Nutrex is a vitamin and supplement brand that specializes in sports nutrition. This product is made from various ingredients such as vitamins, minerals, protein, and other supplements. This brand has a variety of supplements that are for different purposes such as sleep, weight-loss, and energy. Nutrex also has a brand that specializes in weight-gain supplements. Nutrex has been around for about 15 years and has been a leader in the industry. They have numerous products such as one for women and another one for men. It was said by health experts that Nutrex is an up and coming supplement company with many different products to offer their customers. Nutrex is a vitamin and supplement company with many products for different purposes such as energy, sleep, and weight-loss. They have been around for about 15 years and has been a leader in the industry. It was said by health experts that Nutrex is an up and coming company with many different products to offer their customers.