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500 mg 60 Caps
  • Plays an important role in maintaining healthy hair, skin and nails

  • Also helps produce collagen, promoting skin elasticity

  • Each capsule delivers 500 mg of l-cysteine
This sulfur-containing amino acid plays an important role in supporting healthy hair, skin, and nails. L-cysteine helps produce collagen, which promotes proper elasticity and skin texture. Each capsule contains 500 mg of L-cysteine.

Twinlab L-Cysteine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

L-Cysteine 5 5 1 2
One of our staples Very effective on an empty stomach. Having a capsule protects us from that sulfur taste. Great price. In glass bottle - another plus. March 13, 2010
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