Table 3.
Summary of the effect of randomized studies of dietetic therapy on PCOS outcomes.
| Authors (year) | Design | Form and composition | Interventions | Duration of study | Results | References |
|---|---|---|---|---|---|---|
| Liu et al., 2017 | RCT | POT: Radix Astragali seu Hedysari + Rhizoma Polygonati + Rhizoma Dioscoreae + Herba Dendrobii + Radix Morindae Officinalis + equal | Treatment arm: oral warm nest pot + letrozole Control arm: letrozole |
3 months | Markedly improved (24) Moderately improved (8) Ineffective (5) Overall efficacy: 87.18% Ovulation rate level increased; menstrual cyclicity improved |
[156] |
| Liu et al., 2019 | RCT | Porridge and Tea: (1) Poria Rhizoma Dioscoreae Porridge: Poria Rhizoma + Dioscoreae + rice (2) Pericarpium Citri Reticulatae Fructus Hordei Germinatus Porridge: Pericarpium Citri Reticulatae + Fructus Hordei Germinatus + rice (3) Fructus Lycii Rhizoma Dioscoreae Porridge: Fructus Lycii + Rhizoma Dioscoreae + rice (4) Fructus Citri Sarcodactylis Pericarpium Citri Reticulatae tea: Fructus Citri Sarcodactylis + Pericarpium Citri Reticulatae + tea (5) Flos Rosae Rugosae Fructus Citri Sarcodactylis tea: Flos Rosae Rugosae + Fructus Citri Sarcodactylis + tea |
Treatment arm: dietotherapy + acupoint embedding therapy Control arm: acupoint embedding therapy |
3 months | Markedly improved (17) Moderately improved (22) Ineffective (4) Overall efficacy: 90.7% |
[157] |
| Tehrani et al., 2017 | RCT/double-blind | Tea: green tea | Treatment arm: tea Control arm: placebo |
12 weeks | Weight and fasting insulin levels decreased; FT levels decreased | [159] |
| Farhadian et al., 2020 | RCT/double-blind | Tea: green tea | Green tea arm: tea Metformin arm: metformin Control arm: placebo |
3 months | BMI, weight, waist circumference, and hip circumference levels decreased | [160] |
| Mombaini et al., 2017 | RCT/double-blind | Tea: green tea | Treatment arm: tea Control arm: placebo |
45 days | BMI, weight, body fat, waist circumference, and hip circumference levels decreased | [161] |
| Grant, 2010 | RCT/double-blind | Tea: spearmint tea | Treatment arm: tea Control arm: placebo herbal tea |
1 month | FT and TT levels decreased; FSH and LH levels increased; hirsutism scored level decreased | [162] |
| Haj-Husein et al., 2016 | RCT/double-blind | Tea: marjoram tea | Treatment arm: tea Control arm: placebo |
1 month | HOMA-IR level decreased; DHEA-S level decreased | [163] |
| Chan et al., 2006 | RCT/double-blind | Tea: Lung Chen tea | Treatment arm: tea Control arm: placebo |
3 months | Weight level decreased; TC level decreased | [164] |