Is Potassium Ascorbate (E303) Halal?

MUIS lists E303 (Potassium Ascorbate) as halal. It is manufactured synthetically from non-animal raw materials. The status applies to the additive itself; the finished product still needs its other ingredients checked.

Potassium ascorbate is the potassium salt of ascorbic acid, used as an antioxidant. It is less common than the sodium and calcium forms.

• limited beverage applications
• vitamin supplements
• low-sodium products

• E303 on its own is not a reason to avoid a product.
• The finished product still needs its other ingredients checked — look for a halal certification logo (MUIS, JAKIM, MUI, HMC or similar) when in doubt.
• Halal status here follows the MUIS food additive listing; rulings can differ between certification bodies.

ascorbic acid (E300), sodium ascorbate (E301), calcium ascorbate (E302)

E303 (Potassium Ascorbate) is halal for Muslims according to the MUIS food additive listing. Potassium ascorbate is the potassium salt of ascorbic acid, used as an antioxidant.

Potassium ascorbate is the potassium salt of ascorbic acid, used as an antioxidant. It is less common than the sodium and calcium forms.

E303 is commonly found in limited beverage applications, vitamin supplements, and low-sodium products.