Hibiscus
13 benefits mapped to clinical evidence across supplements.
Dose per serving from products
87 products in our catalogue print how much Hibiscus a serving holds.
Most common: 250 mg to 500 mg, 55% of 87 products.
| Dose per serving | Products |
|---|---|
| 10 mg or less | 3 |
| 10 mg to 25 mg | 2 |
| 25 mg to 50 mg | 18 |
| 50 mg to 100 mg | 2 |
| 100 mg to 250 mg | 11 |
| 250 mg to 500 mg | 48 |
| over 500 mg | 3 |
Dose per serving from research
10 study groups in 10 studies say how much Hibiscus participants took a day.
These are the doses the studies gave. They are not a recommendation.
Most common: 100 mg to 250 mg and 250 mg to 500 mg, 30% of 10 study groups each.
| Daily dose | Study groups |
|---|---|
| 100 mg to 250 mg | 3 |
| 250 mg to 500 mg | 3 |
| 500 mg to 1 g | 1 |
| 1 g to 2.5 g | 1 |
| 2.5 g to 5 g | 0 |
| 5 g to 10 g | 2 |
Benefit Evidence
Research sources
Blood pressure (13)
- A Randomized, Double-Blind, Placebo-Controlled Trial to Determine the Effectiveness of a Polyphenolic Extract (Hibiscus sabdariffa and Lippia citriodora) for Reducing Blood Pressure in Prehypertensive and Type 1 Hypertensive Subjects
PubMed ID: 33810049
Well‑conducted RCT with ambulatory monitoring showing modest daytime SBP reductions with hibiscus+Lippia.
- Clinical effects produced by a standardized herbal medicinal product of Hibiscus sabdariffa on patients with hypertension. A randomized, double-blind, lisinopril-controlled clinical trial
PubMed ID: 17315307
Large double‑blind RCT showing substantial SBP/DBP reductions and ACE inhibition—very strong BP evidence.
- Effects of aqueous extract of Hibiscus sabdariffa on the renin-angiotensin-aldosterone system of Nigerians with mild to moderate essential hypertension: A comparative study with lisinopril
PubMed ID: 26600645
Randomized trial in hypertensive Nigerians showed significant SBP lowering and large aldosterone reduction (~32%).
- Hibiscus sabdariffa extract inhibits obesity and fat accumulation, and improves liver steatosis in humans
PubMed ID: 24549255
Weight/body‑fat reductions may indirectly benefit blood pressure; direct BP change not primary outcome reported.
- Effect of Hibiscus sabdariffaon blood pressure and electrolyte profile of mild to moderate hypertensive Nigerians: A comparative study with hydrochlorothiazide
PubMed ID: 26289514
Hibiscus drink lowered SBP/DBP and reduced serum sodium in mild–moderate hypertensives.
- Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults
PubMed ID: 20018807
Double‑blind RCT demonstrated ~7 mmHg SBP reduction vs placebo over 6 weeks.
- The effect of sour tea (Hibiscus sabdariffa) on essential hypertension
PubMed ID: 10404421
Study reported ~10–11% falls in SBP and DBP over ~12 days in essential hypertension.
- The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes
PubMed ID: 18685605
Diabetic hypertensive patients experienced large SBP reductions (~21.7 mmHg) with sour hibiscus tea.
- The effect of green tea and sour tea on blood pressure of patients with type 2 diabetes: a randomized clinical trial
PubMed ID: 23725524
Three cups/day for 4 weeks modestly lowered SBP and DBP in mildly hypertensive type 2 diabetics.
- Evaluation of the effects of roselle (Hibiscus sabdariffa L.) on oxidative stress and serum levels of lipids, insulin and hs-CRP in adult patients with metabolic syndrome: a double-blind placebo-controlled clinical trial
PubMed ID: 26982618
500 mg calyx powder produced a small but significant SBP reduction in metabolic‑syndrome patients.
- Clinical efficacy of African traditional medicines in hypertension: A randomized controlled trial with Combretum micranthum and Hibiscus sabdariffa
PubMed ID: 29311704
Bissap capsules lowered SBP by ~11.2 mmHg and increased urine sodium, demonstrating antihypertensive effects.
- Antihypertensive efficacy and safety of a standardized herbal medicinal product of Hibiscus sabdariffa and Olea europaea extracts (NW Roselle): A phase-II, randomized, double-blind, captopril-controlled clinical trial
PubMed ID: 32725873
Phase‑II trial: hibiscus+olive‑leaf produced BP reductions similar to captopril over 8 weeks—highly relevant.
- Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial
PubMed ID: 15330492
RCT showing ~15 mmHg SBP reduction with natriuresis and high responder rate—strongest direct BP evidence.
Blood circulation (10)
- A Randomized, Double-Blind, Placebo-Controlled Trial to Determine the Effectiveness of a Polyphenolic Extract (Hibiscus sabdariffa and Lippia citriodora) for Reducing Blood Pressure in Prehypertensive and Type 1 Hypertensive Subjects
PubMed ID: 33810049
Modest ambulatory daytime SBP reduction with combined hibiscus+Lippia extract—moderate circulatory effect.
- Clinical efficacy of African traditional medicines in hypertension: A randomized controlled trial with Combretum micranthum and Hibiscus sabdariffa
PubMed ID: 29311704
Bissap capsules produced clinically meaningful BP reductions and natriuresis, supporting circulatory effects.
- Does consumption of an aqueous extract of Hibscus sabdariffa affect renal function in subjects with mild to moderate hypertension?
PubMed ID: 27221151
Increased urine output and creatinine clearance suggest renal effects that can influence circulation.
- Improvement on blood pressure and skin using roselle drink: A clinical trial
PubMed ID: 35758855
BP reductions reported in 6-month study in healthy adults; supports circulatory benefits.
- Effects of aqueous extract of Hibiscus sabdariffa on the renin-angiotensin-aldosterone system of Nigerians with mild to moderate essential hypertension: A comparative study with lisinopril
PubMed ID: 26600645
Hypertensive trial showed BP lowering and reductions in ACE/aldosterone consistent with improved circulatory physiology.
- [Therapeutic use Hibiscus sabadariffa extract in the treatment of hypercholesterolemia. A randomized clinical trial]
PubMed ID: 22185846
Demonstrated triglyceride lowering (beneficial for circulation) though less effect on total cholesterol.
- Clinical effects produced by a standardized herbal medicinal product of Hibiscus sabdariffa on patients with hypertension. A randomized, double-blind, lisinopril-controlled clinical trial
PubMed ID: 17315307
Large RCT showed clinically meaningful SBP/DBP reductions and ACE inhibition—supports improved vascular function.
- Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial
PubMed ID: 15330492
RCT with ~15 mmHg SBP reduction and natriuresis—strong evidence for improved hemodynamics.
- Standardized Hibiscus-Inulin Shot Lowers Lipid-Glucose Indices in Adults with Overweight and Obesity: 8-Week Randomized Trial
PubMed ID: 41305605
Improved AIP/TyG indices (atherogenic/metabolic coupling) which relate to vascular risk.
- Antihypertensive efficacy and safety of a standardized herbal medicinal product of Hibiscus sabdariffa and Olea europaea extracts (NW Roselle): A phase-II, randomized, double-blind, captopril-controlled clinical trial
PubMed ID: 32725873
Phase‑II trial: hibiscus+olive‑leaf lowered BP similar to captopril and reduced triglycerides—supports circulation benefits.
Heart health (10)
- [Therapeutic use Hibiscus sabadariffa extract in the treatment of hypercholesterolemia. A randomized clinical trial]
PubMed ID: 22185846
Consistent triglyceride lowering observed—beneficial for cardiovascular risk though less effect on total cholesterol.
- Effects of aqueous extract of Hibiscus sabdariffa on the renin-angiotensin-aldosterone system of Nigerians with mild to moderate essential hypertension: A comparative study with lisinopril
PubMed ID: 26600645
BP lowering with ACE/aldosterone reductions supports cardiovascular benefits in hypertensive patients.
- Antidyslipidemic, Antioxidant, and Anti-inflammatory Effects of Jelly Drink Containing Polyphenol-Rich Roselle Calyces Extract and Passion Fruit Juice with Pulp in Adults with Dyslipidemia: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 36187334
LDL‑C and TG reductions (−16% and −17%) in dyslipidemic adults indicate improved cardiac risk profile (combination product).
- Effects of sour tea (Hibiscus sabdariffa) on lipid profile and lipoproteins in patients with type II diabetes
PubMed ID: 19678781
Sour hibiscus tea produced significant increases in HDL and decreases in LDL/TG in type II diabetics.
- Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults
PubMed ID: 20018807
Double‑blind RCT showed ~7 mmHg SBP reduction in pre/mild hypertension, relevant to cardiac risk lowering.
- Differential effects of a combination of Hibiscus sabdariffa and Lippia citriodora polyphenols in overweight/obese subjects: A randomized controlled trial
PubMed ID: 30816148
Combination product lowered systolic BP markedly, contributing to heart‑health benefit.
- Antihypertensive efficacy and safety of a standardized herbal medicinal product of Hibiscus sabdariffa and Olea europaea extracts (NW Roselle): A phase-II, randomized, double-blind, captopril-controlled clinical trial
PubMed ID: 32725873
BP lowering comparable to captopril in a randomized trial and triglyceride reduction—favors heart health.
- Standardized Hibiscus-Inulin Shot Lowers Lipid-Glucose Indices in Adults with Overweight and Obesity: 8-Week Randomized Trial
PubMed ID: 41305605
Reduction in AIP/TyG (atherogenic/metabolic indices) suggests improved cardiometabolic risk profile.
- Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial
PubMed ID: 15330492
Marked SBP reduction and natriuretic effect—beneficial for cardiac workload and blood volume.
- Clinical effects produced by a standardized herbal medicinal product of Hibiscus sabdariffa on patients with hypertension. A randomized, double-blind, lisinopril-controlled clinical trial
PubMed ID: 17315307
Significant SBP/DBP reductions and ACE activity inhibition—directly relevant to cardiovascular protection.
Metabolism (9)
- Evaluation of the effects of roselle (Hibiscus sabdariffa L.) on oxidative stress and serum levels of lipids, insulin and hs-CRP in adult patients with metabolic syndrome: a double-blind placebo-controlled clinical trial
PubMed ID: 26982618
500 mg calyx powder reduced TG and slightly lowered SBP in metabolic‑syndrome patients.
- Hibiscus and lemon verbena polyphenols modulate appetite-related biomarkers in overweight subjects: a randomized controlled trial
PubMed ID: 29862395
Hibiscus + lemon‑verbena increased GLP‑1 and decreased ghrelin, suggesting appetite/metabolic hormone modulation.
- Differential effects of a combination of Hibiscus sabdariffa and Lippia citriodora polyphenols in overweight/obese subjects: A randomized controlled trial
PubMed ID: 30816148
Hibiscus + lemon‑verbena combo produced greater weight, BP and body‑fat reductions than placebo over 2 months.
- Antihypertensive efficacy and safety of a standardized herbal medicinal product of Hibiscus sabdariffa and Olea europaea extracts (NW Roselle): A phase-II, randomized, double-blind, captopril-controlled clinical trial
PubMed ID: 32725873
Modest triglyceride decrease observed in hibiscus+olive‑leaf trial—some metabolic benefit.
- Standardized Hibiscus-Inulin Shot Lowers Lipid-Glucose Indices in Adults with Overweight and Obesity: 8-Week Randomized Trial
PubMed ID: 41305605
RCT showed significant improvements in AIP and TyG (lipid–glucose indices), indicating metabolic modulation.
- [Therapeutic use Hibiscus sabadariffa extract in the treatment of hypercholesterolemia. A randomized clinical trial]
PubMed ID: 22185846
Randomized trial found consistent triglyceride reductions—relevant to metabolic health.
- Hibiscus sabdariffa extract inhibits obesity and fat accumulation, and improves liver steatosis in humans
PubMed ID: 24549255
Overweight adults had reduced weight/body fat, lower free fatty acids and improved fatty liver—metabolic benefit.
- Antidyslipidemic, Antioxidant, and Anti-inflammatory Effects of Jelly Drink Containing Polyphenol-Rich Roselle Calyces Extract and Passion Fruit Juice with Pulp in Adults with Dyslipidemia: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 36187334
Combination product reduced LDL/TG and oxidative stress in dyslipidemic adults.
- Effects of sour tea (Hibiscus sabdariffa) on lipid profile and lipoproteins in patients with type II diabetes
PubMed ID: 19678781
Sour hibiscus tea improved HDL and lowered LDL/TG in type II diabetic patients.
Hydration (6)
- Hibiscus Collagen Alternative (VC-H1) as an Oral Skin Rejuvenating Agent: A 12-Week Pilot Study
PubMed ID: 40806423
Improved skin hydration and reduced TEWL indicate topical/skin hydration benefits after oral supplementation.
- Effect of Hibiscus sabdariffaon blood pressure and electrolyte profile of mild to moderate hypertensive Nigerians: A comparative study with hydrochlorothiazide
PubMed ID: 26289514
Serum sodium reductions observed with hibiscus consumption support fluid/electrolyte effects.
- Does consumption of an aqueous extract of Hibscus sabdariffa affect renal function in subjects with mild to moderate hypertension?
PubMed ID: 27221151
RCT showed increased urine volume and improved creatinine clearance consistent with diuretic/natriuretic action.
- Clinical efficacy of African traditional medicines in hypertension: A randomized controlled trial with Combretum micranthum and Hibiscus sabdariffa
PubMed ID: 29311704
Bissap increased urinary sodium excretion (natriuresis) alongside BP lowering.
- Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial
PubMed ID: 15330492
Observed natriuretic effect (increased urinary sodium) in RCT supports mild diuretic/fluid‑balance action.
- Effects of aqueous extract of Hibiscus sabdariffa on the renin-angiotensin-aldosterone system of Nigerians with mild to moderate essential hypertension: A comparative study with lisinopril
PubMed ID: 26600645
Large aldosterone reductions imply effects on sodium/water handling and fluid balance.
Weight management (4)
- Differential effects of a combination of Hibiscus sabdariffa and Lippia citriodora polyphenols in overweight/obese subjects: A randomized controlled trial
PubMed ID: 30816148
Hibiscus + Lippia product produced substantial weight and body‑fat reductions versus placebo in a 2‑month RCT.
- Hibiscus and lemon verbena polyphenols modulate appetite-related biomarkers in overweight subjects: a randomized controlled trial
PubMed ID: 29862395
Hibiscus + lemon‑verbena increased satiety hormones and decreased ghrelin, supporting appetite modulation linked to weight control.
- Hibiscus sabdariffa extract inhibits obesity and fat accumulation, and improves liver steatosis in humans
PubMed ID: 24549255
Randomized human trial in overweight subjects showed reductions in body weight, BMI and body fat over 12 weeks.
- Effectiveness of a polyphenolic extract (Lippia citriodora and Hibiscus sabdariffa) on appetite regulation in overweight and obese grade I population: an 8-week randomized, double-blind, cross-over, placebo-controlled trial
PubMed ID: 34591168
60‑day RCT: increased satiety, lower appetite AUC, and ~75 kcal lower ad‑libitum intake—strong support for weight‑management aid.
Antioxidant (3)
- Antidyslipidemic, Antioxidant, and Anti-inflammatory Effects of Jelly Drink Containing Polyphenol-Rich Roselle Calyces Extract and Passion Fruit Juice with Pulp in Adults with Dyslipidemia: A Randomized, Double-Blind, Placebo-Controlled Trial
PubMed ID: 36187334
Jelly drink (hibiscus + passion fruit) decreased MDA and increased GSH vs placebo.
- Improvement on blood pressure and skin using roselle drink: A clinical trial
PubMed ID: 35758855
6-month trial reported increases in serum phenolics, TEAC, GSH and antioxidant enzymes.
- The Effect of Green Tea and Sour Tea (Hibiscus sabdariffa L.) Supplementation on Oxidative Stress and Muscle Damage in Athletes
PubMed ID: 27736246
RCT in athletes showed reduced MDA and increased TAC with hibiscus extract.
Skin appearance (2)
- Hibiscus Collagen Alternative (VC-H1) as an Oral Skin Rejuvenating Agent: A 12-Week Pilot Study
PubMed ID: 40806423
Well‑powered RCT reported improved skin hydration, reduced TEWL and decreased wrinkle depth over 12 weeks.
- Improvement on blood pressure and skin using roselle drink: A clinical trial
PubMed ID: 35758855
Six‑month roselle drink increased facial skin moisture and redness in healthy adults.
Relaxation (2)
- Xyloglucan + Gelose Combination versus Placebo as Adjuvant Therapy to First-Line Antimicrobials for Uncomplicated Urinary Tract Infection in Adults
PubMed ID: 30889607
Adjunct xyloglucan/gelose product containing hibiscus markedly improved urinary symptoms and reduced recurrence when added to antibiotics.
- L-Methionine associated with Hibiscus sabdariffa and Boswellia serrata extracts are not inferior to antibiotic treatment for symptoms relief in patients affected by recurrent uncomplicated urinary tract infections: Focus on antibiotic-sparing approach
PubMed ID: 29974725
Phytotherapy with hibiscus-containing combo provided symptom relief comparable to antibiotics for recurrent UTI (short term).
Detoxification (1)
- Does consumption of an aqueous extract of Hibscus sabdariffa affect renal function in subjects with mild to moderate hypertension?
PubMed ID: 27221151
Increased urine volume and creatinine clearance consistent with diuretic/natriuretic effects that can aid excretion.
Oral health (1)
- The Efficacy of a Dietary Supplement with Carnosine and Hibiscus Sabdariffa L. (AqualiefTM) in Patients with Xerostomia: a Randomized, Placebo-Controlled, Double-Blind Trial
PubMed ID: 32614361
Randomized trial in xerostomia patients showed large increases in unstimulated and stimulated saliva and higher saliva pH.
Immune support (1)
- Xyloglucan + Gelose Combination versus Placebo as Adjuvant Therapy to First-Line Antimicrobials for Uncomplicated Urinary Tract Infection in Adults
PubMed ID: 30889607
Hibiscus-containing medical device as antibiotic adjunct greatly reduced bacteriological recurrence and symptoms (multi‑ingredient device).
Liver support (1)
- Hibiscus sabdariffa extract inhibits obesity and fat accumulation, and improves liver steatosis in humans
PubMed ID: 24549255
Study reported anatomic improvement in liver steatosis in overweight adults after hibiscus supplementation.
Similar by evidence
Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.
Products with Hibiscus
Search all223 products whose verified label declares Hibiscus — not every bottle that mentions it in a title.