Natural Treatment for Myasthenia Gravis may also be effective in treats the condition. Herbal Supplement used to treat or reduce the Symptoms of Myasthenia Gravis. Herbal Supplement for Eye Health promotes eyesight health and well-being while strengthening eye-movement muscles. You should also seek Natural Treatment for Myasthenia Gravis if your illness interferes with your swallowing or breathing, as these are very serious symptoms.