Valproic acid was first synthesized in 1882 by Beverly S. Burton as an analogue of valeric acid , found naturally in valerian .  Valproic acid is a carboxylic acid , a clear liquid at room temperature. For many decades, its only use was in laboratories as a "metabolically inert" solvent for organic compounds. In 1962, the French researcher Pierre Eymard serendipitously discovered the anticonvulsant properties of valproic acid while using it as a vehicle for a number of other compounds that were being screened for antiseizure activity. He found it prevented pentylenetetrazol -induced convulsions in laboratory rats .  It was approved as an antiepileptic drug in 1967 in France and has become the most widely prescribed antiepileptic drug worldwide.  Valproic acid has also been used for migraine prophylaxis and bipolar disorder. 
Oxandrolone LA Pharma (5 mg/tab) 50 tabs
It is derived from dihydrotestosterone, which, in turn, the second carbon atom is replaced with oxygen and the produced substance methylation in 17 position.
Oxandrolone received widespread primarily due to their properties, which manifest in a relatively small androgenic effect, at the same time combined with improved anabolic effect.
The main objective of the drug to bodybuilding - increased muscle mass in disorders that cause loss of it.
It is also used in medicine as an integral therapy for HIV / AIDS prevention and treatment of osteoporosis.
In 1989, because of the abuse of bodybuilding, production of the drug has been discontinued by the inventor, but after his release has been launched by other companies.
Over time, therefore, the drug was approved and certified for use.
Research in 1995 showed that the drug may be successfully used to reduce protein catabolism, anemia and angioedema.
To date, US drug recruited 3 categories of controlled substances.
Drug intake course for beginners is 2-3 weeks, after a brief pause, repeat if necessary.
For athletes and bodybuilders experienced professionals, the course can be 3-4 weeks.
Many famous bodybuilders, including Tom Platz, Brench Warren, Kevin Levrone advice on the expiry of the first year of taking the drug, and post-cycle therapy, you can repeat the course to consolidate the results. Therefore, the total time of taking the drug can vary from 4-8 weeks.
Unlike stanozolol where intervals effective doses of 50-100 mg per day for experienced athletes receiving the optimal dose of 50-150 mg recognized oxandrolone considered per day. This is mainly due to the softer structure of the drug, allowing little to increase the number of doses received.
Oxandrolone side effects
Despite the relatively harmless and unthreatening to the body structure, there are some contraindications, about taking the medication.
In particular, the technique based on oxandrolone not athletes who have an allergy to anabolic steroids, hypercalcemia, prostate cancer, breast cancer (as in female and male), pregnancy is recommended.
At higher doses are possible manifestations of the following side effects: Rare hepatic necrosis, jaundice, malaise and fatigue, nausea, bloating, menstrual disorders, hair loss.
At low doses, side effects may occur rarely and only slightly in the form of discomfort in the abdomen, diarrhea or nausea.