VEMO 99 Ltd is a Bulgarian manufacturer of high quality herbal and enzyme feed additives
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Tribulus terrestris


Characteristics of the plant Tribulus terrestris L.

Tribulus terrestris L. is a herbaceous perennial plant from the Zigophyllaceae family, with a lot of branching, forming flat patches long stems, common in stony places in the warm parts of the country. The researches about the main natural components in the plant – saponins, had been made in Bulgaria. Steroid saponins from furostanol and spirostanol types and sapogenins have been isolated. In the saponins mix, predominate the furostanol saponins protodioscin and protogracilin.
Flavonol glycosides like astragalin, tribuloside, rutin, tannic compounds and oils are also found. For Tribulus terrestris plant extract production we use the whole areal part of the plant (herba), harvested in the flowering period.

The plant

Tribulus terrestris grows well in moderate and tropical climates and the plant is most commonly found in wild, dry and stony habitats. That is why it thrives in the warmer regions of Bulgaria and here it accumulates a specific bouquet of natural components that are not present in Tribulus growing elsewhere in the world.
Еvеr ѕіnсе аnсіеnt tіmеѕ, thіѕ hеrbасеоuѕ рlаnt hаѕ bееn uѕеd tо ѕuрроrt ѕtrеngth аnd muѕсlе grоwth duе tо thе соntеnt оf specific natural components (furоѕtаnоl ѕароnіnѕ, flаvоnоіdѕ аnd tаnnіnѕ).*

The proprietary extract

The Tribulus terrestris extracts of Vemo 99 Ltd are obtained from the above-the-earth parts of the plant.
Vemo 99 Ltd offers two varieties of genuine Bulgarian Tribulus terrestris extract:

VemoHerb® PT – This superior standard of Tribulus terrestris extracts produced by VEMO 99 Ltd holds a wealth of natural components and can be standardized at three grades:

  • standardized at min 60% furostanol saponins determined as protodioscin;
  • standardized at min 45% furostanol saponins determined as protodioscin;
  • standardized at min 20% furostanol saponins determined as protodioscin and 60% total saponins.

VemoHerb® TS – dry extract standardized at total saponins, min 80% (from fruits or from herba).

VemoHerb® PT is a premium quality extract produced after over a dozen extractions from Bulgarian herbal material in extraction rate of 1:50 (that means we get 1 kg extract from 50 kg dry herb).

VemoHerb® PT is our superior standard that is one of the most effective, concentrated and purified Bulgarian Tribulus terrestris extracts currently on the market!*

The beneficial effect of the Bulgarian Tribulus extract is not only due to the content of protodioscin, but also because of the synergistic action of the specific furostanol saponins bouquet and all the other accompanying substances that modulate and amplify the effect of protodioscin.*

VemoHerb® PT extracts from Bulgarian Tribulus terrestris are much more concentrated and purified than the Asian extracts flooding the market nowadays.

As we are striving to satisfy the various market needs and demands, we offer VemoHerb® TS, manufactured by our unique know-how technology, targeting the total saponins, present in the extract. VemoHerb® TS can be manufactured from above-the-earth parts of the herb (herba), or from the fruits only.

VemoHerb® TS extracts standardized at 80% total saponins contain more natural components than similar extracts from Asian herb. This is because of the different phytochemistry of the Bulgarian herbal material, the saponins of VemoHerb® TS are of better quality and with significantly higher purity grade than the products of the competition.

Both VemoHerb® TS and VemoHerb® PT are utilized for sport supplementation. The extracts are suitable for inclusion in different food supplements, designed for supporting strength and muscle growth.*

The Tribulus terrestris plant is well known in the Bulgarian folklore. The phytochemistry of the Bulgarian Tribulus terrestris is unique, which determines not only the exclusive properties, but also the undeniable advantages when compared to Tribulus terrestris with foreign origin.*

All VemoHerb® extracts are produced from wild grown Bulgarian Tribulus terrestris plants.

Trade Name: VemoHerb® PT, VemoHerb® TS

Definition: Product from the aerial part of the plant Tribulus terrestris.

Characteristics: Light brown to brown amorphous powder, with specific odour.

Identification: A, B
A: furostanol saponins
B: total saponins

Testing for purity:
pH (10% solution): 3.0 to 5.0
Sulphated ash, %, not more than: 10.0
Heavy metals, %, not more than: 0.001
Loss on drying, %, not more than: 5.0

Content of natural components in VemoHerb® PT:
Tannic compounds, determined as tannin, based on dry substance, %, not more than: 10.0 or 5.0*
Flavonoids, determind as rutin, based on dry substance, %, not more than: 10.0 or 5.0*
Furostanol saponins, determined as protodioscin, based on dry substance, %, not less than: 45.0, 60.0, or 20.0 and 60% total saponins*
*Values depending on the grade

Content of natural components in VemoHerb® TS:
Total saponins, based on dry substance, %, not less than: 80.0

Control: The qualitative indices of the product are controlled in accordance to the company documentation, where assay methods and their validity concerning linearity and repetition are included.

Storage: Store in dry and cool places, away from direct sunlight.

Shelf life: 3 (three) years from the date of production.

Application: It is used alone or in combination with other plant extracts in production of food or feed additives.


*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.