Are there any commercial products rich in phosphate like in medicines or some food or any other thing

http://en.wikipedia.org/wiki/Phosphate_rich_organic_manure

Sources of organo-phosphates are pesticides and nerve gas.

I wouldn't recommend them as medicines and food

Well other organophosphates include DNA and RNA. I am pretty sure you have little choice in ingesting those . That being said typical diets are not limited (typical sources include milk, meat, legumes to name a few) and supplementation is generally only necessary in cases of certain diseases (but are available). The opposite is sometimes necessary (i.e. phosphate limitation).

If you are looking for a source of phosphate you may not need to buy it,

At least for adults (who are not producing new bones) most of the phosphate in your diet ends up in the urine.