Chia seeds are oval and gray with black and white spots, having a diameter around 2 millimeters (0.08 in). The seeds are high in fiber, which can help to lower high blood pressure and, in turn, reduce your risk of developing heart disease. Most of all, the tiny white and black seeds are great for you to lose weight and reduce belly fat. Rich in nutrients like vitamin A, vitamin C, iron and potassium can help boost skin luminosity and elasticity