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High-Dose L-Cysteine Supplements

109 products above 100 mg

109 supplements contain high-dose L-Cysteine (above 100 mg). The highest dosage product is Healthy Hair Formula at 1000 mg.

Low Dose (113)High Dose (109)

High-Dose Products (sorted by dosage)

ProductBrandDosage% DV
Healthy Hair FormulaPuritan's Pride Premium1000 mg—
Healthy Hair FormulaVitamin World1000 mg—
L-Cysteine PowderSource Naturals900 mg—
LiverMDdiscontinued1MD800 mg—
Winter WellnessLife Extension700 mg—
BreatheMDdiscontinued1MD600 mg—
BreatheMD1MD Nutrition600 mg—
Whey Protein Gold Isolate Plus VanilladiscontinuedCalifornia Academy of Health504 mg—
Whey Protein Gold Isolate Plus Natural Vanilla FlavorCalifornia Academy of Health504 mg—
Pharmaceutical Grade AjiPure L-Cysteine 500 mgdiscontinuedSwanson Ultra500 mg—
Cysteine 500 mgDr. Clark Store500 mg—
Hair ForceKAL500 mg—
L-Cysteine 500 mgPuritan's Pride Premium500 mg—
L-Cysteine Free Form 500 mgdiscontinuedVitamin World500 mg—
L-Cysteine 500 mgVitamin World500 mg—
L-Cysteine 500 mgSolaray500 mg—
L-Cysteine 500 mgCalifornia Gold Nutrition500 mg—
L-Cysteine 500 mgdiscontinuedPuritan's Pride500 mg—
L-CystineBulkSupplements.com500 mg—
L-Cysteine 500 mgLuckyVitamin500 mg—
L-Cysteine 500 mgDouglas Laboratories500 mg—
L-Cysteine 500 mgLake Avenue Nutrition500 mg—
OptiCleanse Plus Rice OriginalXYMOGEN463 mg—
Whey Protein Gold Isolate Plus Natural Chocolate FlavorCalifornia Academy of Health458 mg—
Whey Protein Gold Isolate Plus ChocolatediscontinuedCalifornia Academy of Health458 mg—
Whey Protein Gold Isolate Plus Natural VanilladiscontinuedCalifornia Academy of Health454 mg—
HairViva Vitamins400 mg—
Vita Chel PackDouglas Laboratories350 mg—
Vitamins For The HairVitamin World334 mg—
Timed Release Mega Vitamins For The HairdiscontinuedGood 'N Natural334 mg—
Hair, Skin & NailsCHK Nutrition300 mg—
Vita-Chel PlusDouglas Laboratories300 mg—
Vegan Hair, Skin & NailsdiscontinuedNOW Solutions250 mg—
Hepasil DTXUSANA225 mg—
Thyro-DyneInterPlexus Whole Body Health210 mg—
Hair, Skin, & Nail essentialsHealthy Choice Naturals200 mg—
Dermatologic Health Skin, Hair & NailsdiscontinuedCooper Complete200 mg—
Be-BeautifuldiscontinuedGNC WellBeing200 mg—
RootMD PremiumdiscontinuedPremium Certified200 mg—
Hair EffectsDaVinci Laboratories200 mg—
Ultra NourishHair Beauty BasicsGNC Women's200 mg—
Hair, Skin & Nails Beauty BasicsGNC Women's200 mg—
Ultra-Guard Low Allergenicity AntioxidantDouglas Laboratories200 mg—
Hair EffectsdiscontinuedDaVinci Laboratories Of Vermont200 mg—
ImmunacediscontinuedNature's Plus200 mg—
RootMDPremium Certified200 mg—
Hair, Skin, & Nail EssentialsdiscontinuedHealthy Choice Naturals200 mg—
Anti-OxidantdiscontinuedDouglas Laboratories200 mg—
Hair, Skin & NailsRite Aid Pharmacy200 mg—
Hair, Skin & Nails FormulaGNC Women's200 mg—

Frequently Asked Questions

What is considered high-dose L-Cysteine?

Based on 436 products in the NIH DSLD database, high-dose L-Cysteine supplements contain 100+ mg.

Is high-dose L-Cysteine safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including L-Cysteine.

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