About the product
- Lung Support - Cystine supports lung function by helping to maintain healthy mucus membranes.* L-Cystine may also help support a healthy respiratory function.* L-Cystine powder is a great addition to any diet for people who want to improve their overall health and well-being.*
- Immune Support - Cystine is a precursor to the antioxidant glutathione, an antioxidant which helps support immune function.* The immune system is the body's defense against harmful invaders.* In addition, L-Cystine may help support a healthy immune response.*
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