Molecules of insulin circulating in the blood stream — Stock photos

"Molecules of insulin circulating in the blood stream" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1200 x 1600px, 1950 x 2600px, 3620 x 4827px. The minimum price for an image is 49$. Image in the highest quality is 3620 x 4827px, 300 dpi, and costs 449$.