol theoretically

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⚕️ Medical Disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.