Thought To Have Libido And Testosterone Boosting Benefits But Does Bulbine Natalensis Actually Work?
Bulbine Natalensis is a natural herb that originates from the South and South Eastern parts of Africa. It has long been used in traditional medicines as an aphrodisiac, and is currently being studied with experts looking at its testosterone boosting affects.
Bulbine Natalensis is also known as Ibhucu, Rooiwortel and Ingcelwane.
In supplement form it is sometimes called Prolensis
Clinical studies on Rats have allowed experts to determine the corresponding dose for humans… it is estimated that an effective dose is in the region of 8mg per kilo…
- 550mg for a 150lb person
- 730mg for a 200lb person
The Sources And Composition Of Bulbine Natalensis
An extract taken from the plant family Asphodelaceae..( the same family as Aloe Vera) the extract can be taken from both the Sap and the leaves. it can be used to treat diarrhoea, vomiting and convulsions, it is also considered to be anti-rheumatic and anti-diabetic.
As a herbal compound, Bulbine Natalensis contains several classes of compounds:
- Tannins 0.152%
- Saponins 1.97%
- Anthraquinones 0.152%
- Alkaloids 0.2%
- Cardiac Glycosides 0.887%
Uses Of Bulbine Natalensis
The most common use of Bulbine Natalensis is as an aphrodisiac in traditional medicines, it is now starting to appear in some male health supplements, generally those aimed at boosting libido and testosterone levels.
Clinical Trials Involving Bulbine Natalensis
There have been numerous trials looking at the effects of Bulbine Natalensis on its ability to increase Testosterone, Lueinizing hormone as well as its interactions with Progesterone, Estrogen and Prolactin.
With the exemption of one trial that was carried out on Human test subjects, all other trials have been carried out on Rats.
The Human Trial only looked at the short term safety of Bulbine Natalensis supplementation in men.. the study, (published in the Journal Of The International Society Of Sports Supplementation) was carried out at the Center For Applied Health Sciences in Stow, Ohio.
It involved 36 healthy men of undisclosed ages, they took two daily doses of 325mg every day for 28 days.. the results recorded no adverse actions at those doses, and the ingredient was concluded to be generally safe for humans.
Another study carried out in 2010 looked at the androgenic ( testosterone boosting) affects of Bulbine Natalensis.
It was carried out at the Center for Phtyomedicine at the university of Fort Hare, South Africa.
Over 14 days, Wistar Rats were given variable doses of Bulbine Natalensis in 0.5ml of distilled water, the doses ranged between 25mg/kg of body weight to 100mg/kg.
The results were encouraging – The testicular and serum testosterone concentration were increased except in the 100 mg/kg body weight where the effect on the tissue and serum hormone did not manifest until after the first and seven daily doses respectively. From 1ng/mL , 50 mg/kg treatment showed: 3.3ng/mL (day 1), 4.2ng/mL (day 7), and 4.4ng/mL (day 14).
The results and conclusion indicate anabolic and androgenic activities of Bulbine natalensis stem in male rat testes with the 50 mg/kg body weight of the extract exhibiting the highest anabolizing and androgenic activities.
These activities further support the folkloric use of the plant most especially at 50 mg/kg body weight in the management of male sexual dysfunction in South Africa.
Reported Side Effects
There are some concerns about the affects of Bulbine Natalensis on both the Liver and Kidney’s
The same university studied these effects and concluded that doses of 50 and 100mg/kg could cause adverse affects and selective toxicity in both the renal and hepatic functions.
Bulbine Natalensis is thought to be very similar in its actions to anabolic steroids.. it could well have similar effects and side effects on the body and should without any doubt be cycled in a similar manner.
It can be found in some testosterone boosting supplements under the name ‘Prolensis’
Although Bulbine Natalensis has showed that overall it is considered safe for human use and that in test rats it has shown testosterone boosting properties.. there is the chance that it could possibly cause toxicity problems with the liver and kidneys….
With these facts in mind we feel that more in depth testing on humans is required before recommending it as a viable supplement ingredient….
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