Dietary Supplement. No. 1 Pharmacist recommended brand (based on the results of the Pharmacy Times Survey among pharmacists who recommend a bone/joint strengthener dietary supplement, 2016-2017). Triple strength (refers to level of key ingredients in each individual tablet). Shows improved joint comfort within 7 days! Glucosamine and MSM with joint shield. 2 per day. Free of gluten. Start feeling the difference in your joint comfort in just 7 days with the power of Joint Shield (based on two human studies with 5-loxin advanced where subjects rated their joint health over time, subjects' joint health improved within 7 days, and continued to improve throughout the duration of the studies)!