The history of Tribestan is closely connected with Bulgarian phytochemical research. The historical source library presents a long development story, and a Sopharma historical document adds concrete milestones and documentary reproductions.

Bulgarian pharmaceutical researcher associated with the documented development history of Tribestan.
Assoc. Prof. Margarita Tomova, Pharm.D.
The historical Sopharma document identifies Margarita Tomova as a pharmaceutical researcher who worked for more than 20 years on the creation of Tribestan and led implementation of the product at the Sofia chemical-pharmaceutical complex.
The document states that she led a laboratory for natural steroids and had more than 60 scientific publications.
Key documented milestones
Early author certificate
The historical document records an early author certificate for the TB-68 preparation for veterinary medicine.
Method for obtaining a product from Tribulus terrestris
The document records an author certificate for a method of obtaining a product from the aerial parts of Tribulus terrestris L. that stimulates the sexual system.
Production implementation and trademark registration
The document states that implementation of the production technology was nearing completion and reproduces a trademark registration dated 26 May 1981.
Clinical and analytical documentation
The documented source collection preserves clinical summaries, company documentation, historical charts and comparative materials.
Authentic historical reproductions
First-production package
Enhanced visual reconstruction based on the archived source. The original scan remains available in the historical document guide.
Registration dated 26 May 1981
Archival reproduction from the historical document.
First promotional materials
Preserved as historical context.
Read the source guide
The separate document guide summarizes the historical source and provides access to the uploaded PDF reproduction.
Open the 1981 historical document guide →
Editorial note: historical materials are labelled clearly and kept separate from current product instructions.