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Summary of Bulbine natalensis
Primary information, health benefits, side effects, usage, and other important details
Bulbine Natalensis is an herb from Southern and South Eastern Africa that has traditionally been used as an aphrodisiac as well as some other beneficial properties. Due to its influences on cognition and sexuality, it is currently being investigated for its effects on testosterone.
Three separate rat studies looking at serum testosterone levels note significant increases in circulating testosterone, and one study noted a decrease in estrogen levels as well. That being said, adverse effects have been reported on both the liver and kidneys with the exact same dosages seen to increase testosterone.
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How to TakeMedical Disclaimer
Recommended dosage, active amounts, other details
Rat studies investigating how bulbine natalensis interacts with testosterone note that 50mg/kg (of a 10:1 extraction) appear to be the optimal dosage, and based on Body Surface Area Conversions, this correlates into an estimated human dose of 8mg/kg or:
550mg for a 150lb person
730mg for a 200lb person
900mg for a 250lb person
These doses are currently only estimates, but they are within the range seen in the only industry funded trial on bulbine natalensis at this moment in time (which used 650mg). Doses would be 10-fold higher if the raw plant is used without any particular extraction.
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Human Effect Matrix
The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what effects bulbine natalensis has on your body, and how strong these effects are.
|Grade||Level of Evidence [show legend]|
|Robust research conducted with repeated double-blind clinical trials|
|Multiple studies where at least two are double-blind and placebo controlled|
|Single double-blind study or multiple cohort studies|
|Uncontrolled or observational studies only|
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
|-||- See study|
|-||- See study|
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