Every food commercial, advertisement, and packaging in the US is currently protein obsessed. I just bought 3 burritos, and the most noticeable thing on the entire package is its protein content. TV commercials about waffles are advertising that they have X amount of protein per serving. The products in my jobsite’s vending machine have protein all over every package.
Did America have a protein thing recently?
If you need testosterone supplement, it would imply that you have low testosterone to begin with. Or that you just want more. But you are completely changing the meaning by changing “testosterone supplement” to a generalized “high testosterone”.