Metformin improves blood sugar control in a few ways. It inhibits the conversion of lactate and glycerol to glucose, which reduces the production of glucose in the liver. It also reduces the absorption of glucose from the intestines and even alters the gut biome, improving blood sugar stability. Metformin increases the uptake of glucose by the body’s tissues, and it’s also been found beneficial for reducing inflammation, cancer, and depression. Metformin is taken by pill typically twice a day .