Roselle

Hibiscus Sabdariffa (Roselle or Sour Tea) is a tea where the usually dark colored flowers are used to brew. It appears to inhibit carbohydrate absorption to a degree and appears to be effective in reducing blood pressure.

Quick Answer

What it is

Hibiscus Sabdariffa (Roselle or Sour Tea) is a tea where the usually dark colored flowers are used to brew. It appears to inhibit carbohydrate absorption to a degree and appears to be effective in reducing blood pressure.

Key findings

  • Grade A: Blood Pressure (High Blood Pressure)
  • Grade C: Inflammation (Metabolic Health)
  • Grade D: Apolipoprotein A (High Cholesterol)

Safety

No specific caution or interaction language was detected in the current summary/outcome notes.

ℹ️ Quick Facts: Roselle

Quick Facts: Roselle

  • Best Evidence:Grade A
  • Conditions Studied:5
  • Research Outcomes:28
  • Grade A Findings:1
  • Key Effect:High Blood Pressure
Outcomes by grade:
A1
B0
C1
D3
5 conditions Β· 28 outcomes

Detailed Outcomes

|
A
Blood Pressure
Moderate Improvement
5 studies
moderate↓Improves
C
Inflammation
Small Decrease
1 study
small↓Improves
?
Oxidative Stress Biomarkers
1 study
↓Improves
?
Uric Acid
1 study
↓Improves
D
Apolipoprotein A
No effect
1 study
none
?
Triglycerides
3 studies
↓Improves
?
High-density lipoprotein (HDL)
2 studies
↑Improves
?
Low-density lipoprotein (LDL)
2 studies
↓Improves
?
Total cholesterol
2 studies
↓Improves
?
Weight
2 studies
↓Improves
?
Apolipoprotein B
1 study
↓Improves
?
Blood glucose
1 study
↓Improves
D
Apolipoprotein A
No effect
1 study
none
?
Blood Pressure
2 studies
↓Improves
?
Apolipoprotein B
1 study
↓Improves
?
High-density lipoprotein (HDL)
1 study
↑Improves
?
Low-density lipoprotein (LDL)
1 study
↓Improves
?
Total cholesterol
1 study
↓Improves
?
Triglycerides
1 study
↓Improves
D
Blood glucose
No effect
1 study
none
?
Blood Pressure
1 study
↓Improves
?
High-density lipoprotein (HDL)
1 study
↑Improves
?
Kidney Function
1 study
↑Improves
?
Liver Enzymes
1 study
↑Worsens
?
Low-density lipoprotein (LDL)
1 study
↓Improves
?
Total cholesterol
1 study
↓Improves
?
Triglycerides
1 study
↓Improves
?
Urea
1 study
↑Improves

Research Citations (11)

An evaluation of the hypolipidemic effect of an extract of Hibiscus Sabdariffa leaves in hyperlipidemic Indians: a double blind, placebo controlled trial
PMID: 20553629
Therapeutic use Hibiscus sabadariffa extract in the treatment of hypercholesterolemia. A randomized clinical trial
PMID: 22185846
Effects of sour tea (Hibiscus sabdariffa) on lipid profile and lipoproteins in patients with type II diabetes
PMID: 19678781
Effects of Hibiscus sabdariffa extract powder and preventive treatment (diet) on the lipid profiles of patients with metabolic syndrome (MeSy)
PMID: 19962289
The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes
PMID: 18685605
The effect of sour tea (Hibiscus sabdariffa) on essential hypertension
PMID: 10404421
Clinical effects produced by a standardized herbal medicinal product of Hibiscus sabdariffa on patients with hypertension. A randomized, double-blind, lisinopril-controlled clinical trial
PMID: 17315307
Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial
PMID: 15330492
Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults
PMID: 20018807
Consumption of Hibiscus sabdariffa L. aqueous extract and its impact on systemic antioxidant potential in healthy subjects
PMID: 22331521

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Roselle

5 shared conditions Β· 28 outcomes

Hibiscus Sabdariffa (Roselle or Sour Tea) is a tea where the usually dark colored flowers are used to brew. It appears to inhibit carbohydrate absorption to a degree and appears to be effective in reducing blood pressure.