Can Major League Baseball ban a natural substance that is required for humans to survive?

QUESTIONS PRESENTED 1. Can Major League Baseball ban a natural substance that is required for humans to survive? 2. Can Major League Baseball selectively enforce it’s banned substance policy to allow certain parties to consume, promote, distribute, and/or sponsor : the very same natural animal-derived product that they have represented to © courts, the media, and in their banned substance policy as prohibited? 3. Did the lower courts err in deciding that a natural substance, commonly found in all animal products, be considered a drug? 4. Can a union ban a similarly situated individual from meeting with or communicating with union members in public or private settings? 5. Did the lower courts err in not allowing a Pro Se Plaintiff the ability to amend his Complaint even a single time? 6. Did the Fifth Circuit err in sanctioning a Pro Se Plaintiff where he had the right to appeal and matters were not clear to the lower court?