Solgar N 7 is the next generation alternative after glucosamine that increases mobility, flexibility, and range of motion in sensitive joints. In this breakthrough formulation, N 7 brings together bio-active nutrients that work to create a fast-acting approach for occasional ‘tweaks’ and joint stresses brought on by exercise, sport or physical activity. With increased mobility and flexibility, Solgar N 7 can help you to pursue the activities you love and get back on track…fast. Feel the difference for yourself. Solgar N 7 shows improvement in joint comfort…within 7 Days. Based on two human studies with 5-Loxin Advanced where subjects rated their joint health over time, the subject’s joint health improved within 7 days and continued to improve throughout the duration of the studies.