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Efficacy of cinnamon in reducing anthropometric measurements in individuals with type 2 diabetes: a clinical trial.

  • 2025-07-11
  • Revista brasileira de enfermagem 78(3)
    • José Cláudio Garcia Lira Neto
    • Márcio Flávio Moura de Araújo
    • Jardeliny Corrêa da Penha
    • Maria Augusta Rocha Bezerra
    • Bruna Karen Cavalcante Fernandes
    • Thatiana Araújo Maranhão
    • José Wicto Pereira Borges
    • Marta Maria Coêlho Damasceno

Study Design

Type
Randomized Controlled Trial (RCT)
Sample size
n = 140
Population
140 participants, divided into an experimental group (n = 71) and a control group (n = 69) with type 2 diabetes
Methods
randomized, triple-blind, placebo-controlled clinical trial; experimental group consumed 3 g/day of encapsulated cinnamon
Blinding
Triple-blind
Duration
90 days
Funding
Unclear
  • Large Human Trial

Objectives

to evaluate the effectiveness of cinnamon (Cinnamomum verum) in reducing anthropometric measurements in individuals with type 2 diabetes.

Methods

a randomized, triple-blind, placebo-controlled clinical trial was conducted with 140 participants, divided into an experimental group (n = 71) and a control group (n = 69). The experimental group consumed 3 g/day of encapsulated cinnamon for 90 days. Anthropometric variables were measured at baseline and at the end of the study, with intra-group comparisons performed using a paired t-test.

Results

the majority of participants were women (69.2%) with a mean age of 61 years. Reductions were observed in weight (-0.8 kg, p =0.11), body mass index (-0.36 kg/m2, p =0.16), body adiposity index (-1.02%, p =0.38), waist circumference (-3.97 cm, p =0.67), neck circumference (-0.45 cm, p = 0.68), and hip circumference (-1.83 cm, p =0.49), none of which were statistically significant (p > 0.05).

Conclusions

cinnamon supplementation resulted in reductions in anthropometric measurements compared to placebo, but these differences were not statistically significant.

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