Ascorbic Acid Dosage Calculator

Ascorbic Acid Dosage for Dogs, Cats, Guinea Pigs, and Large Animals
Trade Names: Vitamin C, sodium ascorbate (many brand names available)
Functional classification: Vitamin Supplement / Antioxidant

Ascorbic Acid Dosing for Dogs, Cats, Guinea Pigs, and Large Animals

Important Information

Vitamin C is generally safe but monitor for gastrointestinal upset with high doses.

Consult with a veterinarian for appropriate dosing based on individual animal needs.

Reference Source

Saunders Handbook of VETERINARY DRUGS, Page 78-79

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Standard Dosage Guidelines

Small Animal Dosage

Species Indication Route Dosage Frequency
Dogs Dietary supplementation PO 100-500 mg/animal Once daily
Urinary acidification PO 100 mg/animal q8h
Urinary acidification IM, IV 1-10 mL (250 mg/mL) As needed
Dogs Oxidative stress PO 500-1000 mg/animal q24h
Cats Dietary supplementation PO 100-500 mg/animal Once daily
Urinary acidification PO 100 mg/animal q8h
Urinary acidification IM, IV 1-10 mL (250 mg/mL) As needed
Cats Oxidative stress PO 125 mg/animal q12h
Guinea Pigs Vitamin deficiency IM 16 mg/kg Twice weekly

Large Animal Dosage

Species Indication Route Dosage Frequency
Large Animals Vitamin C supplementation IM, IV 1-10 mL Repeat daily as needed
Vitamin C supplementation PO 1-2 g q24h