Vitamin / antioxidant

Ascorbic acid

Prepared by the ezGLP team. Sources last checked September 5, 2026.

Also known as Vitamin C

Routes represented in the knowledgebase: Oral / Other / unspecified.

Educational overview

Oral supplement; FDA-approved IV use is limited to short-term scurvy treatment when oral therapy is not possible or sufficient.

Category: Vitamin / antioxidant
Routes represented: Oral / Other / unspecified
Storage context: Follow the product or pharmacy label; requirements vary by route and formulation.

Authoritative overview

Published literature

No validated PubMed or DOI link is currently curated for this entry.

Safety evidence

Common or reported: diarrhea, nausea, abdominal cramps.

Serious or important: kidney-stone or oxalate risk in susceptible people, IV oxalate nephropathy and laboratory interference.

IV risks should not be generalized to ordinary oral use.

Safety evidence source

Interaction evidence

These are general, pairwise evidence notes. Green identifies the potential-synergy category, while Lv3/Lv2/Lv1 communicates evidence strength; it does not guarantee benefit or cancel a safety warning.

With oral nonheme iron

Complementary evidenceLv3

Vitamin C can increase the absorption and bioavailability of nonheme iron.

Interaction evidence source

Summarised from published literature for reference only, with citations to the source. Evidence is graded as reported and is not a recommendation to combine, dose, or use any compound.

For personal tracking and education only. Not medical advice, diagnosis, or treatment, and not a medical device. Peptides may be prescription-only or unapproved where you live — consult a licensed healthcare professional.