Free shipping on orders over $75

SupplementSmith

Amino Acids

L-Histidine HCl

The hydrochloride salt of L-histidine, this form dissolves more easily and stays stable as a powder, delivering the same essential amino acid used to build carnosine.

Specimen · Amino Acids

L-Histidine HCl

Ingredient Facts

Amino Acids

  • Serving range500 mg – 4 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 $0.60 per serving in the builder (estimate).

Same substance, different forms

Other forms of L-Histidine

On your label

Supplement Facts

Preview — your blend

  • L-Histidine 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

Keep browsing

More in Amino Acids

The builder

Put L-Histidine HCl in your blend

Pick your amount and combine it with anything else in the catalog — checked live as you build.

Build with this ingredient

L-Histidine HCl

Build with this