The products themselves have had a noticeable positive result for my mind and body, and I will certainly continue to be a customer of Nature's Lab. Equally positive is the customer service, as it is so easy to order and receive the products. The website is easy to navigate with products almost always in stock (when a vitamin/supplement is out of stock, I am attributing it to customer demand. Orders are shipped swiftly, and even way up north in a smaller town, I get my order quickly. Keep it up Nature's Lab, I will always be your customer. Finally, I highly recommend the Immunity Plus product.