Dietary Supplement. 79% Smaller Pill†. Feel significant improvement joint discomfort in just days^*. Soothes achy joints and improves joint function by 19%^*. Cushions sore joints with just one small pill per day* No artificial colors, flavors, preservatives, wheat, gluten, soy, dairy, yeast free. ^In a 12 week multi-center, randomized, double-blind, placebo-controlled study of 60 adults, subjects taking 250mg/day of the GNC TriFlex™ Fast-Acting Comfort Blend showed a significant 29.8% improvement in joint flexibility and a 19.4% improvement in joint function in 30 days compared to subjects on placebo. †Compared to a leading brand. ** Aca.