What does this research mean for the field?

Combining progressive resistance training with vitamin D supplementation produces greater improvements in glycemic control, insulin sensitivity, calcitonin secretion, muscular strength, and lipid metabolism than either intervention alone in elderly women with type 2 diabetes and vitamin D deficiency. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To determine whether combining progressive resistance training with vitamin D supplementation yields greater cardiometabolic and functional improvements than either therapy alone in older women with type 2 diabetes and vitamin D deficiency.

August 22, 2026MetabolitesOpen Access

Combined Effects of Combined Resistance Exercise and Vitamin D Supplementation on Cardiometabolic Profiles and Functional Capacities in Elderly Women with Type 2 Diabetes

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Authors

HKHyoung-Jun KimKyungpook National University DYDeok-Su YooKyung Hee University MLMan-Gyoon LeeKyung Hee University

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Implication

Randomized trial demonstrates improved glycemic control, lipid profiles, and muscle strength in older women with type 2 diabetes, indicating synergistic benefits of combined therapy.

Key Points

To determine whether combining progressive resistance training with vitamin D supplementation yields greater cardiometabolic and functional improvements than either therapy alone in older women with type 2 diabetes and vitamin D deficiency.
Conducted a 12-week randomized controlled trial utilizing a 2 × 2 factorial design in Korea.
Assigned 52 women aged 65–80 years with type 2 diabetes and serum 25(OH)D < 20 ng/mL to Exercise + Vitamin D (n = 15), Exercise + Placebo (n = 13), Vitamin D only (n = 11), or Control (n = 13).
Interventions included supervised progressive resistance training 3 times per week and oral cholecalciferol at 2000 IU/day.
The Exercise + Vitamin D group experienced significant reductions in HbA1c (−0.13%, p = 0.019), fasting glucose (−0.79 mmol/L, p < 0.001), insulin (−1.96 μU/mL, p = 0.050), and HOMA-IR (−0.77, p = 0.020), with serum 25(OH)D increasing by +15.57 ng/mL (p < 0.001).
Calcitonin rose exclusively in the combined group (+2.57 pg/mL, p < 0.001, d = 3.34), accompanied by significant reductions in total cholesterol (−23.93 mg/dL), triglycerides (−25.07 mg/dL), and LDL-cholesterol (−10.20 mg/dL).
Both exercise groups demonstrated marked improvements in chair stand performance (+8.33 to +10.00 repetitions, p < 0.001) and functional reach balance (+2.47 to +4.46 cm, p ≤ 0.033).

Cite This Study

Kim et al. (2026) studied this question.

synapsesocial.com/papers/6a895f53ca7ade938187dd36 https://doi.org/10.3390/metabo16080593

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Implication

Randomized trial demonstrates improved glycemic control, lipid profiles, and muscle strength in older women with type 2 diabetes, indicating synergistic benefits of combined therapy.

Combined Effects of Combined Resistance Exercise and Vitamin D Supplementation on Cardiometabolic Profiles and Functional Capacities in Elderly Women with Type 2 Diabetes

Discussion

Member takes

Implication

Key Points

Cite This Study

Combined Effects of Combined Resistance Exercise and Vitamin D Supplementation on Cardiometabolic Profiles and Functional Capacities in Elderly Women with Type 2 Diabetes

Discussion

Member takes

Implication

Key Points

Cite This Study

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