SierraSil Joint Formula 14 reduces pain and stiffness and promotes active lifestyles by aiding the body’s natural anti-inflammatory response. The company is dedicated to helping 1 Million or more people lead healthier and more active lives. We value our customers and strive to be ethical and fair in our relationships. SierraSil Joint Formula 14 claims are supported by the gold standard in clinical evidence, including two internationally registered, multi-centered double-blind, placebo controlled trials, a human pilot study, a mechanism of action study, acute oral toxicity and sub-acute oral toxicity studies, as well as bio accessibility testing on every batch.