Hibiscus Extract

Does hibiscus extract work?

Overall Effectiveness Rating for Hibiscus Extract

The overall effectiveness rating for hibiscus extract is 2 out of 3. This rating means there is some evidence that using hibiscus extract may lead to positive results. This rating also means that some evidence does not back up all claims. Below you can find individual ratings for specific claims.

Overall Confidence Rating for Hibiscus Extract

There are 6 studies in the database on hibiscus extract; the confidence rating is 60. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for hibiscus extract as a whole. There are also individual ratings for the claims below.

Individual Claims

The overall ratings above do no necessarily reflect each claim about hibiscus extract. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

Cardiovascular Health Claims Effectiveness Rating Confidence Rating
lower blood pressure

Recovery Claims Effectiveness Rating Confidence Rating
reduce muscle damage

References

Title of Study
Clinical effects produced by a standardized herbal medicinal product of Hibiscus sabdariffa on patients with hypertension. A randomized, double-blind, lisinopril-controlled clinical trial
Effectiveness and tolerability of a standardized extract from Hibiscus sabdariffa in patients with mild to moderate hypertension: a controlled and randomized clinical trial
Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults
The Effect of Green Tea and Sour Tea (Hibiscus sabdariffa L.) Supplementation on Oxidative Stress and Muscle Damage in Athletes
The effect of green tea and sour tea on blood pressure of patients with type 2 diabetes: a randomized clinical trial
The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes