Buckwheat honey is a highly nutritious honey made by bees that collect nectar from buckwheat flowers. The main benefits of buckwheat honey are that it promotes healing in the body, supports immune function and increases antioxidants. It is also ideal for soothing sore throats and coughing. Some people even use honey as part of their skin care regimen. It has also been discovered that buckwheat honey helps keep blood sugar levels low for people with diabetes.