1. Human Blood – 1330$ per gallon
Nowadays many people donate blood, so you may ask why it is expensive since it is not so rare, well it is expensive due to the processing and storage, it is not that easy to store and keep blood ready for any transfusions whenever needed.
2. Mercury – 2960$ per gallon
Well mercury is one of the rarest metals on earth it is produced by cinnabar rock, it is used usually in laboratories, science and thermometers before, now we use digital ones cause mercury is so dangerous if it gets into the human body.
3. Insulin – 13,100$ per gallon
It is originally made by our pancreas, once ours it fails to produces it, we have to take human made insulin to replace the role of the pancreas, and it is not that easy to produce it.
4. CHANEL NO.5 – 23,300$ per gallon
CHANEL NO. 5 is a very popular perfume, especially for women,produced in 1922, it is expensive cause it components are so rare.
5. Horseshoe Crabs Blood – 53,250$ per gallon
Horseshoe crabs blood is so special, it doesn’t contain hemoglobin, blue and it fast response to bacterial toxins by clotting, and they set free those crabs after their blood has been drawn.
6. King Cobra Venom – 135,700$ per gallon
King cobra venom is so rare and effective, few drops of it could kill a fully grown elephant, it is so demanded in the production of some medicines that cure difficult diseases like Parkinson and schizophrenia.
7. Scorpion Venom – 38.6M$ per gallon
Scorpion’s venom is so useful in the medical uses, the venom contain a protein that cure some diseases, like arthritis, inflammatory bowel disease and some types of cancer. The reason why it is expensive 250 time comparing with the king cobra, to get one gallon it takes more than 2 million scorpion.