The estate could try under -
https://en.wikipedia.org/wiki/California_Celebrities_Rights_Act , but it would probably fail. I doubt it would be worth the money and effort.
Are there actually post-teens who see Trigili's ads and then go and order this shit? Serious question. The whole concept is absurd in this day and age. Is this a rebranded SERM company Trigili had?
Old School Labs is one of those smaller supplement companies that sell very basic products, your creatine, protein powers, multi-vitamins, etc..... Their pitch is just basic wholesome supplements. Before they started to move into younger bodybuilding, they advertised to Crossfit, Starting Strength, older fitness people, and those men's lifestyle type channels (The Art of Manliness).
Samir Bannout is probably their biggest pitch man.