Lindsay Cook

3 weeks ago | health.com | Kirstyn Hill |Hannah Harper |Lindsay Cook

AlexanderFord / Getty Images Some people apply magnesium oil to their feet to help improve sleep and pain. While research supports the effectiveness of topical (on skin) applications of magnesium, no studies show that using magnesium on your feet can help. Potential Benefits Of Using Magnesium Oil on Your Feet Magnesium is a mineral that plays an important role in hundreds of body processes, like muscle contractions and blood pressure.