In the case of muscle function and eyelid tremors, certain nutrients play a key role in maintaining the health and functionality of muscles. Magnesium is an essential mineral that is involved in muscle contraction and relaxation. A deficiency in magnesium can result in muscle weakness, cramping, and spasms, including eyelid tremors. B vitamins, particularly B12, B6, and B9 (folate), are important for nerve function and help support proper muscle function. A deficiency in these vitamins can lead to muscle weakness, twitching, and tremors. If someone is experiencing eyelid tremors, it may be a sign of a nutritional deficiency, and they should consult with a healthcare provider for evaluation and possible treatment. In some cases, dietary changes or supplementation may be recommended to address the deficiency and improve muscle function, helping to alleviate the eyelid tremors.