L-Cysteine HCl

The hydrochloride salt of the sulfur-bearing amino acid cysteine, this readily soluble powder carries a pronounced sulfur odor and serves as a precursor in the glutathione pathway.

Has usage cautions — see below

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Checked for identity, regulatory status, and quality before it can appear in the builder — and every order is reviewed before production.

Specimen · Amino Acids

L-Cysteine HCl

Ingredient Facts

Amino Acids

Serving range500 mg – 1.80 g
Typical dose1 g
Available inCapsules · Powder
DietaryVegan · Vegetarian · Gluten free · Caffeine free · Stimulant free
AllergensNone declared

Every amount declared.

Part of the reviewed catalog — every ingredient is checked for identity, regulatory status, quality documentation, and manufacturability before it can appear in the builder. Our ingredient standards

In practiceTypically blended at 1 g per serving · available in capsules and powder · adds about $0.50 per serving in the builder (estimate).

On your label

Supplement Facts

Preview — your blend

L-Cysteine HCl1 g

Every amount declared.

Sourcing & testing

Backed by a certificate of analysis
Tested for identity, purity, and potency
Every amount declared on your label

Our ingredient standards

Cautions

Has a strong sulfur odor.

Review this ingredient's caution information before ordering. Speak with a qualified healthcare professional if you are pregnant, nursing, under 18, taking medication, or managing a medical condition.

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More in Amino Acids

L-Cystine L-Glutamic Acid L-Glutamic Acid HCl L-Histidine All amino acids

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L-Cysteine HCl

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