New warning for everyone using creatine. I know social media makes it sound like creatine is the healthiest supplement on the planet, but what nobody talks about is how most creatine is made. All of the creatine supplements on the market are made synthetically in a lab, not extracted from food. To synthesize creatine, they use synthetic petrochemicals and even industrial pesticides. Manufacturers combine two industrial chemicals, sarcosine and cyanamide, which come from coal, ammonia, and petrol