Effect of Vitamin C Supplementation on HbA1c in Type 2 Diabetic Patients

Effect of Vitamin C Supplementation on Glycemic Control in Type 2 Diabetic Patients: a Double-blind randomized controlled trial, Egypt.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202006610508575

Enrollment

Registered

2020-06-09

Start date

2018-04-01

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nutritional, Metabolic, Endocrine

Interventions

Vitamin c

placebo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1- Adults with type 2 diabetes (30-60) 2- Diabetics on non-insulin pharmacologic agents. 3- With HbAlc concentrations of >7 % according to glycemic targets in ADA 2020

Exclusion criteria

Exclusion criteria: 1- Patients Enrolled in another research study and receiving another modality. 2- Type 1 diabetics and type 2 on insulin. 3- Pregnant or lactating women. 4- Postmenauposal women. 5- Known Severe or uncontrolled cardiovascular disease. 6- Patients with a known history of cognitive impairment interfering with treatment compliance.

Design outcomes

Primary

Measure	Time frame
- HbA1c was measured on 12th weeks of the therapy and compared to the pre-intervention level.	—

Secondary

Measure	Time frame
body mass index	—

Countries

Egypt

Contacts

Public Contactmohammed mohammedy

professor in suez canal university

mmohamedy515@gmail.com01275514525

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026