Non-Toxicity Score (NTS) is calculated on a 0-10 scale - higher is better. It measures the degree to which a product passes toxicity limit checks in Unbox Health's lab tests. This product's NTS was calculated using a combination of the following derived values - Lead Score: 1.00, Arsenic Score: 1.00, Cadmium Score: 1.00, Mercury Score: 1.00.