Magnesium and ascorbic acid supplementation in diabetes mellitus

Area of Science:

• Endocrinology and Metabolism
• Nutritional Science

Background:

• Diabetes mellitus is a chronic metabolic disorder requiring effective management strategies.
• Magnesium (Mg) and ascorbic acid (AA) are essential nutrients with potential roles in metabolic regulation.

Purpose of the Study:

• To investigate the effects of Mg and AA supplementation on metabolic control in diabetic outpatients.
• To differentiate the effects of Mg and AA on insulin-dependent diabetes mellitus (IDDM) and non-insulin-dependent diabetes mellitus (NIDDM) subtypes.

Main Methods:

• A randomized, double-blind, cross-over study involving 56 diabetic outpatients.
• Participants received Mg (600 mg/day) and AA (2 g/day) or placebo over two 90-day treatment periods following a 90-day run-in.
• Outcomes assessed included blood pressure, glycemic control (fasting blood glucose, HbA1c), and blood lipids.

Main Results:

• Mg supplementation significantly decreased systolic and diastolic blood pressure in IDDM subjects (p < 0.05).
• Mg showed no significant effect on glycemic control, lipids, or blood pressure in NIDDM subjects.
• AA supplementation significantly improved glycemic control (fasting blood glucose and HbA1c) in NIDDM subjects (p < 0.05).
• AA also beneficially affected cholesterol and triglyceride levels in NIDDM subjects (p < 0.05).

Conclusions:

• High-dose Mg supplementation may benefit blood pressure in IDDM patients.
• Ascorbic acid supplementation demonstrates potential therapeutic value for glycemic control and lipid profiles in NIDDM patients.
• Further research is warranted to confirm these findings and elucidate underlying mechanisms.