Taurine is an organic acid present in animal tissues that makes up 0.1% of human body weight. It is not technically an amino acid but is often referred to as one. Taurine levels decline with age, obesity, and diabetes, and diets lacking animal products are deficient in taurine. Taurine has a wide array of benefits including regulating heart function, improving blood sugar control, aiding weight loss, reducing cardiovascular disease risk, improving exercise performance, and supporting liver and brain health. The document recommends including taurine in paleo protein products due to its many health benefits.