1. Soumya D, Srilatha B. Late stage complications of diabetes and insulin resistance. J Diabetes Metab 2011; 2: 167.
2.
American Diabetes Association. Classification and Diagnosis of Diabetes: Standards of Medical Care in Diabetes – 2019. Diabetes Care 2019; 42(Suppl. 1): S13–S28.
3.
International Diabetes Federation. Diabetes atlas. 8th ed. 2017 [cited 23.02.2019]. Available from URL: www.diabetesatlas.org.
4.
World Health Organization. Burden: mortality, morbidity and risk factors. Global status report on non-communicable diseases. 2010; 1: 9–31 [cited 16.10.2019]. Available from URL: http://www.who.int/nmh/publications/ncd_profiles_report.
5.
Ranasinghe P, Jayawardena R, Pigera A, et al. Zinc supplementation in pre-diabetes: study protocol for a randomized controlled trials. Biomedcentral 2013; 14: 52.
6.
Brown JB, Harris SB, Webster-Bogaert S, et al. The role of patient, physician and systemic factors in the management of type 2 diabetes mellitus. Fam Pract 2002; 19(4): 344–349.
7.
El-Mesallamy H, Suwailem S, Hamdy N . Evaluation of C-reactive protein, endothelin-1, adhesion molecule (s), and lipids as inflammatory markers in type 2 diabetes mellitus patients. Mediators Inflamm 2007; 2007: 1–7.
8.
Alamdari DH, Paletas K, Pegiou T, et al. A novel assay for the evaluation of the prooxidant–antioxidant balance, before and after antioxidant vitamin administration in type II diabetes patients. Clin Biochem 2007; 40(3–4): 248–254.
9.
Bonnefont-Rousselot D, Bastard JP, Jaudon MC, et al. Consequences of the diabetic status on the oxidant/antioxidant balance. Diabetes Metab 2000; 26(3): 163–176.
10.
Bianchi C, Miccoli R, Daniele G, et al. Is there evidence that oral hypoglycemic agents reduce cardiovascular morbidity/mortality? Yes. Diabetes Care 2009; 32(2): 342–348.
11.
Ronchetti P, Quaglino D, Bergamini G. Ascorbic acid and connective tissue. Subcell Biochem 1996; 25: 249–264.
12.
Mandl J, Szarka A, Banhegyi G. Vitamin C: update on physiology and pharmacology. Br J Pharmacol 2009; 157(7): 1097–1110.
13.
Fadupin G, Akpoghor A, Okunade KA. A comparative study of serum ascorbic acid level in people with and without type 2 diabetes in Ibadan, Nigeria. Afr J Med Sci 2007; 36: 335–339.
14.
Afkhami A, Shojaoddiny A. Effect of vitamin C on blood glucose, serum lipids & serum insulin in type 2 diabetes patients. Indian J Med Res 2007; 126(5): 471–474.
15.
Stankova L, Riddle M, Larned J. Plasma ascorbate concentrations and blood cell dehydroascorbate transport in patients with diabetes mellitus. Metabolism 1984; 33(4): 347–353.
16.
Rumsey S, Kwon O, Burant CF, et al. Glucose transporter isoforms GLUT1 and GLUT3 transport dehydroascorbic acid. J Biol Chem 1997; 272(30): 18982–18989.
17.
Vera J, Rivas C, Fischbarg J, et al. Mammalian facilitative hexose transporters mediate the transport of dehydroascorbic acid. Nature Rev 1993; 364(6432): 79–82.
18.
Verlangieri A, Sestito J. Effect of insulin on ascorbic acid uptake by heart endothelial cells: possible relationship to retinal atherogenesis. Life Sci 1981; 29(1): 5–9.
19.
Sargeant LA, Wareham NJ, Bingham S, et al. Vitamin C and hyperglycemia in the European prospective investigation into cancer – Norfolk (EPIC-Norfolk) study. Diabetes Care 2000; 23: 726–732.
20.
Dakhale G, Chaudhari H, Shrivastava M. Supplementation of Vitamin C reduces blood glucose and improves glycosylated hemoglobin in type 2 diabetes mellitus: a randomized, double-blind study. Adv Pharmacol Sci 2011; 10: 1155, doi: 10.1155/2011/195271.
21.
Kotb A, Al Azzam K. Effect of vitamin C on blood glucose and glycosylated hemoglobin in type II diabetes mellitus. World Journal of Analytical Chemistry 2015; doi: 10.12691/wjac-3-1A-2.
22.
Momo C, Fuh N, Ines G, et al. Anti-oxidant properties and α amylase inhibition of Terminalia Superba, Albizia sp, Cola nitida, Cola odorata and Harungana madagascarensis used in management of diabetes in Cameroon. J Health Sci 2009; 55(5); 732–738.
23.
Sanguanwong S, Tangvarasittichai O, Sengsuk C, et al. Oral supplementation of vitamin C reduced lipid peroxidation and insulin resistance in patients with type 2 diabetes mellitus. Int J Toxicol Pharmacol Res 2016; 8: 114–119.
24.
Gillani SW, Sulaiman SAS, Abdul MIM, et al. Combined effect of metformin with ascorbic acid versus acetyl salicylic acid on diabetes related cardiovascular complication; a 12-month single blind multicenter randomized control trial. Cardiovasc Diabetol 2017; 16: 103.
25.
El-Aal AA, El-Ghffar EAA, Ghali AA, et al. The effect of vitamin C and/or E supplementations on type 2 diabetic adult males under metformin treatment: a single blinded randomized controlled clinical trial. Diabetes Metab Syndr 2018; 12(4): 483–489.
26.
Bhatt JK, Thomas S, Nanjan M. Effect of oral supplementation of vitamin C on glycemic control and lipid profile in patients with type 2 diabetes mellitus. Int J Phar Pharm Sci 2012; 4(2): 524–527.
27.
Ghaffari P, Nadiri M, Gharib A, et al. The effects of vitamin C on diabetic patients. Der Pharmacia Lettre 2015; 7(10): 68–71.
28.
Ragheb SR, Nasr MS, Sabri NA, et al. Impact of Rutin and Vitamin C combination on oxidative stress and glycemic control in patients with type 2 diabetes. Clin Nutr ESPEN 2020; 35: 128–135.
29.
Lu Q, Björkhem I, Wretlind B, et al. Effect of ascorbic acid on microcirculation in patients with type II diabetes: a randomized placebo controlled cross-over study. Clin Sci (Lond) 2005; 108: 507–513.
30.
Kunsongkeit P, Okuma N, Rassameemasmaung S, et al. Effect of vitamin C as an adjunct in nonsurgical periodontal therapy in uncontrolled type 2 diabetes mellitus patients. Eur J Dent 2019; 13: 444–449.
31.
Foroghi M, Ghatre Samani K, Heidarian E, et al. Study effects of resveratrol, cuminum cyminum, essence and vitamin C on blood sugar, lipid, insulin resistance and advanced glycated end products (AGEs) in type 2 diabetic patients. Iran J Endocrinol Metab 2018; 20: 169–176.
32.
Mason S, Rasmussen B, Luc JC, et al. Ascorbic acid supplementation improves postprandial glycaemic control and blood pressure in individuals with type 2 diabetes: findings of a randomized cross-over trial. Diabetes Obes Metab 2019; 21: 674–682.
33.
Eriksson J, Kohvakka A, Kagan VE, et al. Effects of supplementation with vitamin C or E on albuminuria, glomerular IGF-β and glomerular size in diabetics. J Am Soc Nephrol 1997; 89(9): 1405–1414.
34.
Davie SJ, Gould BJ, Yudkin JS. Effect of vitamin C on glycosylation of proteins. Diabetes 1992; 41(2): 167–173.
35.
Szaleczky E, Prechl J, Ruzicska E, et al. Reduction of glycated hemoglobin levels by long term, high dose ascorbic acid supplementation in healthy and diabetic patients. Med Sci Monit 1998; 4(2): 241–244.