NOW Foods L-Cysteine 500mg 90 Veg Capsules

NOW® L-Cysteine supplies 500 mg of L-cysteine in each veg capsule. Cysteine is a sulfur-containing amino acid that plays a critical role in the body's methionine and taurine pathways and is a precursor to glutathione, the body's master antioxidant. Its sulfur content also makes it a key building block of keratin, the structural protein in hair, skin and nails — which is why cysteine is so often associated with supporting their strength and health.*

About the key ingredients

• L-Cysteine – 500 mg: A sulfur amino acid that builds the keratin in hair, skin and nails, supports the body's sulfur pathways and serves as a precursor to glutathione.*
• Other ingredients: Cellulose in a plant-based hypromellose (vegetarian) capsule, with no artificial fillers.

Who it's for

NOW® L-Cysteine is well suited to adults who want targeted amino-acid support for strong, healthy hair, skin and nails, thanks to cysteine's role as a building block of keratin. It also appeals to those interested in supporting the body's own glutathione production and sulfur-based pathways for antioxidant and detoxification support. It's an easy daily addition for anyone focused on beauty-from-within routines or on the body's natural protective systems, and pairs well with a diet rich in protein and vitamin C.*

Suggested use

Suggested Usage: Take 1 capsule 1 to 2 times daily as needed. Store in a cool, dry place after opening.

Quality & certifications

• Family Owned Since 1968
• GMP Quality Assured
• Made in the USA

Frequently asked questions

Why is cysteine good for hair and skin?
It's a sulfur amino acid and a key building block of keratin, the structural protein in hair, skin and nails.*

What else does cysteine do?
It's a precursor to glutathione (the body's master antioxidant) and takes part in the methionine and taurine pathways.*

How do I take it?
Take one capsule daily.*

Cautions & interactions

As with any supplement, talk to your doctor before adding this product to your routine if you are pregnant or nursing, taking prescription medication, or managing a health condition. Keep it out of reach of children, store it in a cool, dry place, and don't exceed the recommended serving.

Allergen information: Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.

⚠ California Proposition 65 Warning: California Proposition 65 WARNING: Consuming this product can expose you to chemicals, including lead, which are known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.