Anyone trying to sell FDA controlled substances in the US needs FDA approval. In case of insulin the problem is that currently it's a mess, supply is low, dema

Anyone trying to sell FDA controlled substances in the US needs FDA approval. In case of insulin the problem is that currently it's a mess, supply is low, demand is high, so price is high too. https://care.diabetesjournals.org/content/41/6/1299 https://care.diabetesjournals.org/content/41/6/1299