With identical bases stated for Siragal "M", it has been similarly formulated directed to the feminine organism.

The statistics indicate as a habitual appearance in women stages of preclimatery or climatery, the osteoporosis, dermal and varicose affections, tumaral malformations (mammary and uterine preponderantly), asthenias, arteroesclerosis, and decrease of the libido and/or of the sexual activity. Because of this, Siragal F has combined harmonically hydrolysates of natural protein base originating from the following organs and/or natural tissues (bovines) thymus, red cells, bone marrow, brain, muscle, placenta, renal, mammary, and ovary.

The results of its systematical ingestion are similar to the ones explained for Siragal "M".