Ascorbic Acid
Vitamin C; many brands and generics
Water-soluble vitamin
| A/C | 1 | No | No | No |
| Key |
- Tabs [OTC]: 100, 250, 500 mg, 1 g
- Chewable tabs [OTC]: 100, 250, 500 mg; some may contain aspartame
- Tabs (timed release) [OTC]: 0.5, 1.5 g
- Caps [OTC]: 500, 1000 mg
- Extended release caps [OTC]: 500 mg
- Injection: 500 mg/mL (50 mL); may contain sodium hydrosulfite or edetate disodium
- Oral liquid [OTC]: 500 mg/5 mL (120, 236, 473 mL); may contain propylene glycol, saccharin, sodium benzoate
- Oral crystals or powder [OTC]: 1 g per 1⁄4 teaspoonful (120 g, 480 g)
- Some products may contain approximately 5 mEq Na/1 g ascorbic acid.
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Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Ascorbic Acid." Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309058/all/Ascorbic_Acid.
Ascorbic Acid. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309058/all/Ascorbic_Acid. Accessed June 1, 2026.
Ascorbic Acid. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309058/all/Ascorbic_Acid
Ascorbic Acid [Internet]. In: Hughes HKH, Kahl LKL, editors. Harriet Lane Handbook. Elsevier; 2024. [cited 2026 June 01]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309058/all/Ascorbic_Acid.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Ascorbic Acid
ID - 309058
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309058/all/Ascorbic_Acid
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

