Scorpion venom is the most valuable liquid on Earth at nearly $9,000,000 per quart. Scientists study compounds in the venom to develop new painkillers and even “tumor paint” that helps surgeons see cancer cells more clearly.

Cobra venom costs about $25,000 per quart and is used to make antivenoms and to research drugs that target nerve pain.

Horseshoe crab blood is worth around $15,000 per quart because it contains a substance that clots instantly in the presence of bacteria. This property makes it vital for testing vaccines, IV drugs, and surgical implants, and it has also helped scientists understand the deadly condition known as sepsis.

Human blood plasma is valued at $5,00 to $6,000 per quart. It is processed into therapies for immune deficiencies and bleeding disorders, saving lives every day.

Pharmaceutical-grade insulin costs roughly $3,000 to $10,000 per quart. This life-saving hormone helps people with diabetes regulate blood sugar and stay healthy.

Behind the price tags lies a mix of rare biology, careful science, and the promise of better medicine.

Sources:
National Library of Medicine, PMC PubMed Central
World Health Organization – Snake Antivenoms |
U.S. Food & Drug Administration – Horseshoe Crab Blood and Endotoxin Testing |
Centers for Disease Control and Prevention – Plasma and Blood Products |
American Diabetes Association – Insulin Basics