Natrol® Alpha Lipoic Acid Dietary Supplement, 1 Bottle of 30 Teaching Aids Use with D Style Cylinders Ships via truck Use with D Style Cylinders * Attractive durable lightweight nylon construction * Shoulder strap is easy to adjust * Comes with carry pouch to carry personal items * Front fork provides additional support * 3 Years Limited Warranty * Shipping Carton Size: 12 L x 10 W x 6 H * Based on clinical scientific or engineering evidence this product may be suitable for individuals who: have a history of or at risk for skin soft tissue breakdown and or any category stage pressure injury (including deep tissue injury) skin grafts and or myocutaneous flap surgery 30 capsules per bottle The antioxidant effects might also be helpful in certain liver diseases