Contact Us Thank you for visiting our website. Please fill out the following form to request information about our products and services or to provide feedback about our site. When you are finished, click the 'Submit' button to send us your message. You will see a confirmation below. Hours of Operation: Monday–Friday, 9:00 a.m.–5:00 p.m. Contact us today at NLA in Granada Hills, California, for questions you may have about our vitamin supplements.