Roasted Black Bean, Black Mulberry & Licorice Tea

What studies say about the key ingredients

Traditional use is not the same as clinical proof. Here is the strongest human research we found for each ingredient, limitations included.

• Black soybeans · Randomized controlled trial, 100 participants · 2013
  Systolic blood pressure fell more in the black soy peptide group (-9.69 mm Hg) than in the placebo group (-2.91 mm Hg) after baseline adjustment. Plasma malondialdehyde decreased and superoxide dismutase activity increased compared with placebo.Limitation: Used an isolated peptide supplement rather than whole black soybeans, and followed participants for only 8 weeks, so the results may not apply to food intake.PubMed 23924691
• Mulberries · Randomized controlled trial, 24 participants · 2017
  Post-prandial self-monitored glucose was lower than placebo (18.2%), but A1C did not differ between mulberry leaf extract and placebo. Serum creatinine rose about 15% in the extract group.Limitation: Small pilot: only 17 of 24 enrolled participants completed the study, limiting statistical power.PubMed 28619294 · 3 more mulberries studies
• Licorice root · Randomized controlled trial, 66 participants · 2024
  Compared with placebo plus the same low-calorie diet, licorice extract was associated with greater improvements in body weight, BMI, body fat, lipid profile, fasting glucose, insulin and HOMA-IR at 8 weeks.Limitation: Small sample, short 8-week duration, and an extract dose that is not comparable to licorice eaten as food; the authors call for confirmatory research.PubMed 39080737 · 3 more licorice root studies

From the Nourilo Research Library. Findings come from specific doses, extracts and populations and may not apply to a home-cooked recipe.