Longevity enthusiasts are buzzing after reports surfaced that Robert F. Kennedy Jr. may be a fan of methylene blue. President ...

A video of Robert F Kennedy Jr showing him adding a mysterious bright blue substance to his drink led to controversy and curiosity on social media ...

A capped 2-liter plastic bottle containing a clear, colorless liquid is shaken. The liquid turns a deep blue ... when the bottle is shaken and allowed to sit. OPTIONAL: Several bottles can be prepared ...